RARA

Existing Annotations Review

GO Term	Evidence	Action	Reason
GO:0000122 negative regulation of transcription by RNA polymerase II	IBA GO_REF:0000033	ACCEPT	Summary: Supported core repressive mode of RARA-mediated RNA polymerase II transcription regulation. Reason: RARA-RXR can repress RNA polymerase II transcription through DNA-bound corepressor complexes in the absence of ligand. Supporting Evidence: file:human/RARA/RARA-deep-research-falcon.md RARα/RXR complexes bound to RAREs recruit NCoR/SMRT corepressors linked to HDAC activity, supporting a mechanistic basis for ligand-modulated transcriptional repression. file:human/RARA/RARA-deep-research-falcon.md RARα supports a canonical nuclear-receptor cofactor “switch” mechanism: in the absence of ligand, RARα/RXR bound on DNA recruits corepressors such as NCoR/SMRT that are associated with histone deacetylase (HDAC) activity and transcriptional repression; upon retinoid agonist binding, ligand-induced conformational changes (notably involving AF-2/helix 12 in the ligand-binding domain) destabilize corepressor binding and favor recruitment of coactivators (e.g., p160/SRC family, CBP/p300, Mediator/DRIP/TRAP components), enabling transcriptional activation of retinoid-responsive genes.
GO:0004879 nuclear receptor activity	IBA GO_REF:0000033	ACCEPT	Summary: Core molecular function: RARA is a retinoic-acid-binding nuclear receptor transcription factor. Reason: Nuclear receptor activity is the central molecular function of RARA, integrating retinoid ligand binding, RXR heterodimerization, RARE binding, and transcriptional regulation. Supporting Evidence: file:human/RARA/RARA-deep-research-falcon.md RARA encodes RARα, a ligand-activated nuclear receptor that functions as a sequence-specific DNA-binding transcription factor. RARα typically acts as a heterodimer with retinoid X receptor (RXR) on retinoic acid response elements (RAREs), classically composed of direct repeats of the hexamer PuG(G/T)TCA spaced by 1–5 bp (e.g., DR5, DR2, DR1). file:human/RARA/RARA-deep-research-falcon.md RARα supports a canonical nuclear-receptor cofactor “switch” mechanism: in the absence of ligand, RARα/RXR bound on DNA recruits corepressors such as NCoR/SMRT that are associated with histone deacetylase (HDAC) activity and transcriptional repression; upon retinoid agonist binding, ligand-induced conformational changes (notably involving AF-2/helix 12 in the ligand-binding domain) destabilize corepressor binding and favor recruitment of coactivators (e.g., p160/SRC family, CBP/p300, Mediator/DRIP/TRAP components), enabling transcriptional activation of retinoid-responsive genes.
GO:0005634 nucleus	IBA GO_REF:0000033	ACCEPT	Summary: Core nuclear localization for the RARA transcription factor. Reason: RARA is primarily a nuclear transcription factor whose direct function occurs at nuclear response elements. Supporting Evidence: file:human/RARA/RARA-deep-research-falcon.md RARα is primarily described as nuclear and chromatin-associated through binding to promoter/enhancer RAREs; nucleosomes do not necessarily preclude binding. file:human/RARA/RARA-deep-research-falcon.md RARA encodes RARα, a ligand-activated nuclear receptor that functions as a sequence-specific DNA-binding transcription factor.
GO:0030154 cell differentiation	IBA GO_REF:0000033	KEEP AS NON CORE	Summary: Supported developmental or differentiation role, but downstream and context-dependent relative to core RARA transcriptional regulation. Reason: RARA-dependent retinoid signaling influences differentiation and development, but these are downstream programs and should not be treated as the core molecular function. Supporting Evidence: file:human/RARA/RARA-deep-research-falcon.md many transcriptomic or phenotypic outcomes in RA-treated cells reflect indirect downstream programs (e.g., differentiation cascades) rather than direct RARα DNA binding; IDA evidence for MF/CC (structure, EMSA, cofactor recruitment assays) is stronger than broad BP assertions unless direct targets are shown. PMID:19917671 These studies demonstrate, for the first time, that RA couples G(1) arrest to transcriptional control of cancer cell differentiation by suppressing CAK phosphorylation of RARalpha to release transcriptional repression.
GO:0045944 positive regulation of transcription by RNA polymerase II	IBA GO_REF:0000033	ACCEPT	Summary: Supported core activating mode of RARA-mediated RNA polymerase II transcription regulation. Reason: Ligand-bound RARA-RXR recruits coactivators and activates retinoid-responsive RNA polymerase II target genes. Supporting Evidence: file:human/RARA/RARA-deep-research-falcon.md Ligand binding can drive coactivator recruitment to RARα complexes. file:human/RARA/RARA-deep-research-falcon.md RARα supports a canonical nuclear-receptor cofactor “switch” mechanism: in the absence of ligand, RARα/RXR bound on DNA recruits corepressors such as NCoR/SMRT that are associated with histone deacetylase (HDAC) activity and transcriptional repression; upon retinoid agonist binding, ligand-induced conformational changes (notably involving AF-2/helix 12 in the ligand-binding domain) destabilize corepressor binding and favor recruitment of coactivators (e.g., p160/SRC family, CBP/p300, Mediator/DRIP/TRAP components), enabling transcriptional activation of retinoid-responsive genes. file:human/RARA/RARA-deep-research-falcon.md RARα is a core effector of retinoic acid signaling, transducing ligand binding into activation or repression of RA-responsive transcriptional programs.
GO:0090575 RNA polymerase II transcription regulator complex	IBA GO_REF:0000033	ACCEPT	Summary: Supported transcription regulator complex annotation for RARA-RXR/cofactor assemblies. Reason: RARA functions in RNA polymerase II transcription-regulator complexes with RXR and ligand-dependent coregulators. Supporting Evidence: file:human/RARA/RARA-deep-research-falcon.md RARα supports a canonical nuclear-receptor cofactor “switch” mechanism: in the absence of ligand, RARα/RXR bound on DNA recruits corepressors such as NCoR/SMRT that are associated with histone deacetylase (HDAC) activity and transcriptional repression; upon retinoid agonist binding, ligand-induced conformational changes (notably involving AF-2/helix 12 in the ligand-binding domain) destabilize corepressor binding and favor recruitment of coactivators (e.g., p160/SRC family, CBP/p300, Mediator/DRIP/TRAP components), enabling transcriptional activation of retinoid-responsive genes. file:human/RARA/RARA-uniprot.txt ComplexPortal; CPX-508; RXRalpha-RARalpha retinoic acid receptor complex.
GO:0000978 RNA polymerase II cis-regulatory region sequence-specific DNA binding	IBA GO_REF:0000033	ACCEPT	Summary: Core sequence-specific DNA/RARE binding function of the RARA-RXR transcription factor complex. Reason: RARA binds retinoic acid response elements, primarily as an RXR heterodimer, and this DNA binding is central to its transcriptional regulatory function. Supporting Evidence: file:human/RARA/RARA-deep-research-falcon.md RARA encodes RARα, a ligand-activated nuclear receptor that functions as a sequence-specific DNA-binding transcription factor. RARα typically acts as a heterodimer with retinoid X receptor (RXR) on retinoic acid response elements (RAREs), classically composed of direct repeats of the hexamer PuG(G/T)TCA spaced by 1–5 bp (e.g., DR5, DR2, DR1). file:human/RARA/RARA-deep-research-falcon.md RARα binds RAREs primarily as an RXR heterodimer. Structural and biochemical evidence includes a 1.7 Å crystal structure of RXR and RAR DNA-binding domains (DBDs) assembled on a DR1 element that shows RAR bound to the upstream (5′) half-site and RXR bound downstream (3′), i.e., reverse polarity compared with other RXR heterodimers.
GO:0048384 retinoic acid receptor signaling pathway	IBA GO_REF:0000033	ACCEPT	Summary: Core biological process: RARA mediates retinoic acid receptor signaling through ligand-dependent transcriptional regulation. Reason: Retinoic acid receptor signaling is the direct pathway in which RARA transduces retinoid ligand binding into RARE-bound transcriptional regulation. Supporting Evidence: file:human/RARA/RARA-deep-research-falcon.md RARA encodes RARα, a ligand-activated nuclear receptor that functions as a sequence-specific DNA-binding transcription factor. RARα typically acts as a heterodimer with retinoid X receptor (RXR) on retinoic acid response elements (RAREs), classically composed of direct repeats of the hexamer PuG(G/T)TCA spaced by 1–5 bp (e.g., DR5, DR2, DR1). file:human/RARA/RARA-deep-research-falcon.md RARα is a core effector of retinoic acid signaling, transducing ligand binding into activation or repression of RA-responsive transcriptional programs.
GO:0003677 DNA binding	IEA GO_REF:0000120	MODIFY	Summary: The generic DNA-binding term should be replaced by RARA-specific RARE/RNA polymerase II cis-regulatory DNA-binding terms. Reason: RARA is not just a generic DNA-binding protein; the supported activity is sequence-specific binding to RAREs and RNA polymerase II cis-regulatory regions. Proposed replacements: retinoic acid-responsive element binding RNA polymerase II cis-regulatory region sequence-specific DNA binding Supporting Evidence: file:human/RARA/RARA-deep-research-falcon.md RARA encodes RARα, a ligand-activated nuclear receptor that functions as a sequence-specific DNA-binding transcription factor. RARα typically acts as a heterodimer with retinoid X receptor (RXR) on retinoic acid response elements (RAREs), classically composed of direct repeats of the hexamer PuG(G/T)TCA spaced by 1–5 bp (e.g., DR5, DR2, DR1). file:human/RARA/RARA-deep-research-falcon.md RARα binds RAREs primarily as an RXR heterodimer. Structural and biochemical evidence includes a 1.7 Å crystal structure of RXR and RAR DNA-binding domains (DBDs) assembled on a DR1 element that shows RAR bound to the upstream (5′) half-site and RXR bound downstream (3′), i.e., reverse polarity compared with other RXR heterodimers.
GO:0003700 DNA-binding transcription factor activity	IEA GO_REF:0000120	MODIFY	Summary: The generic DNA-binding transcription factor term should be narrowed to RARA nuclear receptor/RNA polymerase II transcription factor activity. Reason: RARA is a ligand-activated nuclear receptor and RNA polymerase II transcription factor. The replacement terms capture the specific transcription-factor class and regulatory target. Proposed replacements: nuclear receptor activity DNA-binding transcription factor activity, RNA polymerase II-specific Supporting Evidence: file:human/RARA/RARA-deep-research-falcon.md RARA encodes RARα, a ligand-activated nuclear receptor that functions as a sequence-specific DNA-binding transcription factor. file:human/RARA/RARA-deep-research-falcon.md RARα supports a canonical nuclear-receptor cofactor “switch” mechanism: in the absence of ligand, RARα/RXR bound on DNA recruits corepressors such as NCoR/SMRT that are associated with histone deacetylase (HDAC) activity and transcriptional repression; upon retinoid agonist binding, ligand-induced conformational changes (notably involving AF-2/helix 12 in the ligand-binding domain) destabilize corepressor binding and favor recruitment of coactivators (e.g., p160/SRC family, CBP/p300, Mediator/DRIP/TRAP components), enabling transcriptional activation of retinoid-responsive genes.
GO:0004879 nuclear receptor activity	IEA GO_REF:0000120	ACCEPT	Summary: Core molecular function: RARA is a retinoic-acid-binding nuclear receptor transcription factor. Reason: Nuclear receptor activity is the central molecular function of RARA, integrating retinoid ligand binding, RXR heterodimerization, RARE binding, and transcriptional regulation. Supporting Evidence: file:human/RARA/RARA-deep-research-falcon.md RARA encodes RARα, a ligand-activated nuclear receptor that functions as a sequence-specific DNA-binding transcription factor. RARα typically acts as a heterodimer with retinoid X receptor (RXR) on retinoic acid response elements (RAREs), classically composed of direct repeats of the hexamer PuG(G/T)TCA spaced by 1–5 bp (e.g., DR5, DR2, DR1). file:human/RARA/RARA-deep-research-falcon.md RARα supports a canonical nuclear-receptor cofactor “switch” mechanism: in the absence of ligand, RARα/RXR bound on DNA recruits corepressors such as NCoR/SMRT that are associated with histone deacetylase (HDAC) activity and transcriptional repression; upon retinoid agonist binding, ligand-induced conformational changes (notably involving AF-2/helix 12 in the ligand-binding domain) destabilize corepressor binding and favor recruitment of coactivators (e.g., p160/SRC family, CBP/p300, Mediator/DRIP/TRAP components), enabling transcriptional activation of retinoid-responsive genes.
GO:0005634 nucleus	IEA GO_REF:0000120	ACCEPT	Summary: Core nuclear localization for the RARA transcription factor. Reason: RARA is primarily a nuclear transcription factor whose direct function occurs at nuclear response elements. Supporting Evidence: file:human/RARA/RARA-deep-research-falcon.md RARα is primarily described as nuclear and chromatin-associated through binding to promoter/enhancer RAREs; nucleosomes do not necessarily preclude binding. file:human/RARA/RARA-deep-research-falcon.md RARA encodes RARα, a ligand-activated nuclear receptor that functions as a sequence-specific DNA-binding transcription factor.
GO:0005654 nucleoplasm	IEA GO_REF:0000117	KEEP AS NON CORE	Summary: Supported nuclear subcompartment localization, but nucleoplasm is less informative than nucleus/chromatin for the core function. Reason: Nucleoplasm localization is compatible with RARA biology, but the curatable core location is nuclear/chromatin-associated transcription factor activity. Supporting Evidence: file:human/RARA/RARA-deep-research-falcon.md RARα is primarily described as nuclear and chromatin-associated through binding to promoter/enhancer RAREs; nucleosomes do not necessarily preclude binding.
GO:0005737 cytoplasm	IEA GO_REF:0000120	KEEP AS NON CORE	Summary: Supported or plausible cytoplasmic/perinuclear pool, but non-core relative to nuclear/chromatin transcriptional regulation. Reason: RARA can have cytoplasmic or regulated translocation pools, but direct GO-core function occurs as a nuclear/chromatin-associated transcription factor. Supporting Evidence: file:human/RARA/RARA-deep-research-falcon.md RARα is primarily described as nuclear and chromatin-associated through binding to promoter/enhancer RAREs; nucleosomes do not necessarily preclude binding.
GO:0006355 regulation of DNA-templated transcription	IEA GO_REF:0000002	MODIFY	Summary: The generic regulation of DNA-templated transcription term should be narrowed to RARA RNA polymerase II transcription regulation. Reason: RARA directly regulates RNA polymerase II target genes through ligand-dependent activation and unliganded repression; the parent term is less informative. Proposed replacements: positive regulation of transcription by RNA polymerase II negative regulation of transcription by RNA polymerase II Supporting Evidence: file:human/RARA/RARA-deep-research-falcon.md RARα supports a canonical nuclear-receptor cofactor “switch” mechanism: in the absence of ligand, RARα/RXR bound on DNA recruits corepressors such as NCoR/SMRT that are associated with histone deacetylase (HDAC) activity and transcriptional repression; upon retinoid agonist binding, ligand-induced conformational changes (notably involving AF-2/helix 12 in the ligand-binding domain) destabilize corepressor binding and favor recruitment of coactivators (e.g., p160/SRC family, CBP/p300, Mediator/DRIP/TRAP components), enabling transcriptional activation of retinoid-responsive genes. file:human/RARA/RARA-deep-research-falcon.md RARα is a core effector of retinoic acid signaling, transducing ligand binding into activation or repression of RA-responsive transcriptional programs.
GO:0008270 zinc ion binding	IEA GO_REF:0000120	KEEP AS NON CORE	Summary: Zinc ion binding is valid for the nuclear receptor DNA-binding domain but non-core relative to receptor/DNA-binding activity. Reason: RARA has a zinc-finger DNA-binding domain, but zinc binding is a structural feature rather than the core curatable function. Supporting Evidence: file:human/RARA/RARA-deep-research-falcon.md RARA encodes RARα, a ligand-activated nuclear receptor that functions as a sequence-specific DNA-binding transcription factor. RARα typically acts as a heterodimer with retinoid X receptor (RXR) on retinoic acid response elements (RAREs), classically composed of direct repeats of the hexamer PuG(G/T)TCA spaced by 1–5 bp (e.g., DR5, DR2, DR1). file:human/RARA/RARA-deep-research-falcon.md RARα binds RAREs primarily as an RXR heterodimer. Structural and biochemical evidence includes a 1.7 Å crystal structure of RXR and RAR DNA-binding domains (DBDs) assembled on a DR1 element that shows RAR bound to the upstream (5′) half-site and RXR bound downstream (3′), i.e., reverse polarity compared with other RXR heterodimers.
GO:0043565 sequence-specific DNA binding	IEA GO_REF:0000120	ACCEPT	Summary: Core sequence-specific DNA/RARE binding function of the RARA-RXR transcription factor complex. Reason: RARA binds retinoic acid response elements, primarily as an RXR heterodimer, and this DNA binding is central to its transcriptional regulatory function. Supporting Evidence: file:human/RARA/RARA-deep-research-falcon.md RARA encodes RARα, a ligand-activated nuclear receptor that functions as a sequence-specific DNA-binding transcription factor. RARα typically acts as a heterodimer with retinoid X receptor (RXR) on retinoic acid response elements (RAREs), classically composed of direct repeats of the hexamer PuG(G/T)TCA spaced by 1–5 bp (e.g., DR5, DR2, DR1). file:human/RARA/RARA-deep-research-falcon.md RARα binds RAREs primarily as an RXR heterodimer. Structural and biochemical evidence includes a 1.7 Å crystal structure of RXR and RAR DNA-binding domains (DBDs) assembled on a DR1 element that shows RAR bound to the upstream (5′) half-site and RXR bound downstream (3′), i.e., reverse polarity compared with other RXR heterodimers.
GO:0046872 metal ion binding	IEA GO_REF:0000043	MODIFY	Summary: The generic metal ion binding term should be narrowed to zinc ion binding. Reason: The relevant metal-binding biology is the zinc-finger DNA-binding domain of a nuclear receptor. Proposed replacements: zinc ion binding Supporting Evidence: file:human/RARA/RARA-deep-research-falcon.md RARA encodes RARα, a ligand-activated nuclear receptor that functions as a sequence-specific DNA-binding transcription factor. RARα typically acts as a heterodimer with retinoid X receptor (RXR) on retinoic acid response elements (RAREs), classically composed of direct repeats of the hexamer PuG(G/T)TCA spaced by 1–5 bp (e.g., DR5, DR2, DR1). file:human/RARA/RARA-deep-research-falcon.md RARα binds RAREs primarily as an RXR heterodimer. Structural and biochemical evidence includes a 1.7 Å crystal structure of RXR and RAR DNA-binding domains (DBDs) assembled on a DR1 element that shows RAR bound to the upstream (5′) half-site and RXR bound downstream (3′), i.e., reverse polarity compared with other RXR heterodimers.
GO:0048384 retinoic acid receptor signaling pathway	IEA GO_REF:0000002	ACCEPT	Summary: Core biological process: RARA mediates retinoic acid receptor signaling through ligand-dependent transcriptional regulation. Reason: Retinoic acid receptor signaling is the direct pathway in which RARA transduces retinoid ligand binding into RARE-bound transcriptional regulation. Supporting Evidence: file:human/RARA/RARA-deep-research-falcon.md RARA encodes RARα, a ligand-activated nuclear receptor that functions as a sequence-specific DNA-binding transcription factor. RARα typically acts as a heterodimer with retinoid X receptor (RXR) on retinoic acid response elements (RAREs), classically composed of direct repeats of the hexamer PuG(G/T)TCA spaced by 1–5 bp (e.g., DR5, DR2, DR1). file:human/RARA/RARA-deep-research-falcon.md RARα is a core effector of retinoic acid signaling, transducing ligand binding into activation or repression of RA-responsive transcriptional programs.
GO:1990837 sequence-specific double-stranded DNA binding	IEA GO_REF:0000117	ACCEPT	Summary: Core sequence-specific DNA/RARE binding function of the RARA-RXR transcription factor complex. Reason: RARA binds retinoic acid response elements, primarily as an RXR heterodimer, and this DNA binding is central to its transcriptional regulatory function. Supporting Evidence: file:human/RARA/RARA-deep-research-falcon.md RARA encodes RARα, a ligand-activated nuclear receptor that functions as a sequence-specific DNA-binding transcription factor. RARα typically acts as a heterodimer with retinoid X receptor (RXR) on retinoic acid response elements (RAREs), classically composed of direct repeats of the hexamer PuG(G/T)TCA spaced by 1–5 bp (e.g., DR5, DR2, DR1). file:human/RARA/RARA-deep-research-falcon.md RARα binds RAREs primarily as an RXR heterodimer. Structural and biochemical evidence includes a 1.7 Å crystal structure of RXR and RAR DNA-binding domains (DBDs) assembled on a DR1 element that shows RAR bound to the upstream (5′) half-site and RXR bound downstream (3′), i.e., reverse polarity compared with other RXR heterodimers.
GO:0005515 protein binding	IPI PMID:10698945 Structure of the RXR-RAR DNA-binding complex on the retinoic...	MARK AS OVER ANNOTATED	Summary: Protein binding is an uninformative over-annotation for RARA. Reason: RARA has many documented interactions with RXR, coactivators, corepressors, kinases, and disease-associated partners, but GO:0005515 does not describe the functional mechanism. More informative terms cover nuclear receptor activity, RARE binding, transcription regulator complexes, and specific cofactor binding. Supporting Evidence: file:human/RARA/RARA-deep-research-falcon.md RARα supports a canonical nuclear-receptor cofactor “switch” mechanism: in the absence of ligand, RARα/RXR bound on DNA recruits corepressors such as NCoR/SMRT that are associated with histone deacetylase (HDAC) activity and transcriptional repression; upon retinoid agonist binding, ligand-induced conformational changes (notably involving AF-2/helix 12 in the ligand-binding domain) destabilize corepressor binding and favor recruitment of coactivators (e.g., p160/SRC family, CBP/p300, Mediator/DRIP/TRAP components), enabling transcriptional activation of retinoid-responsive genes. file:human/RARA/RARA-deep-research-falcon.md RARA encodes RARα, a ligand-activated nuclear receptor that functions as a sequence-specific DNA-binding transcription factor. RARα typically acts as a heterodimer with retinoid X receptor (RXR) on retinoic acid response elements (RAREs), classically composed of direct repeats of the hexamer PuG(G/T)TCA spaced by 1–5 bp (e.g., DR5, DR2, DR1).
GO:0005515 protein binding	IPI PMID:16189514 Towards a proteome-scale map of the human protein-protein in...	MARK AS OVER ANNOTATED	Summary: Protein binding is an uninformative over-annotation for RARA. Reason: RARA has many documented interactions with RXR, coactivators, corepressors, kinases, and disease-associated partners, but GO:0005515 does not describe the functional mechanism. More informative terms cover nuclear receptor activity, RARE binding, transcription regulator complexes, and specific cofactor binding. Supporting Evidence: file:human/RARA/RARA-deep-research-falcon.md RARα supports a canonical nuclear-receptor cofactor “switch” mechanism: in the absence of ligand, RARα/RXR bound on DNA recruits corepressors such as NCoR/SMRT that are associated with histone deacetylase (HDAC) activity and transcriptional repression; upon retinoid agonist binding, ligand-induced conformational changes (notably involving AF-2/helix 12 in the ligand-binding domain) destabilize corepressor binding and favor recruitment of coactivators (e.g., p160/SRC family, CBP/p300, Mediator/DRIP/TRAP components), enabling transcriptional activation of retinoid-responsive genes. file:human/RARA/RARA-deep-research-falcon.md RARA encodes RARα, a ligand-activated nuclear receptor that functions as a sequence-specific DNA-binding transcription factor. RARα typically acts as a heterodimer with retinoid X receptor (RXR) on retinoic acid response elements (RAREs), classically composed of direct repeats of the hexamer PuG(G/T)TCA spaced by 1–5 bp (e.g., DR5, DR2, DR1).
GO:0005515 protein binding	IPI PMID:16456540 P38MAPK-dependent phosphorylation and degradation of SRC-3/A...	MARK AS OVER ANNOTATED	Summary: Protein binding is an uninformative over-annotation for RARA. Reason: RARA has many documented interactions with RXR, coactivators, corepressors, kinases, and disease-associated partners, but GO:0005515 does not describe the functional mechanism. More informative terms cover nuclear receptor activity, RARE binding, transcription regulator complexes, and specific cofactor binding. Supporting Evidence: file:human/RARA/RARA-deep-research-falcon.md RARα supports a canonical nuclear-receptor cofactor “switch” mechanism: in the absence of ligand, RARα/RXR bound on DNA recruits corepressors such as NCoR/SMRT that are associated with histone deacetylase (HDAC) activity and transcriptional repression; upon retinoid agonist binding, ligand-induced conformational changes (notably involving AF-2/helix 12 in the ligand-binding domain) destabilize corepressor binding and favor recruitment of coactivators (e.g., p160/SRC family, CBP/p300, Mediator/DRIP/TRAP components), enabling transcriptional activation of retinoid-responsive genes. file:human/RARA/RARA-deep-research-falcon.md RARA encodes RARα, a ligand-activated nuclear receptor that functions as a sequence-specific DNA-binding transcription factor. RARα typically acts as a heterodimer with retinoid X receptor (RXR) on retinoic acid response elements (RAREs), classically composed of direct repeats of the hexamer PuG(G/T)TCA spaced by 1–5 bp (e.g., DR5, DR2, DR1).
GO:0005515 protein binding	IPI PMID:16606617 Additional sex comb-like 1 (ASXL1), in cooperation with SRC-...	MARK AS OVER ANNOTATED	Summary: Protein binding is an uninformative over-annotation for RARA. Reason: RARA has many documented interactions with RXR, coactivators, corepressors, kinases, and disease-associated partners, but GO:0005515 does not describe the functional mechanism. More informative terms cover nuclear receptor activity, RARE binding, transcription regulator complexes, and specific cofactor binding. Supporting Evidence: file:human/RARA/RARA-deep-research-falcon.md RARα supports a canonical nuclear-receptor cofactor “switch” mechanism: in the absence of ligand, RARα/RXR bound on DNA recruits corepressors such as NCoR/SMRT that are associated with histone deacetylase (HDAC) activity and transcriptional repression; upon retinoid agonist binding, ligand-induced conformational changes (notably involving AF-2/helix 12 in the ligand-binding domain) destabilize corepressor binding and favor recruitment of coactivators (e.g., p160/SRC family, CBP/p300, Mediator/DRIP/TRAP components), enabling transcriptional activation of retinoid-responsive genes. file:human/RARA/RARA-deep-research-falcon.md RARA encodes RARα, a ligand-activated nuclear receptor that functions as a sequence-specific DNA-binding transcription factor. RARα typically acts as a heterodimer with retinoid X receptor (RXR) on retinoic acid response elements (RAREs), classically composed of direct repeats of the hexamer PuG(G/T)TCA spaced by 1–5 bp (e.g., DR5, DR2, DR1).
GO:0005515 protein binding	IPI PMID:16769902 Phosphorylation by PKA potentiates retinoic acid receptor al...	MARK AS OVER ANNOTATED	Summary: Protein binding is an uninformative over-annotation for RARA. Reason: RARA has many documented interactions with RXR, coactivators, corepressors, kinases, and disease-associated partners, but GO:0005515 does not describe the functional mechanism. More informative terms cover nuclear receptor activity, RARE binding, transcription regulator complexes, and specific cofactor binding. Supporting Evidence: file:human/RARA/RARA-deep-research-falcon.md RARα supports a canonical nuclear-receptor cofactor “switch” mechanism: in the absence of ligand, RARα/RXR bound on DNA recruits corepressors such as NCoR/SMRT that are associated with histone deacetylase (HDAC) activity and transcriptional repression; upon retinoid agonist binding, ligand-induced conformational changes (notably involving AF-2/helix 12 in the ligand-binding domain) destabilize corepressor binding and favor recruitment of coactivators (e.g., p160/SRC family, CBP/p300, Mediator/DRIP/TRAP components), enabling transcriptional activation of retinoid-responsive genes. file:human/RARA/RARA-deep-research-falcon.md RARA encodes RARα, a ligand-activated nuclear receptor that functions as a sequence-specific DNA-binding transcription factor. RARα typically acts as a heterodimer with retinoid X receptor (RXR) on retinoic acid response elements (RAREs), classically composed of direct repeats of the hexamer PuG(G/T)TCA spaced by 1–5 bp (e.g., DR5, DR2, DR1).
GO:0005515 protein binding	IPI PMID:17560333 Role of the polycomb repressive complex 2 in acute promyeloc...	MARK AS OVER ANNOTATED	Summary: Protein binding is an uninformative over-annotation for RARA. Reason: RARA has many documented interactions with RXR, coactivators, corepressors, kinases, and disease-associated partners, but GO:0005515 does not describe the functional mechanism. More informative terms cover nuclear receptor activity, RARE binding, transcription regulator complexes, and specific cofactor binding. Supporting Evidence: file:human/RARA/RARA-deep-research-falcon.md RARα supports a canonical nuclear-receptor cofactor “switch” mechanism: in the absence of ligand, RARα/RXR bound on DNA recruits corepressors such as NCoR/SMRT that are associated with histone deacetylase (HDAC) activity and transcriptional repression; upon retinoid agonist binding, ligand-induced conformational changes (notably involving AF-2/helix 12 in the ligand-binding domain) destabilize corepressor binding and favor recruitment of coactivators (e.g., p160/SRC family, CBP/p300, Mediator/DRIP/TRAP components), enabling transcriptional activation of retinoid-responsive genes. file:human/RARA/RARA-deep-research-falcon.md RARA encodes RARα, a ligand-activated nuclear receptor that functions as a sequence-specific DNA-binding transcription factor. RARα typically acts as a heterodimer with retinoid X receptor (RXR) on retinoic acid response elements (RAREs), classically composed of direct repeats of the hexamer PuG(G/T)TCA spaced by 1–5 bp (e.g., DR5, DR2, DR1).
GO:0005515 protein binding	IPI PMID:17641689 MED25 is distinct from TRAP220/MED1 in cooperating with CBP ...	MARK AS OVER ANNOTATED	Summary: Protein binding is an uninformative over-annotation for RARA. Reason: RARA has many documented interactions with RXR, coactivators, corepressors, kinases, and disease-associated partners, but GO:0005515 does not describe the functional mechanism. More informative terms cover nuclear receptor activity, RARE binding, transcription regulator complexes, and specific cofactor binding. Supporting Evidence: file:human/RARA/RARA-deep-research-falcon.md RARα supports a canonical nuclear-receptor cofactor “switch” mechanism: in the absence of ligand, RARα/RXR bound on DNA recruits corepressors such as NCoR/SMRT that are associated with histone deacetylase (HDAC) activity and transcriptional repression; upon retinoid agonist binding, ligand-induced conformational changes (notably involving AF-2/helix 12 in the ligand-binding domain) destabilize corepressor binding and favor recruitment of coactivators (e.g., p160/SRC family, CBP/p300, Mediator/DRIP/TRAP components), enabling transcriptional activation of retinoid-responsive genes. file:human/RARA/RARA-deep-research-falcon.md RARA encodes RARα, a ligand-activated nuclear receptor that functions as a sequence-specific DNA-binding transcription factor. RARα typically acts as a heterodimer with retinoid X receptor (RXR) on retinoic acid response elements (RAREs), classically composed of direct repeats of the hexamer PuG(G/T)TCA spaced by 1–5 bp (e.g., DR5, DR2, DR1).
GO:0005515 protein binding	IPI PMID:18048326 Identification of retinoic acid as an inhibitor of transcrip...	MARK AS OVER ANNOTATED	Summary: Protein binding is an uninformative over-annotation for RARA. Reason: RARA has many documented interactions with RXR, coactivators, corepressors, kinases, and disease-associated partners, but GO:0005515 does not describe the functional mechanism. More informative terms cover nuclear receptor activity, RARE binding, transcription regulator complexes, and specific cofactor binding. Supporting Evidence: file:human/RARA/RARA-deep-research-falcon.md RARα supports a canonical nuclear-receptor cofactor “switch” mechanism: in the absence of ligand, RARα/RXR bound on DNA recruits corepressors such as NCoR/SMRT that are associated with histone deacetylase (HDAC) activity and transcriptional repression; upon retinoid agonist binding, ligand-induced conformational changes (notably involving AF-2/helix 12 in the ligand-binding domain) destabilize corepressor binding and favor recruitment of coactivators (e.g., p160/SRC family, CBP/p300, Mediator/DRIP/TRAP components), enabling transcriptional activation of retinoid-responsive genes. file:human/RARA/RARA-deep-research-falcon.md RARA encodes RARα, a ligand-activated nuclear receptor that functions as a sequence-specific DNA-binding transcription factor. RARα typically acts as a heterodimer with retinoid X receptor (RXR) on retinoic acid response elements (RAREs), classically composed of direct repeats of the hexamer PuG(G/T)TCA spaced by 1–5 bp (e.g., DR5, DR2, DR1).
GO:0005515 protein binding	IPI PMID:19345331 ZNF423 is critically required for retinoic acid-induced diff...	MARK AS OVER ANNOTATED	Summary: Protein binding is an uninformative over-annotation for RARA. Reason: RARA has many documented interactions with RXR, coactivators, corepressors, kinases, and disease-associated partners, but GO:0005515 does not describe the functional mechanism. More informative terms cover nuclear receptor activity, RARE binding, transcription regulator complexes, and specific cofactor binding. Supporting Evidence: file:human/RARA/RARA-deep-research-falcon.md RARα supports a canonical nuclear-receptor cofactor “switch” mechanism: in the absence of ligand, RARα/RXR bound on DNA recruits corepressors such as NCoR/SMRT that are associated with histone deacetylase (HDAC) activity and transcriptional repression; upon retinoid agonist binding, ligand-induced conformational changes (notably involving AF-2/helix 12 in the ligand-binding domain) destabilize corepressor binding and favor recruitment of coactivators (e.g., p160/SRC family, CBP/p300, Mediator/DRIP/TRAP components), enabling transcriptional activation of retinoid-responsive genes. file:human/RARA/RARA-deep-research-falcon.md RARA encodes RARα, a ligand-activated nuclear receptor that functions as a sequence-specific DNA-binding transcription factor. RARα typically acts as a heterodimer with retinoid X receptor (RXR) on retinoic acid response elements (RAREs), classically composed of direct repeats of the hexamer PuG(G/T)TCA spaced by 1–5 bp (e.g., DR5, DR2, DR1).
GO:0005515 protein binding	IPI PMID:19934264 Reciprocal roles of SIRT1 and SKIP in the regulation of RAR ...	MARK AS OVER ANNOTATED	Summary: Protein binding is an uninformative over-annotation for RARA. Reason: RARA has many documented interactions with RXR, coactivators, corepressors, kinases, and disease-associated partners, but GO:0005515 does not describe the functional mechanism. More informative terms cover nuclear receptor activity, RARE binding, transcription regulator complexes, and specific cofactor binding. Supporting Evidence: file:human/RARA/RARA-deep-research-falcon.md RARα supports a canonical nuclear-receptor cofactor “switch” mechanism: in the absence of ligand, RARα/RXR bound on DNA recruits corepressors such as NCoR/SMRT that are associated with histone deacetylase (HDAC) activity and transcriptional repression; upon retinoid agonist binding, ligand-induced conformational changes (notably involving AF-2/helix 12 in the ligand-binding domain) destabilize corepressor binding and favor recruitment of coactivators (e.g., p160/SRC family, CBP/p300, Mediator/DRIP/TRAP components), enabling transcriptional activation of retinoid-responsive genes. file:human/RARA/RARA-deep-research-falcon.md RARA encodes RARα, a ligand-activated nuclear receptor that functions as a sequence-specific DNA-binding transcription factor. RARα typically acts as a heterodimer with retinoid X receptor (RXR) on retinoic acid response elements (RAREs), classically composed of direct repeats of the hexamer PuG(G/T)TCA spaced by 1–5 bp (e.g., DR5, DR2, DR1).
GO:0005515 protein binding	IPI PMID:20133701 LIM protein Ajuba functions as a nuclear receptor corepresso...	MARK AS OVER ANNOTATED	Summary: Protein binding is an uninformative over-annotation for RARA. Reason: RARA has many documented interactions with RXR, coactivators, corepressors, kinases, and disease-associated partners, but GO:0005515 does not describe the functional mechanism. More informative terms cover nuclear receptor activity, RARE binding, transcription regulator complexes, and specific cofactor binding. Supporting Evidence: file:human/RARA/RARA-deep-research-falcon.md RARα supports a canonical nuclear-receptor cofactor “switch” mechanism: in the absence of ligand, RARα/RXR bound on DNA recruits corepressors such as NCoR/SMRT that are associated with histone deacetylase (HDAC) activity and transcriptional repression; upon retinoid agonist binding, ligand-induced conformational changes (notably involving AF-2/helix 12 in the ligand-binding domain) destabilize corepressor binding and favor recruitment of coactivators (e.g., p160/SRC family, CBP/p300, Mediator/DRIP/TRAP components), enabling transcriptional activation of retinoid-responsive genes. file:human/RARA/RARA-deep-research-falcon.md RARA encodes RARα, a ligand-activated nuclear receptor that functions as a sequence-specific DNA-binding transcription factor. RARα typically acts as a heterodimer with retinoid X receptor (RXR) on retinoic acid response elements (RAREs), classically composed of direct repeats of the hexamer PuG(G/T)TCA spaced by 1–5 bp (e.g., DR5, DR2, DR1).
GO:0005515 protein binding	IPI PMID:20211142 An atlas of combinatorial transcriptional regulation in mous...	MARK AS OVER ANNOTATED	Summary: Protein binding is an uninformative over-annotation for RARA. Reason: RARA has many documented interactions with RXR, coactivators, corepressors, kinases, and disease-associated partners, but GO:0005515 does not describe the functional mechanism. More informative terms cover nuclear receptor activity, RARE binding, transcription regulator complexes, and specific cofactor binding. Supporting Evidence: file:human/RARA/RARA-deep-research-falcon.md RARα supports a canonical nuclear-receptor cofactor “switch” mechanism: in the absence of ligand, RARα/RXR bound on DNA recruits corepressors such as NCoR/SMRT that are associated with histone deacetylase (HDAC) activity and transcriptional repression; upon retinoid agonist binding, ligand-induced conformational changes (notably involving AF-2/helix 12 in the ligand-binding domain) destabilize corepressor binding and favor recruitment of coactivators (e.g., p160/SRC family, CBP/p300, Mediator/DRIP/TRAP components), enabling transcriptional activation of retinoid-responsive genes. file:human/RARA/RARA-deep-research-falcon.md RARA encodes RARα, a ligand-activated nuclear receptor that functions as a sequence-specific DNA-binding transcription factor. RARα typically acts as a heterodimer with retinoid X receptor (RXR) on retinoic acid response elements (RAREs), classically composed of direct repeats of the hexamer PuG(G/T)TCA spaced by 1–5 bp (e.g., DR5, DR2, DR1).
GO:0005515 protein binding	IPI PMID:20543827 A unique secondary-structure switch controls constitutive ge...	MARK AS OVER ANNOTATED	Summary: Protein binding is an uninformative over-annotation for RARA. Reason: RARA has many documented interactions with RXR, coactivators, corepressors, kinases, and disease-associated partners, but GO:0005515 does not describe the functional mechanism. More informative terms cover nuclear receptor activity, RARE binding, transcription regulator complexes, and specific cofactor binding. Supporting Evidence: file:human/RARA/RARA-deep-research-falcon.md RARα supports a canonical nuclear-receptor cofactor “switch” mechanism: in the absence of ligand, RARα/RXR bound on DNA recruits corepressors such as NCoR/SMRT that are associated with histone deacetylase (HDAC) activity and transcriptional repression; upon retinoid agonist binding, ligand-induced conformational changes (notably involving AF-2/helix 12 in the ligand-binding domain) destabilize corepressor binding and favor recruitment of coactivators (e.g., p160/SRC family, CBP/p300, Mediator/DRIP/TRAP components), enabling transcriptional activation of retinoid-responsive genes. file:human/RARA/RARA-deep-research-falcon.md RARA encodes RARα, a ligand-activated nuclear receptor that functions as a sequence-specific DNA-binding transcription factor. RARα typically acts as a heterodimer with retinoid X receptor (RXR) on retinoic acid response elements (RAREs), classically composed of direct repeats of the hexamer PuG(G/T)TCA spaced by 1–5 bp (e.g., DR5, DR2, DR1).
GO:0005515 protein binding	IPI PMID:21478865 Common architecture of nuclear receptor heterodimers on DNA ...	MARK AS OVER ANNOTATED	Summary: Protein binding is an uninformative over-annotation for RARA. Reason: RARA has many documented interactions with RXR, coactivators, corepressors, kinases, and disease-associated partners, but GO:0005515 does not describe the functional mechanism. More informative terms cover nuclear receptor activity, RARE binding, transcription regulator complexes, and specific cofactor binding. Supporting Evidence: file:human/RARA/RARA-deep-research-falcon.md RARα supports a canonical nuclear-receptor cofactor “switch” mechanism: in the absence of ligand, RARα/RXR bound on DNA recruits corepressors such as NCoR/SMRT that are associated with histone deacetylase (HDAC) activity and transcriptional repression; upon retinoid agonist binding, ligand-induced conformational changes (notably involving AF-2/helix 12 in the ligand-binding domain) destabilize corepressor binding and favor recruitment of coactivators (e.g., p160/SRC family, CBP/p300, Mediator/DRIP/TRAP components), enabling transcriptional activation of retinoid-responsive genes. file:human/RARA/RARA-deep-research-falcon.md RARA encodes RARα, a ligand-activated nuclear receptor that functions as a sequence-specific DNA-binding transcription factor. RARα typically acts as a heterodimer with retinoid X receptor (RXR) on retinoic acid response elements (RAREs), classically composed of direct repeats of the hexamer PuG(G/T)TCA spaced by 1–5 bp (e.g., DR5, DR2, DR1).
GO:0005515 protein binding	IPI PMID:21516116 Next-generation sequencing to generate interactome datasets.	MARK AS OVER ANNOTATED	Summary: Protein binding is an uninformative over-annotation for RARA. Reason: RARA has many documented interactions with RXR, coactivators, corepressors, kinases, and disease-associated partners, but GO:0005515 does not describe the functional mechanism. More informative terms cover nuclear receptor activity, RARE binding, transcription regulator complexes, and specific cofactor binding. Supporting Evidence: file:human/RARA/RARA-deep-research-falcon.md RARα supports a canonical nuclear-receptor cofactor “switch” mechanism: in the absence of ligand, RARα/RXR bound on DNA recruits corepressors such as NCoR/SMRT that are associated with histone deacetylase (HDAC) activity and transcriptional repression; upon retinoid agonist binding, ligand-induced conformational changes (notably involving AF-2/helix 12 in the ligand-binding domain) destabilize corepressor binding and favor recruitment of coactivators (e.g., p160/SRC family, CBP/p300, Mediator/DRIP/TRAP components), enabling transcriptional activation of retinoid-responsive genes. file:human/RARA/RARA-deep-research-falcon.md RARA encodes RARα, a ligand-activated nuclear receptor that functions as a sequence-specific DNA-binding transcription factor. RARα typically acts as a heterodimer with retinoid X receptor (RXR) on retinoic acid response elements (RAREs), classically composed of direct repeats of the hexamer PuG(G/T)TCA spaced by 1–5 bp (e.g., DR5, DR2, DR1).
GO:0005515 protein binding	IPI PMID:21988832 Toward an understanding of the protein interaction network o...	MARK AS OVER ANNOTATED	Summary: Protein binding is an uninformative over-annotation for RARA. Reason: RARA has many documented interactions with RXR, coactivators, corepressors, kinases, and disease-associated partners, but GO:0005515 does not describe the functional mechanism. More informative terms cover nuclear receptor activity, RARE binding, transcription regulator complexes, and specific cofactor binding. Supporting Evidence: file:human/RARA/RARA-deep-research-falcon.md RARα supports a canonical nuclear-receptor cofactor “switch” mechanism: in the absence of ligand, RARα/RXR bound on DNA recruits corepressors such as NCoR/SMRT that are associated with histone deacetylase (HDAC) activity and transcriptional repression; upon retinoid agonist binding, ligand-induced conformational changes (notably involving AF-2/helix 12 in the ligand-binding domain) destabilize corepressor binding and favor recruitment of coactivators (e.g., p160/SRC family, CBP/p300, Mediator/DRIP/TRAP components), enabling transcriptional activation of retinoid-responsive genes. file:human/RARA/RARA-deep-research-falcon.md RARA encodes RARα, a ligand-activated nuclear receptor that functions as a sequence-specific DNA-binding transcription factor. RARα typically acts as a heterodimer with retinoid X receptor (RXR) on retinoic acid response elements (RAREs), classically composed of direct repeats of the hexamer PuG(G/T)TCA spaced by 1–5 bp (e.g., DR5, DR2, DR1).
GO:0005515 protein binding	IPI PMID:22056876 A retinoic acid receptor RARα pool present in membrane lipid...	MARK AS OVER ANNOTATED	Summary: Protein binding is an uninformative over-annotation for RARA. Reason: RARA has many documented interactions with RXR, coactivators, corepressors, kinases, and disease-associated partners, but GO:0005515 does not describe the functional mechanism. More informative terms cover nuclear receptor activity, RARE binding, transcription regulator complexes, and specific cofactor binding. Supporting Evidence: file:human/RARA/RARA-deep-research-falcon.md RARα supports a canonical nuclear-receptor cofactor “switch” mechanism: in the absence of ligand, RARα/RXR bound on DNA recruits corepressors such as NCoR/SMRT that are associated with histone deacetylase (HDAC) activity and transcriptional repression; upon retinoid agonist binding, ligand-induced conformational changes (notably involving AF-2/helix 12 in the ligand-binding domain) destabilize corepressor binding and favor recruitment of coactivators (e.g., p160/SRC family, CBP/p300, Mediator/DRIP/TRAP components), enabling transcriptional activation of retinoid-responsive genes. file:human/RARA/RARA-deep-research-falcon.md RARA encodes RARα, a ligand-activated nuclear receptor that functions as a sequence-specific DNA-binding transcription factor. RARα typically acts as a heterodimer with retinoid X receptor (RXR) on retinoic acid response elements (RAREs), classically composed of direct repeats of the hexamer PuG(G/T)TCA spaced by 1–5 bp (e.g., DR5, DR2, DR1).
GO:0005515 protein binding	IPI PMID:22351778 Familial focal segmental glomerulosclerosis (FSGS)-linked α-...	MARK AS OVER ANNOTATED	Summary: Protein binding is an uninformative over-annotation for RARA. Reason: RARA has many documented interactions with RXR, coactivators, corepressors, kinases, and disease-associated partners, but GO:0005515 does not describe the functional mechanism. More informative terms cover nuclear receptor activity, RARE binding, transcription regulator complexes, and specific cofactor binding. Supporting Evidence: file:human/RARA/RARA-deep-research-falcon.md RARα supports a canonical nuclear-receptor cofactor “switch” mechanism: in the absence of ligand, RARα/RXR bound on DNA recruits corepressors such as NCoR/SMRT that are associated with histone deacetylase (HDAC) activity and transcriptional repression; upon retinoid agonist binding, ligand-induced conformational changes (notably involving AF-2/helix 12 in the ligand-binding domain) destabilize corepressor binding and favor recruitment of coactivators (e.g., p160/SRC family, CBP/p300, Mediator/DRIP/TRAP components), enabling transcriptional activation of retinoid-responsive genes. file:human/RARA/RARA-deep-research-falcon.md RARA encodes RARα, a ligand-activated nuclear receptor that functions as a sequence-specific DNA-binding transcription factor. RARα typically acts as a heterodimer with retinoid X receptor (RXR) on retinoic acid response elements (RAREs), classically composed of direct repeats of the hexamer PuG(G/T)TCA spaced by 1–5 bp (e.g., DR5, DR2, DR1).
GO:0005515 protein binding	IPI PMID:23518351 The histone demethylase PHF8 governs retinoic acid response ...	MARK AS OVER ANNOTATED	Summary: Protein binding is an uninformative over-annotation for RARA. Reason: RARA has many documented interactions with RXR, coactivators, corepressors, kinases, and disease-associated partners, but GO:0005515 does not describe the functional mechanism. More informative terms cover nuclear receptor activity, RARE binding, transcription regulator complexes, and specific cofactor binding. Supporting Evidence: file:human/RARA/RARA-deep-research-falcon.md RARα supports a canonical nuclear-receptor cofactor “switch” mechanism: in the absence of ligand, RARα/RXR bound on DNA recruits corepressors such as NCoR/SMRT that are associated with histone deacetylase (HDAC) activity and transcriptional repression; upon retinoid agonist binding, ligand-induced conformational changes (notably involving AF-2/helix 12 in the ligand-binding domain) destabilize corepressor binding and favor recruitment of coactivators (e.g., p160/SRC family, CBP/p300, Mediator/DRIP/TRAP components), enabling transcriptional activation of retinoid-responsive genes. file:human/RARA/RARA-deep-research-falcon.md RARA encodes RARα, a ligand-activated nuclear receptor that functions as a sequence-specific DNA-binding transcription factor. RARα typically acts as a heterodimer with retinoid X receptor (RXR) on retinoic acid response elements (RAREs), classically composed of direct repeats of the hexamer PuG(G/T)TCA spaced by 1–5 bp (e.g., DR5, DR2, DR1).
GO:0005515 protein binding	IPI PMID:23693014 Activation of Akt pathway by transcription-independent mecha...	MARK AS OVER ANNOTATED	Summary: Protein binding is an uninformative over-annotation for RARA. Reason: RARA has many documented interactions with RXR, coactivators, corepressors, kinases, and disease-associated partners, but GO:0005515 does not describe the functional mechanism. More informative terms cover nuclear receptor activity, RARE binding, transcription regulator complexes, and specific cofactor binding. Supporting Evidence: file:human/RARA/RARA-deep-research-falcon.md RARα supports a canonical nuclear-receptor cofactor “switch” mechanism: in the absence of ligand, RARα/RXR bound on DNA recruits corepressors such as NCoR/SMRT that are associated with histone deacetylase (HDAC) activity and transcriptional repression; upon retinoid agonist binding, ligand-induced conformational changes (notably involving AF-2/helix 12 in the ligand-binding domain) destabilize corepressor binding and favor recruitment of coactivators (e.g., p160/SRC family, CBP/p300, Mediator/DRIP/TRAP components), enabling transcriptional activation of retinoid-responsive genes. file:human/RARA/RARA-deep-research-falcon.md RARA encodes RARα, a ligand-activated nuclear receptor that functions as a sequence-specific DNA-binding transcription factor. RARα typically acts as a heterodimer with retinoid X receptor (RXR) on retinoic acid response elements (RAREs), classically composed of direct repeats of the hexamer PuG(G/T)TCA spaced by 1–5 bp (e.g., DR5, DR2, DR1).
GO:0005515 protein binding	IPI PMID:24819975 Small ubiquitin-related modifier-1 modification regulates al...	MARK AS OVER ANNOTATED	Summary: Protein binding is an uninformative over-annotation for RARA. Reason: RARA has many documented interactions with RXR, coactivators, corepressors, kinases, and disease-associated partners, but GO:0005515 does not describe the functional mechanism. More informative terms cover nuclear receptor activity, RARE binding, transcription regulator complexes, and specific cofactor binding. Supporting Evidence: file:human/RARA/RARA-deep-research-falcon.md RARα supports a canonical nuclear-receptor cofactor “switch” mechanism: in the absence of ligand, RARα/RXR bound on DNA recruits corepressors such as NCoR/SMRT that are associated with histone deacetylase (HDAC) activity and transcriptional repression; upon retinoid agonist binding, ligand-induced conformational changes (notably involving AF-2/helix 12 in the ligand-binding domain) destabilize corepressor binding and favor recruitment of coactivators (e.g., p160/SRC family, CBP/p300, Mediator/DRIP/TRAP components), enabling transcriptional activation of retinoid-responsive genes. file:human/RARA/RARA-deep-research-falcon.md RARA encodes RARα, a ligand-activated nuclear receptor that functions as a sequence-specific DNA-binding transcription factor. RARα typically acts as a heterodimer with retinoid X receptor (RXR) on retinoic acid response elements (RAREs), classically composed of direct repeats of the hexamer PuG(G/T)TCA spaced by 1–5 bp (e.g., DR5, DR2, DR1).
GO:0005515 protein binding	IPI PMID:25036637 A quantitative chaperone interaction network reveals the arc...	MARK AS OVER ANNOTATED	Summary: Protein binding is an uninformative over-annotation for RARA. Reason: RARA has many documented interactions with RXR, coactivators, corepressors, kinases, and disease-associated partners, but GO:0005515 does not describe the functional mechanism. More informative terms cover nuclear receptor activity, RARE binding, transcription regulator complexes, and specific cofactor binding. Supporting Evidence: file:human/RARA/RARA-deep-research-falcon.md RARα supports a canonical nuclear-receptor cofactor “switch” mechanism: in the absence of ligand, RARα/RXR bound on DNA recruits corepressors such as NCoR/SMRT that are associated with histone deacetylase (HDAC) activity and transcriptional repression; upon retinoid agonist binding, ligand-induced conformational changes (notably involving AF-2/helix 12 in the ligand-binding domain) destabilize corepressor binding and favor recruitment of coactivators (e.g., p160/SRC family, CBP/p300, Mediator/DRIP/TRAP components), enabling transcriptional activation of retinoid-responsive genes. file:human/RARA/RARA-deep-research-falcon.md RARA encodes RARα, a ligand-activated nuclear receptor that functions as a sequence-specific DNA-binding transcription factor. RARα typically acts as a heterodimer with retinoid X receptor (RXR) on retinoic acid response elements (RAREs), classically composed of direct repeats of the hexamer PuG(G/T)TCA spaced by 1–5 bp (e.g., DR5, DR2, DR1).
GO:0005515 protein binding	IPI PMID:25241761 Using an in situ proximity ligation assay to systematically ...	MARK AS OVER ANNOTATED	Summary: Protein binding is an uninformative over-annotation for RARA. Reason: RARA has many documented interactions with RXR, coactivators, corepressors, kinases, and disease-associated partners, but GO:0005515 does not describe the functional mechanism. More informative terms cover nuclear receptor activity, RARE binding, transcription regulator complexes, and specific cofactor binding. Supporting Evidence: file:human/RARA/RARA-deep-research-falcon.md RARα supports a canonical nuclear-receptor cofactor “switch” mechanism: in the absence of ligand, RARα/RXR bound on DNA recruits corepressors such as NCoR/SMRT that are associated with histone deacetylase (HDAC) activity and transcriptional repression; upon retinoid agonist binding, ligand-induced conformational changes (notably involving AF-2/helix 12 in the ligand-binding domain) destabilize corepressor binding and favor recruitment of coactivators (e.g., p160/SRC family, CBP/p300, Mediator/DRIP/TRAP components), enabling transcriptional activation of retinoid-responsive genes. file:human/RARA/RARA-deep-research-falcon.md RARA encodes RARα, a ligand-activated nuclear receptor that functions as a sequence-specific DNA-binding transcription factor. RARα typically acts as a heterodimer with retinoid X receptor (RXR) on retinoic acid response elements (RAREs), classically composed of direct repeats of the hexamer PuG(G/T)TCA spaced by 1–5 bp (e.g., DR5, DR2, DR1).
GO:0005515 protein binding	IPI PMID:25303530 Enhancer activation requires trans-recruitment of a mega tra...	MARK AS OVER ANNOTATED	Summary: Protein binding is an uninformative over-annotation for RARA. Reason: RARA has many documented interactions with RXR, coactivators, corepressors, kinases, and disease-associated partners, but GO:0005515 does not describe the functional mechanism. More informative terms cover nuclear receptor activity, RARE binding, transcription regulator complexes, and specific cofactor binding. Supporting Evidence: file:human/RARA/RARA-deep-research-falcon.md RARα supports a canonical nuclear-receptor cofactor “switch” mechanism: in the absence of ligand, RARα/RXR bound on DNA recruits corepressors such as NCoR/SMRT that are associated with histone deacetylase (HDAC) activity and transcriptional repression; upon retinoid agonist binding, ligand-induced conformational changes (notably involving AF-2/helix 12 in the ligand-binding domain) destabilize corepressor binding and favor recruitment of coactivators (e.g., p160/SRC family, CBP/p300, Mediator/DRIP/TRAP components), enabling transcriptional activation of retinoid-responsive genes. file:human/RARA/RARA-deep-research-falcon.md RARA encodes RARα, a ligand-activated nuclear receptor that functions as a sequence-specific DNA-binding transcription factor. RARα typically acts as a heterodimer with retinoid X receptor (RXR) on retinoic acid response elements (RAREs), classically composed of direct repeats of the hexamer PuG(G/T)TCA spaced by 1–5 bp (e.g., DR5, DR2, DR1).
GO:0005515 protein binding	IPI PMID:25416956 A proteome-scale map of the human interactome network.	MARK AS OVER ANNOTATED	Summary: Protein binding is an uninformative over-annotation for RARA. Reason: RARA has many documented interactions with RXR, coactivators, corepressors, kinases, and disease-associated partners, but GO:0005515 does not describe the functional mechanism. More informative terms cover nuclear receptor activity, RARE binding, transcription regulator complexes, and specific cofactor binding. Supporting Evidence: file:human/RARA/RARA-deep-research-falcon.md RARα supports a canonical nuclear-receptor cofactor “switch” mechanism: in the absence of ligand, RARα/RXR bound on DNA recruits corepressors such as NCoR/SMRT that are associated with histone deacetylase (HDAC) activity and transcriptional repression; upon retinoid agonist binding, ligand-induced conformational changes (notably involving AF-2/helix 12 in the ligand-binding domain) destabilize corepressor binding and favor recruitment of coactivators (e.g., p160/SRC family, CBP/p300, Mediator/DRIP/TRAP components), enabling transcriptional activation of retinoid-responsive genes. file:human/RARA/RARA-deep-research-falcon.md RARA encodes RARα, a ligand-activated nuclear receptor that functions as a sequence-specific DNA-binding transcription factor. RARα typically acts as a heterodimer with retinoid X receptor (RXR) on retinoic acid response elements (RAREs), classically composed of direct repeats of the hexamer PuG(G/T)TCA spaced by 1–5 bp (e.g., DR5, DR2, DR1).
GO:0005515 protein binding	IPI PMID:26871637 Widespread Expansion of Protein Interaction Capabilities by ...	MARK AS OVER ANNOTATED	Summary: Protein binding is an uninformative over-annotation for RARA. Reason: RARA has many documented interactions with RXR, coactivators, corepressors, kinases, and disease-associated partners, but GO:0005515 does not describe the functional mechanism. More informative terms cover nuclear receptor activity, RARE binding, transcription regulator complexes, and specific cofactor binding. Supporting Evidence: file:human/RARA/RARA-deep-research-falcon.md RARα supports a canonical nuclear-receptor cofactor “switch” mechanism: in the absence of ligand, RARα/RXR bound on DNA recruits corepressors such as NCoR/SMRT that are associated with histone deacetylase (HDAC) activity and transcriptional repression; upon retinoid agonist binding, ligand-induced conformational changes (notably involving AF-2/helix 12 in the ligand-binding domain) destabilize corepressor binding and favor recruitment of coactivators (e.g., p160/SRC family, CBP/p300, Mediator/DRIP/TRAP components), enabling transcriptional activation of retinoid-responsive genes. file:human/RARA/RARA-deep-research-falcon.md RARA encodes RARα, a ligand-activated nuclear receptor that functions as a sequence-specific DNA-binding transcription factor. RARα typically acts as a heterodimer with retinoid X receptor (RXR) on retinoic acid response elements (RAREs), classically composed of direct repeats of the hexamer PuG(G/T)TCA spaced by 1–5 bp (e.g., DR5, DR2, DR1).
GO:0005515 protein binding	IPI PMID:29892012 An interactome perturbation framework prioritizes damaging m...	MARK AS OVER ANNOTATED	Summary: Protein binding is an uninformative over-annotation for RARA. Reason: RARA has many documented interactions with RXR, coactivators, corepressors, kinases, and disease-associated partners, but GO:0005515 does not describe the functional mechanism. More informative terms cover nuclear receptor activity, RARE binding, transcription regulator complexes, and specific cofactor binding. Supporting Evidence: file:human/RARA/RARA-deep-research-falcon.md RARα supports a canonical nuclear-receptor cofactor “switch” mechanism: in the absence of ligand, RARα/RXR bound on DNA recruits corepressors such as NCoR/SMRT that are associated with histone deacetylase (HDAC) activity and transcriptional repression; upon retinoid agonist binding, ligand-induced conformational changes (notably involving AF-2/helix 12 in the ligand-binding domain) destabilize corepressor binding and favor recruitment of coactivators (e.g., p160/SRC family, CBP/p300, Mediator/DRIP/TRAP components), enabling transcriptional activation of retinoid-responsive genes. file:human/RARA/RARA-deep-research-falcon.md RARA encodes RARα, a ligand-activated nuclear receptor that functions as a sequence-specific DNA-binding transcription factor. RARα typically acts as a heterodimer with retinoid X receptor (RXR) on retinoic acid response elements (RAREs), classically composed of direct repeats of the hexamer PuG(G/T)TCA spaced by 1–5 bp (e.g., DR5, DR2, DR1).
GO:0005515 protein binding	IPI PMID:31515488 Extensive disruption of protein interactions by genetic vari...	MARK AS OVER ANNOTATED	Summary: Protein binding is an uninformative over-annotation for RARA. Reason: RARA has many documented interactions with RXR, coactivators, corepressors, kinases, and disease-associated partners, but GO:0005515 does not describe the functional mechanism. More informative terms cover nuclear receptor activity, RARE binding, transcription regulator complexes, and specific cofactor binding. Supporting Evidence: file:human/RARA/RARA-deep-research-falcon.md RARα supports a canonical nuclear-receptor cofactor “switch” mechanism: in the absence of ligand, RARα/RXR bound on DNA recruits corepressors such as NCoR/SMRT that are associated with histone deacetylase (HDAC) activity and transcriptional repression; upon retinoid agonist binding, ligand-induced conformational changes (notably involving AF-2/helix 12 in the ligand-binding domain) destabilize corepressor binding and favor recruitment of coactivators (e.g., p160/SRC family, CBP/p300, Mediator/DRIP/TRAP components), enabling transcriptional activation of retinoid-responsive genes. file:human/RARA/RARA-deep-research-falcon.md RARA encodes RARα, a ligand-activated nuclear receptor that functions as a sequence-specific DNA-binding transcription factor. RARα typically acts as a heterodimer with retinoid X receptor (RXR) on retinoic acid response elements (RAREs), classically composed of direct repeats of the hexamer PuG(G/T)TCA spaced by 1–5 bp (e.g., DR5, DR2, DR1).
GO:0005515 protein binding	IPI PMID:32296183 A reference map of the human binary protein interactome.	MARK AS OVER ANNOTATED	Summary: Protein binding is an uninformative over-annotation for RARA. Reason: RARA has many documented interactions with RXR, coactivators, corepressors, kinases, and disease-associated partners, but GO:0005515 does not describe the functional mechanism. More informative terms cover nuclear receptor activity, RARE binding, transcription regulator complexes, and specific cofactor binding. Supporting Evidence: file:human/RARA/RARA-deep-research-falcon.md RARα supports a canonical nuclear-receptor cofactor “switch” mechanism: in the absence of ligand, RARα/RXR bound on DNA recruits corepressors such as NCoR/SMRT that are associated with histone deacetylase (HDAC) activity and transcriptional repression; upon retinoid agonist binding, ligand-induced conformational changes (notably involving AF-2/helix 12 in the ligand-binding domain) destabilize corepressor binding and favor recruitment of coactivators (e.g., p160/SRC family, CBP/p300, Mediator/DRIP/TRAP components), enabling transcriptional activation of retinoid-responsive genes. file:human/RARA/RARA-deep-research-falcon.md RARA encodes RARα, a ligand-activated nuclear receptor that functions as a sequence-specific DNA-binding transcription factor. RARα typically acts as a heterodimer with retinoid X receptor (RXR) on retinoic acid response elements (RAREs), classically composed of direct repeats of the hexamer PuG(G/T)TCA spaced by 1–5 bp (e.g., DR5, DR2, DR1).
GO:0005515 protein binding	IPI PMID:35512704 Systematic discovery of mutation-directed neo-protein-protei...	MARK AS OVER ANNOTATED	Summary: Protein binding is an uninformative over-annotation for RARA. Reason: RARA has many documented interactions with RXR, coactivators, corepressors, kinases, and disease-associated partners, but GO:0005515 does not describe the functional mechanism. More informative terms cover nuclear receptor activity, RARE binding, transcription regulator complexes, and specific cofactor binding. Supporting Evidence: file:human/RARA/RARA-deep-research-falcon.md RARα supports a canonical nuclear-receptor cofactor “switch” mechanism: in the absence of ligand, RARα/RXR bound on DNA recruits corepressors such as NCoR/SMRT that are associated with histone deacetylase (HDAC) activity and transcriptional repression; upon retinoid agonist binding, ligand-induced conformational changes (notably involving AF-2/helix 12 in the ligand-binding domain) destabilize corepressor binding and favor recruitment of coactivators (e.g., p160/SRC family, CBP/p300, Mediator/DRIP/TRAP components), enabling transcriptional activation of retinoid-responsive genes. file:human/RARA/RARA-deep-research-falcon.md RARA encodes RARα, a ligand-activated nuclear receptor that functions as a sequence-specific DNA-binding transcription factor. RARα typically acts as a heterodimer with retinoid X receptor (RXR) on retinoic acid response elements (RAREs), classically composed of direct repeats of the hexamer PuG(G/T)TCA spaced by 1–5 bp (e.g., DR5, DR2, DR1).
GO:0005515 protein binding	IPI PMID:9653119 The TRAP220 component of a thyroid hormone receptor- associa...	MARK AS OVER ANNOTATED	Summary: Protein binding is an uninformative over-annotation for RARA. Reason: RARA has many documented interactions with RXR, coactivators, corepressors, kinases, and disease-associated partners, but GO:0005515 does not describe the functional mechanism. More informative terms cover nuclear receptor activity, RARE binding, transcription regulator complexes, and specific cofactor binding. Supporting Evidence: file:human/RARA/RARA-deep-research-falcon.md RARα supports a canonical nuclear-receptor cofactor “switch” mechanism: in the absence of ligand, RARα/RXR bound on DNA recruits corepressors such as NCoR/SMRT that are associated with histone deacetylase (HDAC) activity and transcriptional repression; upon retinoid agonist binding, ligand-induced conformational changes (notably involving AF-2/helix 12 in the ligand-binding domain) destabilize corepressor binding and favor recruitment of coactivators (e.g., p160/SRC family, CBP/p300, Mediator/DRIP/TRAP components), enabling transcriptional activation of retinoid-responsive genes. file:human/RARA/RARA-deep-research-falcon.md RARA encodes RARα, a ligand-activated nuclear receptor that functions as a sequence-specific DNA-binding transcription factor. RARα typically acts as a heterodimer with retinoid X receptor (RXR) on retinoic acid response elements (RAREs), classically composed of direct repeats of the hexamer PuG(G/T)TCA spaced by 1–5 bp (e.g., DR5, DR2, DR1).
GO:0000900 mRNA regulatory element binding translation repressor activity	IEA GO_REF:0000107	UNDECIDED	Summary: IEA mRNA/translation-repressor transfer is plausible enough to retain for specialist review, but was not evaluated in this Falcon synthesis. Reason: The Falcon synthesis supports RARA's canonical DNA-bound nuclear receptor function and does not directly support mRNA regulatory element binding or translation repression. However, the GOA row is an Ensembl Compara transfer from rat RARalpha evidence (UniProtKB:A0A0G2JW78; ENSRNOP00000069776), and rodent neuronal RARalpha translation-regulatory literature was not evaluated in this pass. Do not remove without reviewing that specialist literature.
GO:0000976 transcription cis-regulatory region binding	IEA GO_REF:0000107	ACCEPT	Summary: Core sequence-specific DNA/RARE binding function of the RARA-RXR transcription factor complex. Reason: RARA binds retinoic acid response elements, primarily as an RXR heterodimer, and this DNA binding is central to its transcriptional regulatory function. Supporting Evidence: file:human/RARA/RARA-deep-research-falcon.md RARA encodes RARα, a ligand-activated nuclear receptor that functions as a sequence-specific DNA-binding transcription factor. RARα typically acts as a heterodimer with retinoid X receptor (RXR) on retinoic acid response elements (RAREs), classically composed of direct repeats of the hexamer PuG(G/T)TCA spaced by 1–5 bp (e.g., DR5, DR2, DR1). file:human/RARA/RARA-deep-research-falcon.md RARα binds RAREs primarily as an RXR heterodimer. Structural and biochemical evidence includes a 1.7 Å crystal structure of RXR and RAR DNA-binding domains (DBDs) assembled on a DR1 element that shows RAR bound to the upstream (5′) half-site and RXR bound downstream (3′), i.e., reverse polarity compared with other RXR heterodimers.
GO:0000977 RNA polymerase II transcription regulatory region sequence-specific DNA binding	IEA GO_REF:0000107	ACCEPT	Summary: Core sequence-specific DNA/RARE binding function of the RARA-RXR transcription factor complex. Reason: RARA binds retinoic acid response elements, primarily as an RXR heterodimer, and this DNA binding is central to its transcriptional regulatory function. Supporting Evidence: file:human/RARA/RARA-deep-research-falcon.md RARA encodes RARα, a ligand-activated nuclear receptor that functions as a sequence-specific DNA-binding transcription factor. RARα typically acts as a heterodimer with retinoid X receptor (RXR) on retinoic acid response elements (RAREs), classically composed of direct repeats of the hexamer PuG(G/T)TCA spaced by 1–5 bp (e.g., DR5, DR2, DR1). file:human/RARA/RARA-deep-research-falcon.md RARα binds RAREs primarily as an RXR heterodimer. Structural and biochemical evidence includes a 1.7 Å crystal structure of RXR and RAR DNA-binding domains (DBDs) assembled on a DR1 element that shows RAR bound to the upstream (5′) half-site and RXR bound downstream (3′), i.e., reverse polarity compared with other RXR heterodimers.
GO:0001223 transcription coactivator binding	IEA GO_REF:0000107	KEEP AS NON CORE	Summary: Supported coactivator/corepressor binding mechanism, but binding terms are secondary to the core receptor transcription-factor activity. Reason: RARA uses cofactor binding to switch between repression and activation, but the core function is ligand-dependent DNA-bound transcriptional regulation. Supporting Evidence: file:human/RARA/RARA-deep-research-falcon.md RARα supports a canonical nuclear-receptor cofactor “switch” mechanism: in the absence of ligand, RARα/RXR bound on DNA recruits corepressors such as NCoR/SMRT that are associated with histone deacetylase (HDAC) activity and transcriptional repression; upon retinoid agonist binding, ligand-induced conformational changes (notably involving AF-2/helix 12 in the ligand-binding domain) destabilize corepressor binding and favor recruitment of coactivators (e.g., p160/SRC family, CBP/p300, Mediator/DRIP/TRAP components), enabling transcriptional activation of retinoid-responsive genes. file:human/RARA/RARA-deep-research-falcon.md Ligand binding can drive coactivator recruitment to RARα complexes. file:human/RARA/RARA-deep-research-falcon.md RARα/RXR complexes bound to RAREs recruit NCoR/SMRT corepressors linked to HDAC activity, supporting a mechanistic basis for ligand-modulated transcriptional repression.
GO:0001889 liver development	IEA GO_REF:0000107	KEEP AS NON CORE	Summary: Supported developmental or differentiation role, but downstream and context-dependent relative to core RARA transcriptional regulation. Reason: RARA-dependent retinoid signaling influences differentiation and development, but these are downstream programs and should not be treated as the core molecular function. Supporting Evidence: file:human/RARA/RARA-deep-research-falcon.md many transcriptomic or phenotypic outcomes in RA-treated cells reflect indirect downstream programs (e.g., differentiation cascades) rather than direct RARα DNA binding; IDA evidence for MF/CC (structure, EMSA, cofactor recruitment assays) is stronger than broad BP assertions unless direct targets are shown. PMID:19917671 These studies demonstrate, for the first time, that RA couples G(1) arrest to transcriptional control of cancer cell differentiation by suppressing CAK phosphorylation of RARalpha to release transcriptional repression.
GO:0007281 germ cell development	IEA GO_REF:0000107	KEEP AS NON CORE	Summary: Supported developmental or differentiation role, but downstream and context-dependent relative to core RARA transcriptional regulation. Reason: RARA-dependent retinoid signaling influences differentiation and development, but these are downstream programs and should not be treated as the core molecular function. Supporting Evidence: file:human/RARA/RARA-deep-research-falcon.md many transcriptomic or phenotypic outcomes in RA-treated cells reflect indirect downstream programs (e.g., differentiation cascades) rather than direct RARα DNA binding; IDA evidence for MF/CC (structure, EMSA, cofactor recruitment assays) is stronger than broad BP assertions unless direct targets are shown. PMID:19917671 These studies demonstrate, for the first time, that RA couples G(1) arrest to transcriptional control of cancer cell differentiation by suppressing CAK phosphorylation of RARalpha to release transcriptional repression.
GO:0007565 female pregnancy	IEA GO_REF:0000107	MARK AS OVER ANNOTATED	Summary: This broad response/development annotation is weakly connected to direct RARA function and likely overstates downstream context-specific biology. Reason: The core evidence supports direct nuclear receptor transcriptional regulation. Broad organismal or stimulus-response terms should be used cautiously unless direct RARA targets and cell context are shown. Supporting Evidence: file:human/RARA/RARA-deep-research-falcon.md many transcriptomic or phenotypic outcomes in RA-treated cells reflect indirect downstream programs (e.g., differentiation cascades) rather than direct RARα DNA binding; IDA evidence for MF/CC (structure, EMSA, cofactor recruitment assays) is stronger than broad BP assertions unless direct targets are shown.
GO:0008285 negative regulation of cell population proliferation	IEA GO_REF:0000107	KEEP AS NON CORE	Summary: Supported cell proliferation, apoptosis, cell-cycle, or binding effects are context-specific downstream outputs of RARA signaling. Reason: These annotations can be retained as non-core where experiments support cellular phenotypes, but they are downstream of direct retinoid receptor transcriptional regulation. Supporting Evidence: file:human/RARA/RARA-deep-research-falcon.md many transcriptomic or phenotypic outcomes in RA-treated cells reflect indirect downstream programs (e.g., differentiation cascades) rather than direct RARα DNA binding; IDA evidence for MF/CC (structure, EMSA, cofactor recruitment assays) is stronger than broad BP assertions unless direct targets are shown. PMID:20080953 We now show that RAR alpha is required for efficient estrogen receptor-alpha (ER)-mediated transcription and cell proliferation.
GO:0008584 male gonad development	IEA GO_REF:0000107	KEEP AS NON CORE	Summary: Supported developmental or differentiation role, but downstream and context-dependent relative to core RARA transcriptional regulation. Reason: RARA-dependent retinoid signaling influences differentiation and development, but these are downstream programs and should not be treated as the core molecular function. Supporting Evidence: file:human/RARA/RARA-deep-research-falcon.md many transcriptomic or phenotypic outcomes in RA-treated cells reflect indirect downstream programs (e.g., differentiation cascades) rather than direct RARα DNA binding; IDA evidence for MF/CC (structure, EMSA, cofactor recruitment assays) is stronger than broad BP assertions unless direct targets are shown. PMID:19917671 These studies demonstrate, for the first time, that RA couples G(1) arrest to transcriptional control of cancer cell differentiation by suppressing CAK phosphorylation of RARalpha to release transcriptional repression.
GO:0010628 positive regulation of gene expression	IEA GO_REF:0000107	MODIFY	Summary: The broad positive regulation of gene expression term should be narrowed to positive regulation of RNA polymerase II transcription. Reason: RARA directly controls retinoid-responsive transcriptional programs; the supported direct process is RNA polymerase II transcriptional activation rather than gene expression broadly. Proposed replacements: positive regulation of transcription by RNA polymerase II Supporting Evidence: file:human/RARA/RARA-deep-research-falcon.md Ligand binding can drive coactivator recruitment to RARα complexes. file:human/RARA/RARA-deep-research-falcon.md RARα is a core effector of retinoic acid signaling, transducing ligand binding into activation or repression of RA-responsive transcriptional programs.
GO:0017148 negative regulation of translation	IEA GO_REF:0000107	UNDECIDED	Summary: IEA translation-regulation transfer is plausible enough to retain for specialist review, but was not evaluated in this Falcon synthesis. Reason: The Falcon synthesis supports RARA's canonical DNA-bound nuclear receptor function and does not directly support negative regulation of translation. However, the GOA row is an Ensembl Compara transfer from rat RARalpha evidence (UniProtKB:A0A0G2JW78; ENSRNOP00000069776), and rodent neuronal RARalpha translation-regulatory literature was not evaluated in this pass. Do not remove without reviewing that specialist literature.
GO:0021766 hippocampus development	IEA GO_REF:0000107	KEEP AS NON CORE	Summary: Supported developmental or differentiation role, but downstream and context-dependent relative to core RARA transcriptional regulation. Reason: RARA-dependent retinoid signaling influences differentiation and development, but these are downstream programs and should not be treated as the core molecular function. Supporting Evidence: file:human/RARA/RARA-deep-research-falcon.md many transcriptomic or phenotypic outcomes in RA-treated cells reflect indirect downstream programs (e.g., differentiation cascades) rather than direct RARα DNA binding; IDA evidence for MF/CC (structure, EMSA, cofactor recruitment assays) is stronger than broad BP assertions unless direct targets are shown. PMID:19917671 These studies demonstrate, for the first time, that RA couples G(1) arrest to transcriptional control of cancer cell differentiation by suppressing CAK phosphorylation of RARalpha to release transcriptional repression.
GO:0030425 dendrite	IEA GO_REF:0000107	MARK AS OVER ANNOTATED	Summary: This localization is over-emphasized relative to the core nuclear/chromatin RARA function. Reason: RARA is primarily nuclear/chromatin-associated. Dendrite or plasma membrane annotations may reflect specialized or indirect contexts but do not represent the core function. Supporting Evidence: file:human/RARA/RARA-deep-research-falcon.md RARα is primarily described as nuclear and chromatin-associated through binding to promoter/enhancer RAREs; nucleosomes do not necessarily preclude binding. file:human/RARA/RARA-deep-research-falcon.md many transcriptomic or phenotypic outcomes in RA-treated cells reflect indirect downstream programs (e.g., differentiation cascades) rather than direct RARα DNA binding; IDA evidence for MF/CC (structure, EMSA, cofactor recruitment assays) is stronger than broad BP assertions unless direct targets are shown.
GO:0030850 prostate gland development	IEA GO_REF:0000107	KEEP AS NON CORE	Summary: Supported developmental or differentiation role, but downstream and context-dependent relative to core RARA transcriptional regulation. Reason: RARA-dependent retinoid signaling influences differentiation and development, but these are downstream programs and should not be treated as the core molecular function. Supporting Evidence: file:human/RARA/RARA-deep-research-falcon.md many transcriptomic or phenotypic outcomes in RA-treated cells reflect indirect downstream programs (e.g., differentiation cascades) rather than direct RARα DNA binding; IDA evidence for MF/CC (structure, EMSA, cofactor recruitment assays) is stronger than broad BP assertions unless direct targets are shown. PMID:19917671 These studies demonstrate, for the first time, that RA couples G(1) arrest to transcriptional control of cancer cell differentiation by suppressing CAK phosphorylation of RARalpha to release transcriptional repression.
GO:0031641 regulation of myelination	IEA GO_REF:0000107	KEEP AS NON CORE	Summary: Supported developmental or differentiation role, but downstream and context-dependent relative to core RARA transcriptional regulation. Reason: RARA-dependent retinoid signaling influences differentiation and development, but these are downstream programs and should not be treated as the core molecular function. Supporting Evidence: file:human/RARA/RARA-deep-research-falcon.md many transcriptomic or phenotypic outcomes in RA-treated cells reflect indirect downstream programs (e.g., differentiation cascades) rather than direct RARα DNA binding; IDA evidence for MF/CC (structure, EMSA, cofactor recruitment assays) is stronger than broad BP assertions unless direct targets are shown. PMID:19917671 These studies demonstrate, for the first time, that RA couples G(1) arrest to transcriptional control of cancer cell differentiation by suppressing CAK phosphorylation of RARalpha to release transcriptional repression.
GO:0032355 response to estradiol	IEA GO_REF:0000107	KEEP AS NON CORE	Summary: Supported estrogen cross-talk context, but non-core relative to canonical retinoic acid receptor function. Reason: RARA can cooperate with estrogen receptor programs in breast cancer cells, but this is a context-specific regulatory interaction rather than the core retinoid receptor function. Supporting Evidence: PMID:20080953 We now show that RAR alpha is required for efficient estrogen receptor-alpha (ER)-mediated transcription and cell proliferation. file:human/RARA/RARA-deep-research-falcon.md many transcriptomic or phenotypic outcomes in RA-treated cells reflect indirect downstream programs (e.g., differentiation cascades) rather than direct RARα DNA binding; IDA evidence for MF/CC (structure, EMSA, cofactor recruitment assays) is stronger than broad BP assertions unless direct targets are shown.
GO:0033189 response to vitamin A	IEA GO_REF:0000107	KEEP AS NON CORE	Summary: Supported retinoid/vitamin A response annotation, but broader than the direct RARA receptor signaling pathway. Reason: RARA is a direct mediator of retinoic acid signaling. General cellular response terms are valid but less precise than retinoic acid receptor signaling and transcriptional regulation. Supporting Evidence: file:human/RARA/RARA-deep-research-falcon.md RARA encodes RARα, a ligand-activated nuclear receptor that functions as a sequence-specific DNA-binding transcription factor. RARα typically acts as a heterodimer with retinoid X receptor (RXR) on retinoic acid response elements (RAREs), classically composed of direct repeats of the hexamer PuG(G/T)TCA spaced by 1–5 bp (e.g., DR5, DR2, DR1). file:human/RARA/RARA-deep-research-falcon.md RARα is a core effector of retinoic acid signaling, transducing ligand binding into activation or repression of RA-responsive transcriptional programs.
GO:0034097 response to cytokine	IEA GO_REF:0000107	MARK AS OVER ANNOTATED	Summary: This broad response/development annotation is weakly connected to direct RARA function and likely overstates downstream context-specific biology. Reason: The core evidence supports direct nuclear receptor transcriptional regulation. Broad organismal or stimulus-response terms should be used cautiously unless direct RARA targets and cell context are shown. Supporting Evidence: file:human/RARA/RARA-deep-research-falcon.md many transcriptomic or phenotypic outcomes in RA-treated cells reflect indirect downstream programs (e.g., differentiation cascades) rather than direct RARα DNA binding; IDA evidence for MF/CC (structure, EMSA, cofactor recruitment assays) is stronger than broad BP assertions unless direct targets are shown.
GO:0042826 histone deacetylase binding	IEA GO_REF:0000107	KEEP AS NON CORE	Summary: Supported coactivator/corepressor binding mechanism, but binding terms are secondary to the core receptor transcription-factor activity. Reason: RARA uses cofactor binding to switch between repression and activation, but the core function is ligand-dependent DNA-bound transcriptional regulation. Supporting Evidence: file:human/RARA/RARA-deep-research-falcon.md RARα supports a canonical nuclear-receptor cofactor “switch” mechanism: in the absence of ligand, RARα/RXR bound on DNA recruits corepressors such as NCoR/SMRT that are associated with histone deacetylase (HDAC) activity and transcriptional repression; upon retinoid agonist binding, ligand-induced conformational changes (notably involving AF-2/helix 12 in the ligand-binding domain) destabilize corepressor binding and favor recruitment of coactivators (e.g., p160/SRC family, CBP/p300, Mediator/DRIP/TRAP components), enabling transcriptional activation of retinoid-responsive genes. file:human/RARA/RARA-deep-research-falcon.md Ligand binding can drive coactivator recruitment to RARα complexes. file:human/RARA/RARA-deep-research-falcon.md RARα/RXR complexes bound to RAREs recruit NCoR/SMRT corepressors linked to HDAC activity, supporting a mechanistic basis for ligand-modulated transcriptional repression.
GO:0042981 regulation of apoptotic process	IEA GO_REF:0000107	KEEP AS NON CORE	Summary: Supported cell proliferation, apoptosis, cell-cycle, or binding effects are context-specific downstream outputs of RARA signaling. Reason: These annotations can be retained as non-core where experiments support cellular phenotypes, but they are downstream of direct retinoid receptor transcriptional regulation. Supporting Evidence: file:human/RARA/RARA-deep-research-falcon.md many transcriptomic or phenotypic outcomes in RA-treated cells reflect indirect downstream programs (e.g., differentiation cascades) rather than direct RARα DNA binding; IDA evidence for MF/CC (structure, EMSA, cofactor recruitment assays) is stronger than broad BP assertions unless direct targets are shown. PMID:20080953 We now show that RAR alpha is required for efficient estrogen receptor-alpha (ER)-mediated transcription and cell proliferation.
GO:0045471 response to ethanol	IEA GO_REF:0000107	MARK AS OVER ANNOTATED	Summary: This broad response/development annotation is weakly connected to direct RARA function and likely overstates downstream context-specific biology. Reason: The core evidence supports direct nuclear receptor transcriptional regulation. Broad organismal or stimulus-response terms should be used cautiously unless direct RARA targets and cell context are shown. Supporting Evidence: file:human/RARA/RARA-deep-research-falcon.md many transcriptomic or phenotypic outcomes in RA-treated cells reflect indirect downstream programs (e.g., differentiation cascades) rather than direct RARα DNA binding; IDA evidence for MF/CC (structure, EMSA, cofactor recruitment assays) is stronger than broad BP assertions unless direct targets are shown.
GO:0045666 positive regulation of neuron differentiation	IEA GO_REF:0000107	KEEP AS NON CORE	Summary: Supported developmental or differentiation role, but downstream and context-dependent relative to core RARA transcriptional regulation. Reason: RARA-dependent retinoid signaling influences differentiation and development, but these are downstream programs and should not be treated as the core molecular function. Supporting Evidence: file:human/RARA/RARA-deep-research-falcon.md many transcriptomic or phenotypic outcomes in RA-treated cells reflect indirect downstream programs (e.g., differentiation cascades) rather than direct RARα DNA binding; IDA evidence for MF/CC (structure, EMSA, cofactor recruitment assays) is stronger than broad BP assertions unless direct targets are shown. PMID:19917671 These studies demonstrate, for the first time, that RA couples G(1) arrest to transcriptional control of cancer cell differentiation by suppressing CAK phosphorylation of RARalpha to release transcriptional repression.
GO:0048027 mRNA 5'-UTR binding	IEA GO_REF:0000107	UNDECIDED	Summary: IEA mRNA 5'-UTR-binding transfer is plausible enough to retain for specialist review, but was not evaluated in this Falcon synthesis. Reason: The Falcon synthesis supports RARA's canonical DNA-bound nuclear receptor function and does not directly support mRNA 5'-UTR binding. However, the GOA row is an Ensembl Compara transfer from rat RARalpha evidence (UniProtKB:A0A0G2JW78; ENSRNOP00000069776), and rodent neuronal RARalpha translation-regulatory literature was not evaluated in this pass. Do not remove without reviewing that specialist literature.
GO:0048167 regulation of synaptic plasticity	IEA GO_REF:0000107	MARK AS OVER ANNOTATED	Summary: This broad response/development annotation is weakly connected to direct RARA function and likely overstates downstream context-specific biology. Reason: The core evidence supports direct nuclear receptor transcriptional regulation. Broad organismal or stimulus-response terms should be used cautiously unless direct RARA targets and cell context are shown. Supporting Evidence: file:human/RARA/RARA-deep-research-falcon.md many transcriptomic or phenotypic outcomes in RA-treated cells reflect indirect downstream programs (e.g., differentiation cascades) rather than direct RARα DNA binding; IDA evidence for MF/CC (structure, EMSA, cofactor recruitment assays) is stronger than broad BP assertions unless direct targets are shown.
GO:0048471 perinuclear region of cytoplasm	IEA GO_REF:0000107	KEEP AS NON CORE	Summary: Supported or plausible cytoplasmic/perinuclear pool, but non-core relative to nuclear/chromatin transcriptional regulation. Reason: RARA can have cytoplasmic or regulated translocation pools, but direct GO-core function occurs as a nuclear/chromatin-associated transcription factor. Supporting Evidence: file:human/RARA/RARA-deep-research-falcon.md RARα is primarily described as nuclear and chromatin-associated through binding to promoter/enhancer RAREs; nucleosomes do not necessarily preclude binding.
GO:0060010 Sertoli cell fate commitment	IEA GO_REF:0000107	KEEP AS NON CORE	Summary: Supported developmental or differentiation role, but downstream and context-dependent relative to core RARA transcriptional regulation. Reason: RARA-dependent retinoid signaling influences differentiation and development, but these are downstream programs and should not be treated as the core molecular function. Supporting Evidence: file:human/RARA/RARA-deep-research-falcon.md many transcriptomic or phenotypic outcomes in RA-treated cells reflect indirect downstream programs (e.g., differentiation cascades) rather than direct RARα DNA binding; IDA evidence for MF/CC (structure, EMSA, cofactor recruitment assays) is stronger than broad BP assertions unless direct targets are shown. PMID:19917671 These studies demonstrate, for the first time, that RA couples G(1) arrest to transcriptional control of cancer cell differentiation by suppressing CAK phosphorylation of RARalpha to release transcriptional repression.
GO:0071222 cellular response to lipopolysaccharide	IEA GO_REF:0000107	MARK AS OVER ANNOTATED	Summary: This broad response/development annotation is weakly connected to direct RARA function and likely overstates downstream context-specific biology. Reason: The core evidence supports direct nuclear receptor transcriptional regulation. Broad organismal or stimulus-response terms should be used cautiously unless direct RARA targets and cell context are shown. Supporting Evidence: file:human/RARA/RARA-deep-research-falcon.md many transcriptomic or phenotypic outcomes in RA-treated cells reflect indirect downstream programs (e.g., differentiation cascades) rather than direct RARα DNA binding; IDA evidence for MF/CC (structure, EMSA, cofactor recruitment assays) is stronger than broad BP assertions unless direct targets are shown.
GO:1901363 heterocyclic compound binding	IEA GO_REF:0000107	MODIFY	Summary: The generic heterocyclic compound binding term should be replaced by retinoic acid binding. Reason: The relevant ligand is retinoic acid/retinoids, not heterocyclic compounds broadly. Proposed replacements: retinoic acid binding Supporting Evidence: file:human/RARA/RARA-deep-research-falcon.md RARA encodes RARα, a ligand-activated nuclear receptor that functions as a sequence-specific DNA-binding transcription factor. RARα typically acts as a heterodimer with retinoid X receptor (RXR) on retinoic acid response elements (RAREs), classically composed of direct repeats of the hexamer PuG(G/T)TCA spaced by 1–5 bp (e.g., DR5, DR2, DR1). file:human/RARA/RARA-deep-research-falcon.md RARα supports a canonical nuclear-receptor cofactor “switch” mechanism: in the absence of ligand, RARα/RXR bound on DNA recruits corepressors such as NCoR/SMRT that are associated with histone deacetylase (HDAC) activity and transcriptional repression; upon retinoid agonist binding, ligand-induced conformational changes (notably involving AF-2/helix 12 in the ligand-binding domain) destabilize corepressor binding and favor recruitment of coactivators (e.g., p160/SRC family, CBP/p300, Mediator/DRIP/TRAP components), enabling transcriptional activation of retinoid-responsive genes.
GO:0005654 nucleoplasm	IDA GO_REF:0000052	KEEP AS NON CORE	Summary: Supported nuclear subcompartment localization, but nucleoplasm is less informative than nucleus/chromatin for the core function. Reason: Nucleoplasm localization is compatible with RARA biology, but the curatable core location is nuclear/chromatin-associated transcription factor activity. Supporting Evidence: file:human/RARA/RARA-deep-research-falcon.md RARα is primarily described as nuclear and chromatin-associated through binding to promoter/enhancer RAREs; nucleosomes do not necessarily preclude binding.
GO:0005730 nucleolus	IDA GO_REF:0000052	KEEP AS NON CORE	Summary: Nucleolus localization is not central to RARA function and is retained only as a non-core localization if experimentally observed. Reason: The synthesized evidence emphasizes nucleus and chromatin rather than nucleolus as the functionally meaningful location. Supporting Evidence: file:human/RARA/RARA-deep-research-falcon.md RARα is primarily described as nuclear and chromatin-associated through binding to promoter/enhancer RAREs; nucleosomes do not necessarily preclude binding.
GO:0005829 cytosol	IDA GO_REF:0000052	KEEP AS NON CORE	Summary: Supported or plausible cytoplasmic/perinuclear pool, but non-core relative to nuclear/chromatin transcriptional regulation. Reason: RARA can have cytoplasmic or regulated translocation pools, but direct GO-core function occurs as a nuclear/chromatin-associated transcription factor. Supporting Evidence: file:human/RARA/RARA-deep-research-falcon.md RARα is primarily described as nuclear and chromatin-associated through binding to promoter/enhancer RAREs; nucleosomes do not necessarily preclude binding.
GO:0042789 mRNA transcription by RNA polymerase II	IDA PMID:1310351 Retinoid X receptor interacts with nuclear receptors in reti...	MODIFY	Summary: RARA regulates RNA polymerase II transcription rather than directly carrying out mRNA synthesis. Reason: The evidence supports RARA as a transcriptional regulator, not as the polymerase machinery. Positive and negative regulation of RNA polymerase II transcription are better terms. Proposed replacements: positive regulation of transcription by RNA polymerase II negative regulation of transcription by RNA polymerase II Supporting Evidence: file:human/RARA/RARA-deep-research-falcon.md RARα supports a canonical nuclear-receptor cofactor “switch” mechanism: in the absence of ligand, RARα/RXR bound on DNA recruits corepressors such as NCoR/SMRT that are associated with histone deacetylase (HDAC) activity and transcriptional repression; upon retinoid agonist binding, ligand-induced conformational changes (notably involving AF-2/helix 12 in the ligand-binding domain) destabilize corepressor binding and favor recruitment of coactivators (e.g., p160/SRC family, CBP/p300, Mediator/DRIP/TRAP components), enabling transcriptional activation of retinoid-responsive genes. file:human/RARA/RARA-deep-research-falcon.md RARα is a core effector of retinoic acid signaling, transducing ligand binding into activation or repression of RA-responsive transcriptional programs.
GO:0042789 mRNA transcription by RNA polymerase II	NAS PMID:9430642 The coactivator TIF2 contains three nuclear receptor-binding...	MODIFY	Summary: RARA regulates RNA polymerase II transcription rather than directly carrying out mRNA synthesis. Reason: The evidence supports RARA as a transcriptional regulator, not as the polymerase machinery. Positive and negative regulation of RNA polymerase II transcription are better terms. Proposed replacements: positive regulation of transcription by RNA polymerase II negative regulation of transcription by RNA polymerase II Supporting Evidence: file:human/RARA/RARA-deep-research-falcon.md RARα supports a canonical nuclear-receptor cofactor “switch” mechanism: in the absence of ligand, RARα/RXR bound on DNA recruits corepressors such as NCoR/SMRT that are associated with histone deacetylase (HDAC) activity and transcriptional repression; upon retinoid agonist binding, ligand-induced conformational changes (notably involving AF-2/helix 12 in the ligand-binding domain) destabilize corepressor binding and favor recruitment of coactivators (e.g., p160/SRC family, CBP/p300, Mediator/DRIP/TRAP components), enabling transcriptional activation of retinoid-responsive genes. file:human/RARA/RARA-deep-research-falcon.md RARα is a core effector of retinoic acid signaling, transducing ligand binding into activation or repression of RA-responsive transcriptional programs.
GO:0045944 positive regulation of transcription by RNA polymerase II	IDA PMID:9430642 The coactivator TIF2 contains three nuclear receptor-binding...	ACCEPT	Summary: Supported core activating mode of RARA-mediated RNA polymerase II transcription regulation. Reason: Ligand-bound RARA-RXR recruits coactivators and activates retinoid-responsive RNA polymerase II target genes. Supporting Evidence: file:human/RARA/RARA-deep-research-falcon.md Ligand binding can drive coactivator recruitment to RARα complexes. file:human/RARA/RARA-deep-research-falcon.md RARα supports a canonical nuclear-receptor cofactor “switch” mechanism: in the absence of ligand, RARα/RXR bound on DNA recruits corepressors such as NCoR/SMRT that are associated with histone deacetylase (HDAC) activity and transcriptional repression; upon retinoid agonist binding, ligand-induced conformational changes (notably involving AF-2/helix 12 in the ligand-binding domain) destabilize corepressor binding and favor recruitment of coactivators (e.g., p160/SRC family, CBP/p300, Mediator/DRIP/TRAP components), enabling transcriptional activation of retinoid-responsive genes. file:human/RARA/RARA-deep-research-falcon.md RARα is a core effector of retinoic acid signaling, transducing ligand binding into activation or repression of RA-responsive transcriptional programs.
GO:0000785 chromatin	IDA PMID:2825025 A human retinoic acid receptor which belongs to the family o...	ACCEPT	Summary: Core chromatin-associated localization/function at retinoid-responsive regulatory regions. Reason: RARA binds RAREs in chromatin and functions as part of chromatin-associated activating or repressive transcriptional complexes. Supporting Evidence: file:human/RARA/RARA-deep-research-falcon.md RARα is primarily described as nuclear and chromatin-associated through binding to promoter/enhancer RAREs; nucleosomes do not necessarily preclude binding. file:human/RARA/RARA-deep-research-falcon.md RARα binds RAREs primarily as an RXR heterodimer. Structural and biochemical evidence includes a 1.7 Å crystal structure of RXR and RAR DNA-binding domains (DBDs) assembled on a DR1 element that shows RAR bound to the upstream (5′) half-site and RXR bound downstream (3′), i.e., reverse polarity compared with other RXR heterodimers.
GO:0004879 nuclear receptor activity	IDA PMID:2825025 A human retinoic acid receptor which belongs to the family o...	ACCEPT	Summary: Core molecular function: RARA is a retinoic-acid-binding nuclear receptor transcription factor. Reason: Nuclear receptor activity is the central molecular function of RARA, integrating retinoid ligand binding, RXR heterodimerization, RARE binding, and transcriptional regulation. Supporting Evidence: file:human/RARA/RARA-deep-research-falcon.md RARA encodes RARα, a ligand-activated nuclear receptor that functions as a sequence-specific DNA-binding transcription factor. RARα typically acts as a heterodimer with retinoid X receptor (RXR) on retinoic acid response elements (RAREs), classically composed of direct repeats of the hexamer PuG(G/T)TCA spaced by 1–5 bp (e.g., DR5, DR2, DR1). file:human/RARA/RARA-deep-research-falcon.md RARα supports a canonical nuclear-receptor cofactor “switch” mechanism: in the absence of ligand, RARα/RXR bound on DNA recruits corepressors such as NCoR/SMRT that are associated with histone deacetylase (HDAC) activity and transcriptional repression; upon retinoid agonist binding, ligand-induced conformational changes (notably involving AF-2/helix 12 in the ligand-binding domain) destabilize corepressor binding and favor recruitment of coactivators (e.g., p160/SRC family, CBP/p300, Mediator/DRIP/TRAP components), enabling transcriptional activation of retinoid-responsive genes.
GO:0005886 plasma membrane	IDA PMID:2825025 A human retinoic acid receptor which belongs to the family o...	MARK AS OVER ANNOTATED	Summary: This localization is over-emphasized relative to the core nuclear/chromatin RARA function. Reason: RARA is primarily nuclear/chromatin-associated. Dendrite or plasma membrane annotations may reflect specialized or indirect contexts but do not represent the core function. Supporting Evidence: file:human/RARA/RARA-deep-research-falcon.md RARα is primarily described as nuclear and chromatin-associated through binding to promoter/enhancer RAREs; nucleosomes do not necessarily preclude binding. file:human/RARA/RARA-deep-research-falcon.md many transcriptomic or phenotypic outcomes in RA-treated cells reflect indirect downstream programs (e.g., differentiation cascades) rather than direct RARα DNA binding; IDA evidence for MF/CC (structure, EMSA, cofactor recruitment assays) is stronger than broad BP assertions unless direct targets are shown.
GO:0048384 retinoic acid receptor signaling pathway	IDA PMID:2825025 A human retinoic acid receptor which belongs to the family o...	ACCEPT	Summary: Core biological process: RARA mediates retinoic acid receptor signaling through ligand-dependent transcriptional regulation. Reason: Retinoic acid receptor signaling is the direct pathway in which RARA transduces retinoid ligand binding into RARE-bound transcriptional regulation. Supporting Evidence: file:human/RARA/RARA-deep-research-falcon.md RARA encodes RARα, a ligand-activated nuclear receptor that functions as a sequence-specific DNA-binding transcription factor. RARα typically acts as a heterodimer with retinoid X receptor (RXR) on retinoic acid response elements (RAREs), classically composed of direct repeats of the hexamer PuG(G/T)TCA spaced by 1–5 bp (e.g., DR5, DR2, DR1). file:human/RARA/RARA-deep-research-falcon.md RARα is a core effector of retinoic acid signaling, transducing ligand binding into activation or repression of RA-responsive transcriptional programs.
GO:0005654 nucleoplasm	TAS Reactome:R-HSA-4341072	KEEP AS NON CORE	Summary: Supported nuclear subcompartment localization, but nucleoplasm is less informative than nucleus/chromatin for the core function. Reason: Nucleoplasm localization is compatible with RARA biology, but the curatable core location is nuclear/chromatin-associated transcription factor activity. Supporting Evidence: file:human/RARA/RARA-deep-research-falcon.md RARα is primarily described as nuclear and chromatin-associated through binding to promoter/enhancer RAREs; nucleosomes do not necessarily preclude binding.
GO:0000978 RNA polymerase II cis-regulatory region sequence-specific DNA binding	IDA PMID:21131358 Induction of miR-21 by retinoic acid in estrogen receptor-po...	ACCEPT	Summary: Core sequence-specific DNA/RARE binding function of the RARA-RXR transcription factor complex. Reason: RARA binds retinoic acid response elements, primarily as an RXR heterodimer, and this DNA binding is central to its transcriptional regulatory function. Supporting Evidence: file:human/RARA/RARA-deep-research-falcon.md RARA encodes RARα, a ligand-activated nuclear receptor that functions as a sequence-specific DNA-binding transcription factor. RARα typically acts as a heterodimer with retinoid X receptor (RXR) on retinoic acid response elements (RAREs), classically composed of direct repeats of the hexamer PuG(G/T)TCA spaced by 1–5 bp (e.g., DR5, DR2, DR1). file:human/RARA/RARA-deep-research-falcon.md RARα binds RAREs primarily as an RXR heterodimer. Structural and biochemical evidence includes a 1.7 Å crystal structure of RXR and RAR DNA-binding domains (DBDs) assembled on a DR1 element that shows RAR bound to the upstream (5′) half-site and RXR bound downstream (3′), i.e., reverse polarity compared with other RXR heterodimers.
GO:0000978 RNA polymerase II cis-regulatory region sequence-specific DNA binding	IMP PMID:28122350 Transcriptional suppression of microRNA-27a contributes to l...	ACCEPT	Summary: Core sequence-specific DNA/RARE binding function of the RARA-RXR transcription factor complex. Reason: RARA binds retinoic acid response elements, primarily as an RXR heterodimer, and this DNA binding is central to its transcriptional regulatory function. Supporting Evidence: file:human/RARA/RARA-deep-research-falcon.md RARA encodes RARα, a ligand-activated nuclear receptor that functions as a sequence-specific DNA-binding transcription factor. RARα typically acts as a heterodimer with retinoid X receptor (RXR) on retinoic acid response elements (RAREs), classically composed of direct repeats of the hexamer PuG(G/T)TCA spaced by 1–5 bp (e.g., DR5, DR2, DR1). file:human/RARA/RARA-deep-research-falcon.md RARα binds RAREs primarily as an RXR heterodimer. Structural and biochemical evidence includes a 1.7 Å crystal structure of RXR and RAR DNA-binding domains (DBDs) assembled on a DR1 element that shows RAR bound to the upstream (5′) half-site and RXR bound downstream (3′), i.e., reverse polarity compared with other RXR heterodimers.
GO:0001217 DNA-binding transcription repressor activity	IMP PMID:28122350 Transcriptional suppression of microRNA-27a contributes to l...	ACCEPT	Summary: Supported transcription repressor activity in the unliganded/corepressor-bound RARA-RXR state. Reason: Unliganded DNA-bound RARA-RXR recruits NCoR/SMRT/HDAC corepressor machinery and can function as a transcriptional repressor. Supporting Evidence: file:human/RARA/RARA-deep-research-falcon.md RARα/RXR complexes bound to RAREs recruit NCoR/SMRT corepressors linked to HDAC activity, supporting a mechanistic basis for ligand-modulated transcriptional repression. file:human/RARA/RARA-deep-research-falcon.md RARα supports a canonical nuclear-receptor cofactor “switch” mechanism: in the absence of ligand, RARα/RXR bound on DNA recruits corepressors such as NCoR/SMRT that are associated with histone deacetylase (HDAC) activity and transcriptional repression; upon retinoid agonist binding, ligand-induced conformational changes (notably involving AF-2/helix 12 in the ligand-binding domain) destabilize corepressor binding and favor recruitment of coactivators (e.g., p160/SRC family, CBP/p300, Mediator/DRIP/TRAP components), enabling transcriptional activation of retinoid-responsive genes.
GO:0071300 cellular response to retinoic acid	IMP PMID:28122350 Transcriptional suppression of microRNA-27a contributes to l...	KEEP AS NON CORE	Summary: Supported retinoid/vitamin A response annotation, but broader than the direct RARA receptor signaling pathway. Reason: RARA is a direct mediator of retinoic acid signaling. General cellular response terms are valid but less precise than retinoic acid receptor signaling and transcriptional regulation. Supporting Evidence: file:human/RARA/RARA-deep-research-falcon.md RARA encodes RARα, a ligand-activated nuclear receptor that functions as a sequence-specific DNA-binding transcription factor. RARα typically acts as a heterodimer with retinoid X receptor (RXR) on retinoic acid response elements (RAREs), classically composed of direct repeats of the hexamer PuG(G/T)TCA spaced by 1–5 bp (e.g., DR5, DR2, DR1). file:human/RARA/RARA-deep-research-falcon.md RARα is a core effector of retinoic acid signaling, transducing ligand binding into activation or repression of RA-responsive transcriptional programs.
GO:1902894 negative regulation of miRNA transcription	IMP PMID:28122350 Transcriptional suppression of microRNA-27a contributes to l...	KEEP AS NON CORE	Summary: Supported miRNA-transcription repression in a specific cancer/differentiation model, but non-core relative to direct RARA receptor activity. Reason: The annotation reflects a particular downstream transcriptional program; the core process remains DNA-bound retinoid receptor signaling. Supporting Evidence: file:human/RARA/RARA-deep-research-falcon.md many transcriptomic or phenotypic outcomes in RA-treated cells reflect indirect downstream programs (e.g., differentiation cascades) rather than direct RARα DNA binding; IDA evidence for MF/CC (structure, EMSA, cofactor recruitment assays) is stronger than broad BP assertions unless direct targets are shown. file:human/RARA/RARA-deep-research-falcon.md RARα supports a canonical nuclear-receptor cofactor “switch” mechanism: in the absence of ligand, RARα/RXR bound on DNA recruits corepressors such as NCoR/SMRT that are associated with histone deacetylase (HDAC) activity and transcriptional repression; upon retinoid agonist binding, ligand-induced conformational changes (notably involving AF-2/helix 12 in the ligand-binding domain) destabilize corepressor binding and favor recruitment of coactivators (e.g., p160/SRC family, CBP/p300, Mediator/DRIP/TRAP components), enabling transcriptional activation of retinoid-responsive genes.
GO:0001223 transcription coactivator binding	IPI PMID:17641689 MED25 is distinct from TRAP220/MED1 in cooperating with CBP ...	KEEP AS NON CORE	Summary: Supported coactivator/corepressor binding mechanism, but binding terms are secondary to the core receptor transcription-factor activity. Reason: RARA uses cofactor binding to switch between repression and activation, but the core function is ligand-dependent DNA-bound transcriptional regulation. Supporting Evidence: file:human/RARA/RARA-deep-research-falcon.md RARα supports a canonical nuclear-receptor cofactor “switch” mechanism: in the absence of ligand, RARα/RXR bound on DNA recruits corepressors such as NCoR/SMRT that are associated with histone deacetylase (HDAC) activity and transcriptional repression; upon retinoid agonist binding, ligand-induced conformational changes (notably involving AF-2/helix 12 in the ligand-binding domain) destabilize corepressor binding and favor recruitment of coactivators (e.g., p160/SRC family, CBP/p300, Mediator/DRIP/TRAP components), enabling transcriptional activation of retinoid-responsive genes. file:human/RARA/RARA-deep-research-falcon.md Ligand binding can drive coactivator recruitment to RARα complexes. file:human/RARA/RARA-deep-research-falcon.md RARα/RXR complexes bound to RAREs recruit NCoR/SMRT corepressors linked to HDAC activity, supporting a mechanistic basis for ligand-modulated transcriptional repression.
GO:0045944 positive regulation of transcription by RNA polymerase II	IDA PMID:21131358 Induction of miR-21 by retinoic acid in estrogen receptor-po...	ACCEPT	Summary: Supported core activating mode of RARA-mediated RNA polymerase II transcription regulation. Reason: Ligand-bound RARA-RXR recruits coactivators and activates retinoid-responsive RNA polymerase II target genes. Supporting Evidence: file:human/RARA/RARA-deep-research-falcon.md Ligand binding can drive coactivator recruitment to RARα complexes. file:human/RARA/RARA-deep-research-falcon.md RARα supports a canonical nuclear-receptor cofactor “switch” mechanism: in the absence of ligand, RARα/RXR bound on DNA recruits corepressors such as NCoR/SMRT that are associated with histone deacetylase (HDAC) activity and transcriptional repression; upon retinoid agonist binding, ligand-induced conformational changes (notably involving AF-2/helix 12 in the ligand-binding domain) destabilize corepressor binding and favor recruitment of coactivators (e.g., p160/SRC family, CBP/p300, Mediator/DRIP/TRAP components), enabling transcriptional activation of retinoid-responsive genes. file:human/RARA/RARA-deep-research-falcon.md RARα is a core effector of retinoic acid signaling, transducing ligand binding into activation or repression of RA-responsive transcriptional programs.
GO:1990837 sequence-specific double-stranded DNA binding	IDA PMID:28473536 Impact of cytosine methylation on DNA binding specificities ...	ACCEPT	Summary: Core sequence-specific DNA/RARE binding function of the RARA-RXR transcription factor complex. Reason: RARA binds retinoic acid response elements, primarily as an RXR heterodimer, and this DNA binding is central to its transcriptional regulatory function. Supporting Evidence: file:human/RARA/RARA-deep-research-falcon.md RARA encodes RARα, a ligand-activated nuclear receptor that functions as a sequence-specific DNA-binding transcription factor. RARα typically acts as a heterodimer with retinoid X receptor (RXR) on retinoic acid response elements (RAREs), classically composed of direct repeats of the hexamer PuG(G/T)TCA spaced by 1–5 bp (e.g., DR5, DR2, DR1). file:human/RARA/RARA-deep-research-falcon.md RARα binds RAREs primarily as an RXR heterodimer. Structural and biochemical evidence includes a 1.7 Å crystal structure of RXR and RAR DNA-binding domains (DBDs) assembled on a DR1 element that shows RAR bound to the upstream (5′) half-site and RXR bound downstream (3′), i.e., reverse polarity compared with other RXR heterodimers.
GO:0000977 RNA polymerase II transcription regulatory region sequence-specific DNA binding	IDA PMID:19917671 Loss of CAK phosphorylation of RAR{alpha} mediates transcrip...	ACCEPT	Summary: Core sequence-specific DNA/RARE binding function of the RARA-RXR transcription factor complex. Reason: RARA binds retinoic acid response elements, primarily as an RXR heterodimer, and this DNA binding is central to its transcriptional regulatory function. Supporting Evidence: file:human/RARA/RARA-deep-research-falcon.md RARA encodes RARα, a ligand-activated nuclear receptor that functions as a sequence-specific DNA-binding transcription factor. RARα typically acts as a heterodimer with retinoid X receptor (RXR) on retinoic acid response elements (RAREs), classically composed of direct repeats of the hexamer PuG(G/T)TCA spaced by 1–5 bp (e.g., DR5, DR2, DR1). file:human/RARA/RARA-deep-research-falcon.md RARα binds RAREs primarily as an RXR heterodimer. Structural and biochemical evidence includes a 1.7 Å crystal structure of RXR and RAR DNA-binding domains (DBDs) assembled on a DR1 element that shows RAR bound to the upstream (5′) half-site and RXR bound downstream (3′), i.e., reverse polarity compared with other RXR heterodimers.
GO:0000978 RNA polymerase II cis-regulatory region sequence-specific DNA binding	IDA PMID:20080953 Cooperative interaction between retinoic acid receptor-alpha...	ACCEPT	Summary: Core sequence-specific DNA/RARE binding function of the RARA-RXR transcription factor complex. Reason: RARA binds retinoic acid response elements, primarily as an RXR heterodimer, and this DNA binding is central to its transcriptional regulatory function. Supporting Evidence: file:human/RARA/RARA-deep-research-falcon.md RARA encodes RARα, a ligand-activated nuclear receptor that functions as a sequence-specific DNA-binding transcription factor. RARα typically acts as a heterodimer with retinoid X receptor (RXR) on retinoic acid response elements (RAREs), classically composed of direct repeats of the hexamer PuG(G/T)TCA spaced by 1–5 bp (e.g., DR5, DR2, DR1). file:human/RARA/RARA-deep-research-falcon.md RARα binds RAREs primarily as an RXR heterodimer. Structural and biochemical evidence includes a 1.7 Å crystal structure of RXR and RAR DNA-binding domains (DBDs) assembled on a DR1 element that shows RAR bound to the upstream (5′) half-site and RXR bound downstream (3′), i.e., reverse polarity compared with other RXR heterodimers.
GO:0003682 chromatin binding	IDA PMID:20080953 Cooperative interaction between retinoic acid receptor-alpha...	ACCEPT	Summary: Core chromatin-associated localization/function at retinoid-responsive regulatory regions. Reason: RARA binds RAREs in chromatin and functions as part of chromatin-associated activating or repressive transcriptional complexes. Supporting Evidence: file:human/RARA/RARA-deep-research-falcon.md RARα is primarily described as nuclear and chromatin-associated through binding to promoter/enhancer RAREs; nucleosomes do not necessarily preclude binding. file:human/RARA/RARA-deep-research-falcon.md RARα binds RAREs primarily as an RXR heterodimer. Structural and biochemical evidence includes a 1.7 Å crystal structure of RXR and RAR DNA-binding domains (DBDs) assembled on a DR1 element that shows RAR bound to the upstream (5′) half-site and RXR bound downstream (3′), i.e., reverse polarity compared with other RXR heterodimers.
GO:0032991 protein-containing complex	IDA PMID:19917671 Loss of CAK phosphorylation of RAR{alpha} mediates transcrip...	MODIFY	Summary: The generic protein-containing complex term should be narrowed to RNA polymerase II transcription regulator complex. Reason: The meaningful complex context is a nuclear receptor transcription regulator complex, not protein-containing complex as a generic parent. Proposed replacements: RNA polymerase II transcription regulator complex Supporting Evidence: file:human/RARA/RARA-deep-research-falcon.md RARα supports a canonical nuclear-receptor cofactor “switch” mechanism: in the absence of ligand, RARα/RXR bound on DNA recruits corepressors such as NCoR/SMRT that are associated with histone deacetylase (HDAC) activity and transcriptional repression; upon retinoid agonist binding, ligand-induced conformational changes (notably involving AF-2/helix 12 in the ligand-binding domain) destabilize corepressor binding and favor recruitment of coactivators (e.g., p160/SRC family, CBP/p300, Mediator/DRIP/TRAP components), enabling transcriptional activation of retinoid-responsive genes. file:human/RARA/RARA-uniprot.txt ComplexPortal; CPX-508; RXRalpha-RARalpha retinoic acid receptor complex.
GO:0032991 protein-containing complex	IDA PMID:20080953 Cooperative interaction between retinoic acid receptor-alpha...	MODIFY	Summary: The generic protein-containing complex term should be narrowed to RNA polymerase II transcription regulator complex. Reason: The meaningful complex context is a nuclear receptor transcription regulator complex, not protein-containing complex as a generic parent. Proposed replacements: RNA polymerase II transcription regulator complex Supporting Evidence: file:human/RARA/RARA-deep-research-falcon.md RARα supports a canonical nuclear-receptor cofactor “switch” mechanism: in the absence of ligand, RARα/RXR bound on DNA recruits corepressors such as NCoR/SMRT that are associated with histone deacetylase (HDAC) activity and transcriptional repression; upon retinoid agonist binding, ligand-induced conformational changes (notably involving AF-2/helix 12 in the ligand-binding domain) destabilize corepressor binding and favor recruitment of coactivators (e.g., p160/SRC family, CBP/p300, Mediator/DRIP/TRAP components), enabling transcriptional activation of retinoid-responsive genes. file:human/RARA/RARA-uniprot.txt ComplexPortal; CPX-508; RXRalpha-RARalpha retinoic acid receptor complex.
GO:0048384 retinoic acid receptor signaling pathway	IDA PMID:19917671 Loss of CAK phosphorylation of RAR{alpha} mediates transcrip...	ACCEPT	Summary: Core biological process: RARA mediates retinoic acid receptor signaling through ligand-dependent transcriptional regulation. Reason: Retinoic acid receptor signaling is the direct pathway in which RARA transduces retinoid ligand binding into RARE-bound transcriptional regulation. Supporting Evidence: file:human/RARA/RARA-deep-research-falcon.md RARA encodes RARα, a ligand-activated nuclear receptor that functions as a sequence-specific DNA-binding transcription factor. RARα typically acts as a heterodimer with retinoid X receptor (RXR) on retinoic acid response elements (RAREs), classically composed of direct repeats of the hexamer PuG(G/T)TCA spaced by 1–5 bp (e.g., DR5, DR2, DR1). file:human/RARA/RARA-deep-research-falcon.md RARα is a core effector of retinoic acid signaling, transducing ligand binding into activation or repression of RA-responsive transcriptional programs.
GO:0045944 positive regulation of transcription by RNA polymerase II	IDA PMID:19917671 Loss of CAK phosphorylation of RAR{alpha} mediates transcrip...	ACCEPT	Summary: Supported core activating mode of RARA-mediated RNA polymerase II transcription regulation. Reason: Ligand-bound RARA-RXR recruits coactivators and activates retinoid-responsive RNA polymerase II target genes. Supporting Evidence: file:human/RARA/RARA-deep-research-falcon.md Ligand binding can drive coactivator recruitment to RARα complexes. file:human/RARA/RARA-deep-research-falcon.md RARα supports a canonical nuclear-receptor cofactor “switch” mechanism: in the absence of ligand, RARα/RXR bound on DNA recruits corepressors such as NCoR/SMRT that are associated with histone deacetylase (HDAC) activity and transcriptional repression; upon retinoid agonist binding, ligand-induced conformational changes (notably involving AF-2/helix 12 in the ligand-binding domain) destabilize corepressor binding and favor recruitment of coactivators (e.g., p160/SRC family, CBP/p300, Mediator/DRIP/TRAP components), enabling transcriptional activation of retinoid-responsive genes. file:human/RARA/RARA-deep-research-falcon.md RARα is a core effector of retinoic acid signaling, transducing ligand binding into activation or repression of RA-responsive transcriptional programs.
GO:0000785 chromatin	IDA PMID:21131358 Induction of miR-21 by retinoic acid in estrogen receptor-po...	ACCEPT	Summary: Core chromatin-associated localization/function at retinoid-responsive regulatory regions. Reason: RARA binds RAREs in chromatin and functions as part of chromatin-associated activating or repressive transcriptional complexes. Supporting Evidence: file:human/RARA/RARA-deep-research-falcon.md RARα is primarily described as nuclear and chromatin-associated through binding to promoter/enhancer RAREs; nucleosomes do not necessarily preclude binding. file:human/RARA/RARA-deep-research-falcon.md RARα binds RAREs primarily as an RXR heterodimer. Structural and biochemical evidence includes a 1.7 Å crystal structure of RXR and RAR DNA-binding domains (DBDs) assembled on a DR1 element that shows RAR bound to the upstream (5′) half-site and RXR bound downstream (3′), i.e., reverse polarity compared with other RXR heterodimers.
GO:0004879 nuclear receptor activity	IDA PMID:21131358 Induction of miR-21 by retinoic acid in estrogen receptor-po...	ACCEPT	Summary: Core molecular function: RARA is a retinoic-acid-binding nuclear receptor transcription factor. Reason: Nuclear receptor activity is the central molecular function of RARA, integrating retinoid ligand binding, RXR heterodimerization, RARE binding, and transcriptional regulation. Supporting Evidence: file:human/RARA/RARA-deep-research-falcon.md RARA encodes RARα, a ligand-activated nuclear receptor that functions as a sequence-specific DNA-binding transcription factor. RARα typically acts as a heterodimer with retinoid X receptor (RXR) on retinoic acid response elements (RAREs), classically composed of direct repeats of the hexamer PuG(G/T)TCA spaced by 1–5 bp (e.g., DR5, DR2, DR1). file:human/RARA/RARA-deep-research-falcon.md RARα supports a canonical nuclear-receptor cofactor “switch” mechanism: in the absence of ligand, RARα/RXR bound on DNA recruits corepressors such as NCoR/SMRT that are associated with histone deacetylase (HDAC) activity and transcriptional repression; upon retinoid agonist binding, ligand-induced conformational changes (notably involving AF-2/helix 12 in the ligand-binding domain) destabilize corepressor binding and favor recruitment of coactivators (e.g., p160/SRC family, CBP/p300, Mediator/DRIP/TRAP components), enabling transcriptional activation of retinoid-responsive genes.
GO:0000785 chromatin	ISA GO_REF:0000113	ACCEPT	Summary: Core chromatin-associated localization/function at retinoid-responsive regulatory regions. Reason: RARA binds RAREs in chromatin and functions as part of chromatin-associated activating or repressive transcriptional complexes. Supporting Evidence: file:human/RARA/RARA-deep-research-falcon.md RARα is primarily described as nuclear and chromatin-associated through binding to promoter/enhancer RAREs; nucleosomes do not necessarily preclude binding. file:human/RARA/RARA-deep-research-falcon.md RARα binds RAREs primarily as an RXR heterodimer. Structural and biochemical evidence includes a 1.7 Å crystal structure of RXR and RAR DNA-binding domains (DBDs) assembled on a DR1 element that shows RAR bound to the upstream (5′) half-site and RXR bound downstream (3′), i.e., reverse polarity compared with other RXR heterodimers.
GO:0000981 DNA-binding transcription factor activity, RNA polymerase II-specific	ISA GO_REF:0000113	ACCEPT	Summary: Core RNA polymerase II-specific DNA-binding transcription factor activity. Reason: This term captures RARA as a sequence-specific nuclear receptor transcription factor acting on RNA polymerase II target genes. Supporting Evidence: file:human/RARA/RARA-deep-research-falcon.md RARA encodes RARα, a ligand-activated nuclear receptor that functions as a sequence-specific DNA-binding transcription factor. file:human/RARA/RARA-deep-research-falcon.md RARα is a core effector of retinoic acid signaling, transducing ligand binding into activation or repression of RA-responsive transcriptional programs.
GO:0051393 alpha-actinin binding	IPI PMID:22351778 Familial focal segmental glomerulosclerosis (FSGS)-linked α-...	KEEP AS NON CORE	Summary: Supported specific regulatory protein interaction, but non-core relative to RARA nuclear receptor activity. Reason: These kinase or cytoskeletal interactions can modulate RARA transcriptional activity in particular contexts, but they should not define the core function. Supporting Evidence: file:human/RARA/RARA-deep-research-falcon.md many transcriptomic or phenotypic outcomes in RA-treated cells reflect indirect downstream programs (e.g., differentiation cascades) rather than direct RARα DNA binding; IDA evidence for MF/CC (structure, EMSA, cofactor recruitment assays) is stronger than broad BP assertions unless direct targets are shown. PMID:16417524 Akt, which is constitutively activated in NSCLC cells, phosphorylates RARalpha and inhibits its transactivation.
GO:0005654 nucleoplasm	TAS Reactome:R-HSA-5334854	KEEP AS NON CORE	Summary: Supported nuclear subcompartment localization, but nucleoplasm is less informative than nucleus/chromatin for the core function. Reason: Nucleoplasm localization is compatible with RARA biology, but the curatable core location is nuclear/chromatin-associated transcription factor activity. Supporting Evidence: file:human/RARA/RARA-deep-research-falcon.md RARα is primarily described as nuclear and chromatin-associated through binding to promoter/enhancer RAREs; nucleosomes do not necessarily preclude binding.
GO:0005654 nucleoplasm	TAS Reactome:R-HSA-5634103	KEEP AS NON CORE	Summary: Supported nuclear subcompartment localization, but nucleoplasm is less informative than nucleus/chromatin for the core function. Reason: Nucleoplasm localization is compatible with RARA biology, but the curatable core location is nuclear/chromatin-associated transcription factor activity. Supporting Evidence: file:human/RARA/RARA-deep-research-falcon.md RARα is primarily described as nuclear and chromatin-associated through binding to promoter/enhancer RAREs; nucleosomes do not necessarily preclude binding.
GO:0005654 nucleoplasm	TAS Reactome:R-HSA-9009817	KEEP AS NON CORE	Summary: Supported nuclear subcompartment localization, but nucleoplasm is less informative than nucleus/chromatin for the core function. Reason: Nucleoplasm localization is compatible with RARA biology, but the curatable core location is nuclear/chromatin-associated transcription factor activity. Supporting Evidence: file:human/RARA/RARA-deep-research-falcon.md RARα is primarily described as nuclear and chromatin-associated through binding to promoter/enhancer RAREs; nucleosomes do not necessarily preclude binding.
GO:0005654 nucleoplasm	TAS Reactome:R-HSA-376419	KEEP AS NON CORE	Summary: Supported nuclear subcompartment localization, but nucleoplasm is less informative than nucleus/chromatin for the core function. Reason: Nucleoplasm localization is compatible with RARA biology, but the curatable core location is nuclear/chromatin-associated transcription factor activity. Supporting Evidence: file:human/RARA/RARA-deep-research-falcon.md RARα is primarily described as nuclear and chromatin-associated through binding to promoter/enhancer RAREs; nucleosomes do not necessarily preclude binding.
GO:0005654 nucleoplasm	TAS Reactome:R-HSA-382096	KEEP AS NON CORE	Summary: Supported nuclear subcompartment localization, but nucleoplasm is less informative than nucleus/chromatin for the core function. Reason: Nucleoplasm localization is compatible with RARA biology, but the curatable core location is nuclear/chromatin-associated transcription factor activity. Supporting Evidence: file:human/RARA/RARA-deep-research-falcon.md RARα is primarily described as nuclear and chromatin-associated through binding to promoter/enhancer RAREs; nucleosomes do not necessarily preclude binding.
GO:0005654 nucleoplasm	TAS Reactome:R-HSA-9617067	KEEP AS NON CORE	Summary: Supported nuclear subcompartment localization, but nucleoplasm is less informative than nucleus/chromatin for the core function. Reason: Nucleoplasm localization is compatible with RARA biology, but the curatable core location is nuclear/chromatin-associated transcription factor activity. Supporting Evidence: file:human/RARA/RARA-deep-research-falcon.md RARα is primarily described as nuclear and chromatin-associated through binding to promoter/enhancer RAREs; nucleosomes do not necessarily preclude binding.
GO:0005654 nucleoplasm	TAS Reactome:R-HSA-9860125	KEEP AS NON CORE	Summary: Supported nuclear subcompartment localization, but nucleoplasm is less informative than nucleus/chromatin for the core function. Reason: Nucleoplasm localization is compatible with RARA biology, but the curatable core location is nuclear/chromatin-associated transcription factor activity. Supporting Evidence: file:human/RARA/RARA-deep-research-falcon.md RARα is primarily described as nuclear and chromatin-associated through binding to promoter/enhancer RAREs; nucleosomes do not necessarily preclude binding.
GO:0043422 protein kinase B binding	IPI PMID:16417524 Akt phosphorylates and suppresses the transactivation of ret...	KEEP AS NON CORE	Summary: Supported specific regulatory protein interaction, but non-core relative to RARA nuclear receptor activity. Reason: These kinase or cytoskeletal interactions can modulate RARA transcriptional activity in particular contexts, but they should not define the core function. Supporting Evidence: file:human/RARA/RARA-deep-research-falcon.md many transcriptomic or phenotypic outcomes in RA-treated cells reflect indirect downstream programs (e.g., differentiation cascades) rather than direct RARα DNA binding; IDA evidence for MF/CC (structure, EMSA, cofactor recruitment assays) is stronger than broad BP assertions unless direct targets are shown. PMID:16417524 Akt, which is constitutively activated in NSCLC cells, phosphorylates RARalpha and inhibits its transactivation.
GO:0051018 protein kinase A binding	IDA PMID:20215566 Activity of retinoic acid receptor-alpha is directly regulat...	KEEP AS NON CORE	Summary: Supported specific regulatory protein interaction, but non-core relative to RARA nuclear receptor activity. Reason: These kinase or cytoskeletal interactions can modulate RARA transcriptional activity in particular contexts, but they should not define the core function. Supporting Evidence: file:human/RARA/RARA-deep-research-falcon.md many transcriptomic or phenotypic outcomes in RA-treated cells reflect indirect downstream programs (e.g., differentiation cascades) rather than direct RARα DNA binding; IDA evidence for MF/CC (structure, EMSA, cofactor recruitment assays) is stronger than broad BP assertions unless direct targets are shown. PMID:16417524 Akt, which is constitutively activated in NSCLC cells, phosphorylates RARalpha and inhibits its transactivation.
GO:0000785 chromatin	IDA PMID:17363140 The core component of the mammalian SWI/SNF complex SMARCD3/...	ACCEPT	Summary: Core chromatin-associated localization/function at retinoid-responsive regulatory regions. Reason: RARA binds RAREs in chromatin and functions as part of chromatin-associated activating or repressive transcriptional complexes. Supporting Evidence: file:human/RARA/RARA-deep-research-falcon.md RARα is primarily described as nuclear and chromatin-associated through binding to promoter/enhancer RAREs; nucleosomes do not necessarily preclude binding. file:human/RARA/RARA-deep-research-falcon.md RARα binds RAREs primarily as an RXR heterodimer. Structural and biochemical evidence includes a 1.7 Å crystal structure of RXR and RAR DNA-binding domains (DBDs) assembled on a DR1 element that shows RAR bound to the upstream (5′) half-site and RXR bound downstream (3′), i.e., reverse polarity compared with other RXR heterodimers.
GO:0005515 protein binding	IPI PMID:17363140 The core component of the mammalian SWI/SNF complex SMARCD3/...	MARK AS OVER ANNOTATED	Summary: Protein binding is an uninformative over-annotation for RARA. Reason: RARA has many documented interactions with RXR, coactivators, corepressors, kinases, and disease-associated partners, but GO:0005515 does not describe the functional mechanism. More informative terms cover nuclear receptor activity, RARE binding, transcription regulator complexes, and specific cofactor binding. Supporting Evidence: file:human/RARA/RARA-deep-research-falcon.md RARα supports a canonical nuclear-receptor cofactor “switch” mechanism: in the absence of ligand, RARα/RXR bound on DNA recruits corepressors such as NCoR/SMRT that are associated with histone deacetylase (HDAC) activity and transcriptional repression; upon retinoid agonist binding, ligand-induced conformational changes (notably involving AF-2/helix 12 in the ligand-binding domain) destabilize corepressor binding and favor recruitment of coactivators (e.g., p160/SRC family, CBP/p300, Mediator/DRIP/TRAP components), enabling transcriptional activation of retinoid-responsive genes. file:human/RARA/RARA-deep-research-falcon.md RARA encodes RARα, a ligand-activated nuclear receptor that functions as a sequence-specific DNA-binding transcription factor. RARα typically acts as a heterodimer with retinoid X receptor (RXR) on retinoic acid response elements (RAREs), classically composed of direct repeats of the hexamer PuG(G/T)TCA spaced by 1–5 bp (e.g., DR5, DR2, DR1).
GO:0019899 enzyme binding	IPI PMID:12039952 Identification of protein arginine methyltransferase 2 as a ...	MARK AS OVER ANNOTATED	Summary: Generic binding annotations are over-annotations relative to the informative RARA receptor/cofactor mechanisms. Reason: The evidence supports specific nuclear receptor, DNA-binding, and cofactor-complex mechanisms; generic enzyme/domain binding terms obscure the main function. Supporting Evidence: file:human/RARA/RARA-deep-research-falcon.md RARα supports a canonical nuclear-receptor cofactor “switch” mechanism: in the absence of ligand, RARα/RXR bound on DNA recruits corepressors such as NCoR/SMRT that are associated with histone deacetylase (HDAC) activity and transcriptional repression; upon retinoid agonist binding, ligand-induced conformational changes (notably involving AF-2/helix 12 in the ligand-binding domain) destabilize corepressor binding and favor recruitment of coactivators (e.g., p160/SRC family, CBP/p300, Mediator/DRIP/TRAP components), enabling transcriptional activation of retinoid-responsive genes. file:human/RARA/RARA-deep-research-falcon.md many transcriptomic or phenotypic outcomes in RA-treated cells reflect indirect downstream programs (e.g., differentiation cascades) rather than direct RARα DNA binding; IDA evidence for MF/CC (structure, EMSA, cofactor recruitment assays) is stronger than broad BP assertions unless direct targets are shown.
GO:0044323 retinoic acid-responsive element binding	IDA PMID:19917671 Loss of CAK phosphorylation of RAR{alpha} mediates transcrip...	ACCEPT	Summary: Core sequence-specific DNA/RARE binding function of the RARA-RXR transcription factor complex. Reason: RARA binds retinoic acid response elements, primarily as an RXR heterodimer, and this DNA binding is central to its transcriptional regulatory function. Supporting Evidence: file:human/RARA/RARA-deep-research-falcon.md RARA encodes RARα, a ligand-activated nuclear receptor that functions as a sequence-specific DNA-binding transcription factor. RARα typically acts as a heterodimer with retinoid X receptor (RXR) on retinoic acid response elements (RAREs), classically composed of direct repeats of the hexamer PuG(G/T)TCA spaced by 1–5 bp (e.g., DR5, DR2, DR1). file:human/RARA/RARA-deep-research-falcon.md RARα binds RAREs primarily as an RXR heterodimer. Structural and biochemical evidence includes a 1.7 Å crystal structure of RXR and RAR DNA-binding domains (DBDs) assembled on a DR1 element that shows RAR bound to the upstream (5′) half-site and RXR bound downstream (3′), i.e., reverse polarity compared with other RXR heterodimers.
GO:0019899 enzyme binding	IPI PMID:9628876 Two distinct nuclear receptor interaction domains in NSD1, a...	MARK AS OVER ANNOTATED	Summary: Generic binding annotations are over-annotations relative to the informative RARA receptor/cofactor mechanisms. Reason: The evidence supports specific nuclear receptor, DNA-binding, and cofactor-complex mechanisms; generic enzyme/domain binding terms obscure the main function. Supporting Evidence: file:human/RARA/RARA-deep-research-falcon.md RARα supports a canonical nuclear-receptor cofactor “switch” mechanism: in the absence of ligand, RARα/RXR bound on DNA recruits corepressors such as NCoR/SMRT that are associated with histone deacetylase (HDAC) activity and transcriptional repression; upon retinoid agonist binding, ligand-induced conformational changes (notably involving AF-2/helix 12 in the ligand-binding domain) destabilize corepressor binding and favor recruitment of coactivators (e.g., p160/SRC family, CBP/p300, Mediator/DRIP/TRAP components), enabling transcriptional activation of retinoid-responsive genes. file:human/RARA/RARA-deep-research-falcon.md many transcriptomic or phenotypic outcomes in RA-treated cells reflect indirect downstream programs (e.g., differentiation cascades) rather than direct RARα DNA binding; IDA evidence for MF/CC (structure, EMSA, cofactor recruitment assays) is stronger than broad BP assertions unless direct targets are shown.
GO:0003700 DNA-binding transcription factor activity	IDA PMID:18922886 Retinoic acid-dependent activation of the polycystic kidney ...	MODIFY	Summary: The generic DNA-binding transcription factor term should be narrowed to RARA nuclear receptor/RNA polymerase II transcription factor activity. Reason: RARA is a ligand-activated nuclear receptor and RNA polymerase II transcription factor. The replacement terms capture the specific transcription-factor class and regulatory target. Proposed replacements: nuclear receptor activity DNA-binding transcription factor activity, RNA polymerase II-specific Supporting Evidence: file:human/RARA/RARA-deep-research-falcon.md RARA encodes RARα, a ligand-activated nuclear receptor that functions as a sequence-specific DNA-binding transcription factor. file:human/RARA/RARA-deep-research-falcon.md RARα supports a canonical nuclear-receptor cofactor “switch” mechanism: in the absence of ligand, RARα/RXR bound on DNA recruits corepressors such as NCoR/SMRT that are associated with histone deacetylase (HDAC) activity and transcriptional repression; upon retinoid agonist binding, ligand-induced conformational changes (notably involving AF-2/helix 12 in the ligand-binding domain) destabilize corepressor binding and favor recruitment of coactivators (e.g., p160/SRC family, CBP/p300, Mediator/DRIP/TRAP components), enabling transcriptional activation of retinoid-responsive genes.
GO:0005515 protein binding	IPI PMID:19917671 Loss of CAK phosphorylation of RAR{alpha} mediates transcrip...	MARK AS OVER ANNOTATED	Summary: Protein binding is an uninformative over-annotation for RARA. Reason: RARA has many documented interactions with RXR, coactivators, corepressors, kinases, and disease-associated partners, but GO:0005515 does not describe the functional mechanism. More informative terms cover nuclear receptor activity, RARE binding, transcription regulator complexes, and specific cofactor binding. Supporting Evidence: file:human/RARA/RARA-deep-research-falcon.md RARα supports a canonical nuclear-receptor cofactor “switch” mechanism: in the absence of ligand, RARα/RXR bound on DNA recruits corepressors such as NCoR/SMRT that are associated with histone deacetylase (HDAC) activity and transcriptional repression; upon retinoid agonist binding, ligand-induced conformational changes (notably involving AF-2/helix 12 in the ligand-binding domain) destabilize corepressor binding and favor recruitment of coactivators (e.g., p160/SRC family, CBP/p300, Mediator/DRIP/TRAP components), enabling transcriptional activation of retinoid-responsive genes. file:human/RARA/RARA-deep-research-falcon.md RARA encodes RARα, a ligand-activated nuclear receptor that functions as a sequence-specific DNA-binding transcription factor. RARα typically acts as a heterodimer with retinoid X receptor (RXR) on retinoic acid response elements (RAREs), classically composed of direct repeats of the hexamer PuG(G/T)TCA spaced by 1–5 bp (e.g., DR5, DR2, DR1).
GO:0005634 nucleus	IDA PMID:18845237 Retinoic acid regulates the human methionine sulfoxide reduc...	ACCEPT	Summary: Core nuclear localization for the RARA transcription factor. Reason: RARA is primarily a nuclear transcription factor whose direct function occurs at nuclear response elements. Supporting Evidence: file:human/RARA/RARA-deep-research-falcon.md RARα is primarily described as nuclear and chromatin-associated through binding to promoter/enhancer RAREs; nucleosomes do not necessarily preclude binding. file:human/RARA/RARA-deep-research-falcon.md RARA encodes RARα, a ligand-activated nuclear receptor that functions as a sequence-specific DNA-binding transcription factor.
GO:0005634 nucleus	IDA PMID:19917671 Loss of CAK phosphorylation of RAR{alpha} mediates transcrip...	ACCEPT	Summary: Core nuclear localization for the RARA transcription factor. Reason: RARA is primarily a nuclear transcription factor whose direct function occurs at nuclear response elements. Supporting Evidence: file:human/RARA/RARA-deep-research-falcon.md RARα is primarily described as nuclear and chromatin-associated through binding to promoter/enhancer RAREs; nucleosomes do not necessarily preclude binding. file:human/RARA/RARA-deep-research-falcon.md RARA encodes RARα, a ligand-activated nuclear receptor that functions as a sequence-specific DNA-binding transcription factor.
GO:0030853 negative regulation of granulocyte differentiation	IDA PMID:19917671 Loss of CAK phosphorylation of RAR{alpha} mediates transcrip...	MARK AS OVER ANNOTATED	Summary: Negative regulation of granulocyte differentiation is likely fusion- or disease-context dependent and should not be treated as core wild-type RARA function. Reason: APL and PML::RARA evidence is mechanistically informative, but fusion-specific repression and differentiation blockade should not be transferred wholesale to wild-type RARA. Supporting Evidence: file:human/RARA/RARA-deep-research-falcon.md PML::RARA and other RARA fusions preserve some RARα biochemical properties (DNA binding, retinoid responsiveness) but add fusion-specific multimerization, chromatin targeting, condensate formation, and altered transcriptional programs; these findings are mechanistically informative but should not be transferred wholesale to wild-type RARA GO annotations. file:human/RARA/RARA-deep-research-falcon.md many transcriptomic or phenotypic outcomes in RA-treated cells reflect indirect downstream programs (e.g., differentiation cascades) rather than direct RARα DNA binding; IDA evidence for MF/CC (structure, EMSA, cofactor recruitment assays) is stronger than broad BP assertions unless direct targets are shown.
GO:0031490 chromatin DNA binding	IDA PMID:19917671 Loss of CAK phosphorylation of RAR{alpha} mediates transcrip...	ACCEPT	Summary: Core sequence-specific DNA/RARE binding function of the RARA-RXR transcription factor complex. Reason: RARA binds retinoic acid response elements, primarily as an RXR heterodimer, and this DNA binding is central to its transcriptional regulatory function. Supporting Evidence: file:human/RARA/RARA-deep-research-falcon.md RARA encodes RARα, a ligand-activated nuclear receptor that functions as a sequence-specific DNA-binding transcription factor. RARα typically acts as a heterodimer with retinoid X receptor (RXR) on retinoic acid response elements (RAREs), classically composed of direct repeats of the hexamer PuG(G/T)TCA spaced by 1–5 bp (e.g., DR5, DR2, DR1). file:human/RARA/RARA-deep-research-falcon.md RARα binds RAREs primarily as an RXR heterodimer. Structural and biochemical evidence includes a 1.7 Å crystal structure of RXR and RAR DNA-binding domains (DBDs) assembled on a DR1 element that shows RAR bound to the upstream (5′) half-site and RXR bound downstream (3′), i.e., reverse polarity compared with other RXR heterodimers.
GO:0045893 positive regulation of DNA-templated transcription	IDA PMID:18845237 Retinoic acid regulates the human methionine sulfoxide reduc...	MODIFY	Summary: The broad positive regulation of DNA-templated transcription term should be narrowed to RNA polymerase II transcription regulation. Reason: RARA acts as an RNA polymerase II transcription regulator at RARE/chromatin loci; GO:0045944 is the more specific BP term already supported by the evidence. Proposed replacements: positive regulation of transcription by RNA polymerase II Supporting Evidence: file:human/RARA/RARA-deep-research-falcon.md Ligand binding can drive coactivator recruitment to RARα complexes. file:human/RARA/RARA-deep-research-falcon.md RARα is a core effector of retinoic acid signaling, transducing ligand binding into activation or repression of RA-responsive transcriptional programs.
GO:0005515 protein binding	IPI PMID:19850744 Small ubiquitin-like modifier-2 modification of retinoic aci...	MARK AS OVER ANNOTATED	Summary: Protein binding is an uninformative over-annotation for RARA. Reason: RARA has many documented interactions with RXR, coactivators, corepressors, kinases, and disease-associated partners, but GO:0005515 does not describe the functional mechanism. More informative terms cover nuclear receptor activity, RARE binding, transcription regulator complexes, and specific cofactor binding. Supporting Evidence: file:human/RARA/RARA-deep-research-falcon.md RARα supports a canonical nuclear-receptor cofactor “switch” mechanism: in the absence of ligand, RARα/RXR bound on DNA recruits corepressors such as NCoR/SMRT that are associated with histone deacetylase (HDAC) activity and transcriptional repression; upon retinoid agonist binding, ligand-induced conformational changes (notably involving AF-2/helix 12 in the ligand-binding domain) destabilize corepressor binding and favor recruitment of coactivators (e.g., p160/SRC family, CBP/p300, Mediator/DRIP/TRAP components), enabling transcriptional activation of retinoid-responsive genes. file:human/RARA/RARA-deep-research-falcon.md RARA encodes RARα, a ligand-activated nuclear receptor that functions as a sequence-specific DNA-binding transcription factor. RARα typically acts as a heterodimer with retinoid X receptor (RXR) on retinoic acid response elements (RAREs), classically composed of direct repeats of the hexamer PuG(G/T)TCA spaced by 1–5 bp (e.g., DR5, DR2, DR1).
GO:0005737 cytoplasm	IDA PMID:19850744 Small ubiquitin-like modifier-2 modification of retinoic aci...	KEEP AS NON CORE	Summary: Supported or plausible cytoplasmic/perinuclear pool, but non-core relative to nuclear/chromatin transcriptional regulation. Reason: RARA can have cytoplasmic or regulated translocation pools, but direct GO-core function occurs as a nuclear/chromatin-associated transcription factor. Supporting Evidence: file:human/RARA/RARA-deep-research-falcon.md RARα is primarily described as nuclear and chromatin-associated through binding to promoter/enhancer RAREs; nucleosomes do not necessarily preclude binding.
GO:0006468 protein phosphorylation	IMP PMID:16456540 P38MAPK-dependent phosphorylation and degradation of SRC-3/A...	REMOVE	Summary: RARA is a phosphorylation substrate/regulatory target, not a protein kinase. Reason: The relevant evidence shows kinases phosphorylating RARA or RARA-associated coactivators to modulate transcription. It does not support RARA enabling protein phosphorylation. Supporting Evidence: PMID:16417524 Akt, which is constitutively activated in NSCLC cells, phosphorylates RARalpha and inhibits its transactivation. file:human/RARA/RARA-deep-research-falcon.md many transcriptomic or phenotypic outcomes in RA-treated cells reflect indirect downstream programs (e.g., differentiation cascades) rather than direct RARα DNA binding; IDA evidence for MF/CC (structure, EMSA, cofactor recruitment assays) is stronger than broad BP assertions unless direct targets are shown.
GO:0043277 apoptotic cell clearance	IMP PMID:19628791 Induction of transglutaminase 2 by a liver X receptor/retino...	KEEP AS NON CORE	Summary: Supported macrophage apoptotic-cell clearance pathway output, but non-core relative to RARA transcriptional regulation. Reason: This phenotype is mediated through RARalpha-dependent induction of TGM2 in macrophages and is a downstream cellular outcome of nuclear receptor signaling. Supporting Evidence: PMID:19628791 CONCLUSIONS: These results indicate an important role for LXRs in the control of phagocytosis through an RARalpha-TGM2-dependent mechanism. file:human/RARA/RARA-deep-research-falcon.md many transcriptomic or phenotypic outcomes in RA-treated cells reflect indirect downstream programs (e.g., differentiation cascades) rather than direct RARα DNA binding; IDA evidence for MF/CC (structure, EMSA, cofactor recruitment assays) is stronger than broad BP assertions unless direct targets are shown.
GO:0045893 positive regulation of DNA-templated transcription	IDA PMID:19850744 Small ubiquitin-like modifier-2 modification of retinoic aci...	MODIFY	Summary: The broad positive regulation of DNA-templated transcription term should be narrowed to RNA polymerase II transcription regulation. Reason: RARA acts as an RNA polymerase II transcription regulator at RARE/chromatin loci; GO:0045944 is the more specific BP term already supported by the evidence. Proposed replacements: positive regulation of transcription by RNA polymerase II Supporting Evidence: file:human/RARA/RARA-deep-research-falcon.md Ligand binding can drive coactivator recruitment to RARα complexes. file:human/RARA/RARA-deep-research-falcon.md RARα is a core effector of retinoic acid signaling, transducing ligand binding into activation or repression of RA-responsive transcriptional programs.
GO:0045944 positive regulation of transcription by RNA polymerase II	IDA PMID:19850744 Small ubiquitin-like modifier-2 modification of retinoic aci...	ACCEPT	Summary: Supported core activating mode of RARA-mediated RNA polymerase II transcription regulation. Reason: Ligand-bound RARA-RXR recruits coactivators and activates retinoid-responsive RNA polymerase II target genes. Supporting Evidence: file:human/RARA/RARA-deep-research-falcon.md Ligand binding can drive coactivator recruitment to RARα complexes. file:human/RARA/RARA-deep-research-falcon.md RARα supports a canonical nuclear-receptor cofactor “switch” mechanism: in the absence of ligand, RARα/RXR bound on DNA recruits corepressors such as NCoR/SMRT that are associated with histone deacetylase (HDAC) activity and transcriptional repression; upon retinoid agonist binding, ligand-induced conformational changes (notably involving AF-2/helix 12 in the ligand-binding domain) destabilize corepressor binding and favor recruitment of coactivators (e.g., p160/SRC family, CBP/p300, Mediator/DRIP/TRAP components), enabling transcriptional activation of retinoid-responsive genes. file:human/RARA/RARA-deep-research-falcon.md RARα is a core effector of retinoic acid signaling, transducing ligand binding into activation or repression of RA-responsive transcriptional programs.
GO:0045893 positive regulation of DNA-templated transcription	IMP PMID:19628791 Induction of transglutaminase 2 by a liver X receptor/retino...	MODIFY	Summary: The broad positive regulation of DNA-templated transcription term should be narrowed to RNA polymerase II transcription regulation. Reason: RARA acts as an RNA polymerase II transcription regulator at RARE/chromatin loci; GO:0045944 is the more specific BP term already supported by the evidence. Proposed replacements: positive regulation of transcription by RNA polymerase II Supporting Evidence: file:human/RARA/RARA-deep-research-falcon.md Ligand binding can drive coactivator recruitment to RARα complexes. file:human/RARA/RARA-deep-research-falcon.md RARα is a core effector of retinoic acid signaling, transducing ligand binding into activation or repression of RA-responsive transcriptional programs.
GO:0005102 signaling receptor binding	IDA PMID:19628791 Induction of transglutaminase 2 by a liver X receptor/retino...	REMOVE	Summary: PMID:19628791 supports an LXR/RARA-dependent transcriptional pathway that induces TGM2-dependent phagocytosis, not RARA signaling receptor binding. Reason: The molecular function is assigned to the wrong gene product. TGM2 is the factor required for macrophage phagocytosis, while RARA acts upstream as a nuclear receptor transcription factor. This source evidence does not show RARA directly binding a signaling receptor. Supporting Evidence: PMID:19628791 CONCLUSIONS: These results indicate an important role for LXRs in the control of phagocytosis through an RARalpha-TGM2-dependent mechanism. file:human/RARA/RARA-deep-research-falcon.md RARA encodes RARα, a ligand-activated nuclear receptor that functions as a sequence-specific DNA-binding transcription factor.
GO:0019904 protein domain specific binding	IPI PMID:20413580 Human ADA3 regulates RARalpha transcriptional activity throu...	MARK AS OVER ANNOTATED	Summary: Generic binding annotations are over-annotations relative to the informative RARA receptor/cofactor mechanisms. Reason: The evidence supports specific nuclear receptor, DNA-binding, and cofactor-complex mechanisms; generic enzyme/domain binding terms obscure the main function. Supporting Evidence: file:human/RARA/RARA-deep-research-falcon.md RARα supports a canonical nuclear-receptor cofactor “switch” mechanism: in the absence of ligand, RARα/RXR bound on DNA recruits corepressors such as NCoR/SMRT that are associated with histone deacetylase (HDAC) activity and transcriptional repression; upon retinoid agonist binding, ligand-induced conformational changes (notably involving AF-2/helix 12 in the ligand-binding domain) destabilize corepressor binding and favor recruitment of coactivators (e.g., p160/SRC family, CBP/p300, Mediator/DRIP/TRAP components), enabling transcriptional activation of retinoid-responsive genes. file:human/RARA/RARA-deep-research-falcon.md many transcriptomic or phenotypic outcomes in RA-treated cells reflect indirect downstream programs (e.g., differentiation cascades) rather than direct RARα DNA binding; IDA evidence for MF/CC (structure, EMSA, cofactor recruitment assays) is stronger than broad BP assertions unless direct targets are shown.
GO:0003700 DNA-binding transcription factor activity	IDA PMID:20413580 Human ADA3 regulates RARalpha transcriptional activity throu...	MODIFY	Summary: The generic DNA-binding transcription factor term should be narrowed to RARA nuclear receptor/RNA polymerase II transcription factor activity. Reason: RARA is a ligand-activated nuclear receptor and RNA polymerase II transcription factor. The replacement terms capture the specific transcription-factor class and regulatory target. Proposed replacements: nuclear receptor activity DNA-binding transcription factor activity, RNA polymerase II-specific Supporting Evidence: file:human/RARA/RARA-deep-research-falcon.md RARA encodes RARα, a ligand-activated nuclear receptor that functions as a sequence-specific DNA-binding transcription factor. file:human/RARA/RARA-deep-research-falcon.md RARα supports a canonical nuclear-receptor cofactor “switch” mechanism: in the absence of ligand, RARα/RXR bound on DNA recruits corepressors such as NCoR/SMRT that are associated with histone deacetylase (HDAC) activity and transcriptional repression; upon retinoid agonist binding, ligand-induced conformational changes (notably involving AF-2/helix 12 in the ligand-binding domain) destabilize corepressor binding and favor recruitment of coactivators (e.g., p160/SRC family, CBP/p300, Mediator/DRIP/TRAP components), enabling transcriptional activation of retinoid-responsive genes.
GO:0005515 protein binding	IPI PMID:20080953 Cooperative interaction between retinoic acid receptor-alpha...	MARK AS OVER ANNOTATED	Summary: Protein binding is an uninformative over-annotation for RARA. Reason: RARA has many documented interactions with RXR, coactivators, corepressors, kinases, and disease-associated partners, but GO:0005515 does not describe the functional mechanism. More informative terms cover nuclear receptor activity, RARE binding, transcription regulator complexes, and specific cofactor binding. Supporting Evidence: file:human/RARA/RARA-deep-research-falcon.md RARα supports a canonical nuclear-receptor cofactor “switch” mechanism: in the absence of ligand, RARα/RXR bound on DNA recruits corepressors such as NCoR/SMRT that are associated with histone deacetylase (HDAC) activity and transcriptional repression; upon retinoid agonist binding, ligand-induced conformational changes (notably involving AF-2/helix 12 in the ligand-binding domain) destabilize corepressor binding and favor recruitment of coactivators (e.g., p160/SRC family, CBP/p300, Mediator/DRIP/TRAP components), enabling transcriptional activation of retinoid-responsive genes. file:human/RARA/RARA-deep-research-falcon.md RARA encodes RARα, a ligand-activated nuclear receptor that functions as a sequence-specific DNA-binding transcription factor. RARα typically acts as a heterodimer with retinoid X receptor (RXR) on retinoic acid response elements (RAREs), classically composed of direct repeats of the hexamer PuG(G/T)TCA spaced by 1–5 bp (e.g., DR5, DR2, DR1).
GO:0005634 nucleus	IDA PMID:20080953 Cooperative interaction between retinoic acid receptor-alpha...	ACCEPT	Summary: Core nuclear localization for the RARA transcription factor. Reason: RARA is primarily a nuclear transcription factor whose direct function occurs at nuclear response elements. Supporting Evidence: file:human/RARA/RARA-deep-research-falcon.md RARα is primarily described as nuclear and chromatin-associated through binding to promoter/enhancer RAREs; nucleosomes do not necessarily preclude binding. file:human/RARA/RARA-deep-research-falcon.md RARA encodes RARα, a ligand-activated nuclear receptor that functions as a sequence-specific DNA-binding transcription factor.
GO:0008284 positive regulation of cell population proliferation	IMP PMID:20080953 Cooperative interaction between retinoic acid receptor-alpha...	KEEP AS NON CORE	Summary: Supported cell proliferation, apoptosis, cell-cycle, or binding effects are context-specific downstream outputs of RARA signaling. Reason: These annotations can be retained as non-core where experiments support cellular phenotypes, but they are downstream of direct retinoid receptor transcriptional regulation. Supporting Evidence: file:human/RARA/RARA-deep-research-falcon.md many transcriptomic or phenotypic outcomes in RA-treated cells reflect indirect downstream programs (e.g., differentiation cascades) rather than direct RARα DNA binding; IDA evidence for MF/CC (structure, EMSA, cofactor recruitment assays) is stronger than broad BP assertions unless direct targets are shown. PMID:20080953 We now show that RAR alpha is required for efficient estrogen receptor-alpha (ER)-mediated transcription and cell proliferation.
GO:0045787 positive regulation of cell cycle	IMP PMID:20080953 Cooperative interaction between retinoic acid receptor-alpha...	KEEP AS NON CORE	Summary: Supported cell proliferation, apoptosis, cell-cycle, or binding effects are context-specific downstream outputs of RARA signaling. Reason: These annotations can be retained as non-core where experiments support cellular phenotypes, but they are downstream of direct retinoid receptor transcriptional regulation. Supporting Evidence: file:human/RARA/RARA-deep-research-falcon.md many transcriptomic or phenotypic outcomes in RA-treated cells reflect indirect downstream programs (e.g., differentiation cascades) rather than direct RARα DNA binding; IDA evidence for MF/CC (structure, EMSA, cofactor recruitment assays) is stronger than broad BP assertions unless direct targets are shown. PMID:20080953 We now show that RAR alpha is required for efficient estrogen receptor-alpha (ER)-mediated transcription and cell proliferation.
GO:0045892 negative regulation of DNA-templated transcription	IDA PMID:20080953 Cooperative interaction between retinoic acid receptor-alpha...	MODIFY	Summary: The broad negative regulation of DNA-templated transcription term should be narrowed to RNA polymerase II transcription repression. Reason: Unliganded RARA-RXR represses RNA polymerase II transcription via NCoR/SMRT/HDAC corepressor complexes. Proposed replacements: negative regulation of transcription by RNA polymerase II Supporting Evidence: file:human/RARA/RARA-deep-research-falcon.md RARα/RXR complexes bound to RAREs recruit NCoR/SMRT corepressors linked to HDAC activity, supporting a mechanistic basis for ligand-modulated transcriptional repression.
GO:0045893 positive regulation of DNA-templated transcription	IDA PMID:20080953 Cooperative interaction between retinoic acid receptor-alpha...	MODIFY	Summary: The broad positive regulation of DNA-templated transcription term should be narrowed to RNA polymerase II transcription regulation. Reason: RARA acts as an RNA polymerase II transcription regulator at RARE/chromatin loci; GO:0045944 is the more specific BP term already supported by the evidence. Proposed replacements: positive regulation of transcription by RNA polymerase II Supporting Evidence: file:human/RARA/RARA-deep-research-falcon.md Ligand binding can drive coactivator recruitment to RARα complexes. file:human/RARA/RARA-deep-research-falcon.md RARα is a core effector of retinoic acid signaling, transducing ligand binding into activation or repression of RA-responsive transcriptional programs.
GO:0045944 positive regulation of transcription by RNA polymerase II	IMP PMID:20080953 Cooperative interaction between retinoic acid receptor-alpha...	ACCEPT	Summary: Supported core activating mode of RARA-mediated RNA polymerase II transcription regulation. Reason: Ligand-bound RARA-RXR recruits coactivators and activates retinoid-responsive RNA polymerase II target genes. Supporting Evidence: file:human/RARA/RARA-deep-research-falcon.md Ligand binding can drive coactivator recruitment to RARα complexes. file:human/RARA/RARA-deep-research-falcon.md RARα supports a canonical nuclear-receptor cofactor “switch” mechanism: in the absence of ligand, RARα/RXR bound on DNA recruits corepressors such as NCoR/SMRT that are associated with histone deacetylase (HDAC) activity and transcriptional repression; upon retinoid agonist binding, ligand-induced conformational changes (notably involving AF-2/helix 12 in the ligand-binding domain) destabilize corepressor binding and favor recruitment of coactivators (e.g., p160/SRC family, CBP/p300, Mediator/DRIP/TRAP components), enabling transcriptional activation of retinoid-responsive genes. file:human/RARA/RARA-deep-research-falcon.md RARα is a core effector of retinoic acid signaling, transducing ligand binding into activation or repression of RA-responsive transcriptional programs.
GO:0051099 positive regulation of binding	IMP PMID:20080953 Cooperative interaction between retinoic acid receptor-alpha...	KEEP AS NON CORE	Summary: Supported cell proliferation, apoptosis, cell-cycle, or binding effects are context-specific downstream outputs of RARA signaling. Reason: These annotations can be retained as non-core where experiments support cellular phenotypes, but they are downstream of direct retinoid receptor transcriptional regulation. Supporting Evidence: file:human/RARA/RARA-deep-research-falcon.md many transcriptomic or phenotypic outcomes in RA-treated cells reflect indirect downstream programs (e.g., differentiation cascades) rather than direct RARα DNA binding; IDA evidence for MF/CC (structure, EMSA, cofactor recruitment assays) is stronger than broad BP assertions unless direct targets are shown. PMID:20080953 We now show that RAR alpha is required for efficient estrogen receptor-alpha (ER)-mediated transcription and cell proliferation.
GO:0071391 cellular response to estrogen stimulus	IDA PMID:20080953 Cooperative interaction between retinoic acid receptor-alpha...	KEEP AS NON CORE	Summary: Supported estrogen cross-talk context, but non-core relative to canonical retinoic acid receptor function. Reason: RARA can cooperate with estrogen receptor programs in breast cancer cells, but this is a context-specific regulatory interaction rather than the core retinoid receptor function. Supporting Evidence: PMID:20080953 We now show that RAR alpha is required for efficient estrogen receptor-alpha (ER)-mediated transcription and cell proliferation. file:human/RARA/RARA-deep-research-falcon.md many transcriptomic or phenotypic outcomes in RA-treated cells reflect indirect downstream programs (e.g., differentiation cascades) rather than direct RARα DNA binding; IDA evidence for MF/CC (structure, EMSA, cofactor recruitment assays) is stronger than broad BP assertions unless direct targets are shown.
GO:0001972 retinoic acid binding	IDA PMID:2825025 A human retinoic acid receptor which belongs to the family o...	ACCEPT	Summary: Core ligand-binding function for all-trans retinoic acid and related retinoids. Reason: Retinoic acid binding drives the ligand-dependent corepressor-to-coactivator switch of RARA nuclear receptor activity. Supporting Evidence: file:human/RARA/RARA-deep-research-falcon.md RARA encodes RARα, a ligand-activated nuclear receptor that functions as a sequence-specific DNA-binding transcription factor. RARα typically acts as a heterodimer with retinoid X receptor (RXR) on retinoic acid response elements (RAREs), classically composed of direct repeats of the hexamer PuG(G/T)TCA spaced by 1–5 bp (e.g., DR5, DR2, DR1). file:human/RARA/RARA-deep-research-falcon.md RARα supports a canonical nuclear-receptor cofactor “switch” mechanism: in the absence of ligand, RARα/RXR bound on DNA recruits corepressors such as NCoR/SMRT that are associated with histone deacetylase (HDAC) activity and transcriptional repression; upon retinoid agonist binding, ligand-induced conformational changes (notably involving AF-2/helix 12 in the ligand-binding domain) destabilize corepressor binding and favor recruitment of coactivators (e.g., p160/SRC family, CBP/p300, Mediator/DRIP/TRAP components), enabling transcriptional activation of retinoid-responsive genes.
GO:0032689 negative regulation of type II interferon production	IDA PMID:18416830 The Retinoic Acid Receptor-alpha mediates human T-cell activ...	KEEP AS NON CORE	Summary: Supported human T-cell cytokine/Th2 differentiation effects, but non-core relative to direct RARA receptor transcriptional regulation. Reason: RAR-alpha engagement affects activated human T-cell cytokine programs, but these immune outputs are downstream and cell-context-specific. Supporting Evidence: PMID:18416830 CONCLUSION: These results strongly support a role for RAR-alpha engagement in the regulation of genes and proteins involved with human T cell activation and type 2 cytokine production. file:human/RARA/RARA-deep-research-falcon.md many transcriptomic or phenotypic outcomes in RA-treated cells reflect indirect downstream programs (e.g., differentiation cascades) rather than direct RARα DNA binding; IDA evidence for MF/CC (structure, EMSA, cofactor recruitment assays) is stronger than broad BP assertions unless direct targets are shown.
GO:0032720 negative regulation of tumor necrosis factor production	IDA PMID:18416830 The Retinoic Acid Receptor-alpha mediates human T-cell activ...	KEEP AS NON CORE	Summary: Supported human T-cell cytokine/Th2 differentiation effects, but non-core relative to direct RARA receptor transcriptional regulation. Reason: RAR-alpha engagement affects activated human T-cell cytokine programs, but these immune outputs are downstream and cell-context-specific. Supporting Evidence: PMID:18416830 CONCLUSION: These results strongly support a role for RAR-alpha engagement in the regulation of genes and proteins involved with human T cell activation and type 2 cytokine production. file:human/RARA/RARA-deep-research-falcon.md many transcriptomic or phenotypic outcomes in RA-treated cells reflect indirect downstream programs (e.g., differentiation cascades) rather than direct RARα DNA binding; IDA evidence for MF/CC (structure, EMSA, cofactor recruitment assays) is stronger than broad BP assertions unless direct targets are shown.
GO:0032736 positive regulation of interleukin-13 production	IDA PMID:18416830 The Retinoic Acid Receptor-alpha mediates human T-cell activ...	KEEP AS NON CORE	Summary: Supported human T-cell cytokine/Th2 differentiation effects, but non-core relative to direct RARA receptor transcriptional regulation. Reason: RAR-alpha engagement affects activated human T-cell cytokine programs, but these immune outputs are downstream and cell-context-specific. Supporting Evidence: PMID:18416830 CONCLUSION: These results strongly support a role for RAR-alpha engagement in the regulation of genes and proteins involved with human T cell activation and type 2 cytokine production. file:human/RARA/RARA-deep-research-falcon.md many transcriptomic or phenotypic outcomes in RA-treated cells reflect indirect downstream programs (e.g., differentiation cascades) rather than direct RARα DNA binding; IDA evidence for MF/CC (structure, EMSA, cofactor recruitment assays) is stronger than broad BP assertions unless direct targets are shown.
GO:0032753 positive regulation of interleukin-4 production	IDA PMID:18416830 The Retinoic Acid Receptor-alpha mediates human T-cell activ...	KEEP AS NON CORE	Summary: Supported human T-cell cytokine/Th2 differentiation effects, but non-core relative to direct RARA receptor transcriptional regulation. Reason: RAR-alpha engagement affects activated human T-cell cytokine programs, but these immune outputs are downstream and cell-context-specific. Supporting Evidence: PMID:18416830 CONCLUSION: These results strongly support a role for RAR-alpha engagement in the regulation of genes and proteins involved with human T cell activation and type 2 cytokine production. file:human/RARA/RARA-deep-research-falcon.md many transcriptomic or phenotypic outcomes in RA-treated cells reflect indirect downstream programs (e.g., differentiation cascades) rather than direct RARα DNA binding; IDA evidence for MF/CC (structure, EMSA, cofactor recruitment assays) is stronger than broad BP assertions unless direct targets are shown.
GO:0032754 positive regulation of interleukin-5 production	IDA PMID:18416830 The Retinoic Acid Receptor-alpha mediates human T-cell activ...	KEEP AS NON CORE	Summary: Supported human T-cell cytokine/Th2 differentiation effects, but non-core relative to direct RARA receptor transcriptional regulation. Reason: RAR-alpha engagement affects activated human T-cell cytokine programs, but these immune outputs are downstream and cell-context-specific. Supporting Evidence: PMID:18416830 CONCLUSION: These results strongly support a role for RAR-alpha engagement in the regulation of genes and proteins involved with human T cell activation and type 2 cytokine production. file:human/RARA/RARA-deep-research-falcon.md many transcriptomic or phenotypic outcomes in RA-treated cells reflect indirect downstream programs (e.g., differentiation cascades) rather than direct RARα DNA binding; IDA evidence for MF/CC (structure, EMSA, cofactor recruitment assays) is stronger than broad BP assertions unless direct targets are shown.
GO:0045630 positive regulation of T-helper 2 cell differentiation	IDA PMID:18416830 The Retinoic Acid Receptor-alpha mediates human T-cell activ...	KEEP AS NON CORE	Summary: Supported human T-cell cytokine/Th2 differentiation effects, but non-core relative to direct RARA receptor transcriptional regulation. Reason: RAR-alpha engagement affects activated human T-cell cytokine programs, but these immune outputs are downstream and cell-context-specific. Supporting Evidence: PMID:18416830 CONCLUSION: These results strongly support a role for RAR-alpha engagement in the regulation of genes and proteins involved with human T cell activation and type 2 cytokine production. file:human/RARA/RARA-deep-research-falcon.md many transcriptomic or phenotypic outcomes in RA-treated cells reflect indirect downstream programs (e.g., differentiation cascades) rather than direct RARα DNA binding; IDA evidence for MF/CC (structure, EMSA, cofactor recruitment assays) is stronger than broad BP assertions unless direct targets are shown.
GO:0032526 response to retinoic acid	IMP PMID:17538076 Regulation of 17-beta hydroxysteroid dehydrogenase type 2 in...	KEEP AS NON CORE	Summary: Supported retinoid/vitamin A response annotation, but broader than the direct RARA receptor signaling pathway. Reason: RARA is a direct mediator of retinoic acid signaling. General cellular response terms are valid but less precise than retinoic acid receptor signaling and transcriptional regulation. Supporting Evidence: file:human/RARA/RARA-deep-research-falcon.md RARA encodes RARα, a ligand-activated nuclear receptor that functions as a sequence-specific DNA-binding transcription factor. RARα typically acts as a heterodimer with retinoid X receptor (RXR) on retinoic acid response elements (RAREs), classically composed of direct repeats of the hexamer PuG(G/T)TCA spaced by 1–5 bp (e.g., DR5, DR2, DR1). file:human/RARA/RARA-deep-research-falcon.md RARα is a core effector of retinoic acid signaling, transducing ligand binding into activation or repression of RA-responsive transcriptional programs.
GO:0048384 retinoic acid receptor signaling pathway	IMP PMID:17538076 Regulation of 17-beta hydroxysteroid dehydrogenase type 2 in...	ACCEPT	Summary: Core biological process: RARA mediates retinoic acid receptor signaling through ligand-dependent transcriptional regulation. Reason: Retinoic acid receptor signaling is the direct pathway in which RARA transduces retinoid ligand binding into RARE-bound transcriptional regulation. Supporting Evidence: file:human/RARA/RARA-deep-research-falcon.md RARA encodes RARα, a ligand-activated nuclear receptor that functions as a sequence-specific DNA-binding transcription factor. RARα typically acts as a heterodimer with retinoid X receptor (RXR) on retinoic acid response elements (RAREs), classically composed of direct repeats of the hexamer PuG(G/T)TCA spaced by 1–5 bp (e.g., DR5, DR2, DR1). file:human/RARA/RARA-deep-research-falcon.md RARα is a core effector of retinoic acid signaling, transducing ligand binding into activation or repression of RA-responsive transcriptional programs.

GO aspect (MF/BP/CC)	Proposed GO concept (plain English label)	Mechanistic description	Key experimental evidence (assay types and key quantitative values where available)	Best supporting citations
MF	Retinoic acid receptor activity / retinoid ligand binding	RARα is a ligand-activated nuclear receptor whose LBD binds all-trans retinoic acid and synthetic retinoids; ligand-induced AF-2/H12 repositioning shifts the receptor from corepressor-compatible to coactivator-compatible states.	Quantitative ligand binding and reporter assays for human RARα: Kd (nM) atRA 3.3, 9-cis RA 7.1, TTNPB 2.2, CD367 4.0, Am580 8.1, CD3106 20.0; corresponding reporter EC50s (nM) included atRA 10.8, TTNPB 1.05, CD367 0.91, Am580 0.74. Structural/biochemical studies support ligand-specific AF-2 conformational switching.	(mouchon1999allostericregulationof pages 2-3, mouchon1999allostericregulationof pages 1-2)
MF	Sequence-specific DNA binding to RAREs	RARα binds DNA mainly as an RXR heterodimer on retinoic acid response elements composed of direct repeats of PuG(G/T)TCA motifs; recognized spacings include DR1, DR2, and DR5. Orientation is response-element dependent.	Structural and biochemical evidence: 1.7 Å crystal structure of RXR–RAR DBDs on DR1; each DBD recognition helix inserts into the major groove of AGGTCA half-sites. On DR2/DR5, RXR occupies the 5' half-site and RAR the 3' half-site; on DR1, polarity reverses (5'-RAR/RXR-3'). EMSA, crystallography, and DBD mutagenesis support cooperative, sequence-specific binding.	(rastinejad2000structureofthe pages 2-4, bastien2004nuclearretinoidreceptors pages 3-5, zechel1994dimerizationinterfacesformed pages 1-2)
MF	RXR heterodimerization	RARα forms functional heterodimers with RXR through DBD- and LBD-mediated interfaces; heterodimerization enhances DNA-binding specificity and transcriptional regulation.	DBD interface mapping showed the RXR D-box is required for cooperative binding on DR4/DR5 and RAR DBD determinants specify RXR/RAR binding on DR5. DR1 crystal structure and biochemical binding showed DNA-dependent heterodimer assembly, with half-maximal DR1 binding at ~300–350 nM for RXR–RAR DBDs and ~10-fold weaker binding for RXR DBD alone to a single site.	(rastinejad2000structureofthe pages 2-4, rastinejad2000structureofthe pages 1-2, zechel1994dimerizationinterfacesformed pages 1-2)
MF	Transcriptional repression via NCoR/SMRT/HDAC corepressor complexes	In the unliganded state, DNA-bound RARα recruits NCoR/SMRT corepressors and associated HDAC activity, maintaining retinoid target loci in a repressed chromatin state.	Review-synthesized primary evidence shows unliganded, DNA-bound RAR/RXR complexes recruit NCoR and SMRT linked to HDAC complexes; biochemical assays showed SMRT binding to RAR–RXR complexes and supershift on RARE probes, with release dependent on RAR agonist rather than RXR ligand. In APL mechanistic work, NCOR/SMRT-dependent HDAC3 deacetylates PML-RARα K394, stabilizing repression.	(bastien2004nuclearretinoidreceptors pages 3-5, benko2003moleculardeterminantsof pages 6-8, dai2023targetinghdac3to pages 1-2)
MF	Ligand-dependent coactivator recruitment	Upon ligand binding, RARα recruits transcriptional coactivators including p160/SRC family, CBP/p300, and Mediator/DRIP components, promoting RNA polymerase II transcription of retinoid-responsive genes.	GST pull-downs, mammalian two-hybrid, and reporter assays showed ligand-dependent SRC-1/DRIP205 recruitment to RARα or RARα–RXR complexes; DRIP205/TRAP220 recruited to RAR LBD in response to AM580. AM580 EC50s for RARα-dependent activation were ~7 nM for RAR-LBD and 6.7 nM for full-length RAR–RXR, with mutant A392R ~0.9–1.5 nM. DNA spacing altered SRC-1 vs RIP140 recruitment.	(mouchon1999allostericregulationof pages 2-3, mouchon1999allostericregulationof pages 9-10, benko2003moleculardeterminantsof pages 6-8)
CC	Nuclear/chromatin-associated transcription factor	RARα is predominantly nuclear, binds response elements in chromatin, and functions within chromatin-associated repressive or activating transcriptional complexes.	Structural/review evidence describes RARs/RXRs as constitutively nuclear; nucleosomes do not prevent RAR/RXR binding. DR1 structural data indicate DNA-dependent assembly; chromatin-associated repression/activation is mediated through HDAC- or HAT-linked complexes.	(bastien2004nuclearretinoidreceptors pages 3-5, lefebvre2001molecularbasisfor pages 2-5)
BP	Retinoic acid signaling / regulation of transcription by RNA polymerase II	RARα is a core effector of retinoic acid signaling, transducing ligand binding into activation or repression of RA-responsive transcriptional programs.	Reporter assays with TREpal/RARE elements, GST cofactor-binding assays, and mutational analyses demonstrate ligand-, DNA-, and RXR-dependent transcriptional output. Mechanistic literature consistently places RARα/RXR at the center of RA-responsive gene regulation.	(mouchon1999allostericregulationof pages 2-3, mouchon1999allostericregulationof pages 1-2, bercier2024historyofdeveloping pages 4-6)
BP	Myeloid differentiation linked to RA signaling	RARα-mediated transcription contributes to granulocytic/myeloid differentiation; disruption of RARα signaling blocks differentiation, while pharmacologic activation restores it.	Functional evidence summarized in APL-focused reviews: physiological ATRA is insufficient to release corepressor from PML-RARα, but pharmacologic ATRA (~1 µM) restores differentiation gene transcription and induces differentiation. Genetic studies cited in review indicate dominant-negative RARA mutants impair differentiation, whereas altered RARA dosage affects progenitor maturation.	(chen2024alltransretinoicacid pages 2-4, bercier2024historyofdeveloping pages 4-6, powała2024molecularinteractionsof pages 1-2)
BP	PML::RARA fusion perturbation relevant to WT RARA function	The PML::RARA fusion preserves RARα DNA-binding/ligand-binding modules but exaggerates oligomerization, corepressor recruitment, and resistance to physiological ligand, thereby illuminating normal RARα repression/activation logic.	APL mechanistic studies/reviews show PML::RARA acts as a dominant-negative RARα, binds DNA via the RARα moiety, dimerizes with RXR, recruits SMRT/NCOR/HDAC complexes, and requires pharmacologic ATRA for derepression. Recent work adds HDAC3-controlled acetylation/SUMO-ubiquitin turnover and BRD4-containing phase-separated condensates at super-enhancers/broad promoters.	(dai2023targetinghdac3to pages 1-2, bercier2024historyofdeveloping pages 6-7, zhang2024phaseseparationof pages 1-2)
BP/CC caveat	Response-element dependence (DR1 vs DR2/DR5)	RARα output is not uniform across all RAREs; spacing and polarity alter receptor orientation, cofactor recruitment, and whether liganding produces activation or persistent repression.	DR1 crystal structure and biochemical models show reversed polarity on DR1 versus DR2/DR5; DNA spacing allosterically changes SRC-1/RIP140 recruitment and can favor repression versus activation depending on element context.	(rastinejad2000structureofthe pages 2-4, bastien2004nuclearretinoidreceptors pages 3-5, mouchon1999allostericregulationof pages 9-10)
Annotation caveat	Cell-type specificity and indirect RA-response effects	Many RA-treatment transcriptomic changes are indirect or cell-context dependent; GO curation should distinguish direct RARα DNA-bound mechanisms from downstream differentiation phenotypes.	Evidence base includes purified-protein structural studies, transfection/reporter assays, and disease models; these support direct MF/CC annotations more strongly than broad BP claims in every cell type. Reviews note AF-1/cellular context dependence and variable ligand/cofactor responses across systems.	(lefebvre2001molecularbasisfor pages 2-5, mouchon1999allostericregulationof pages 1-2, powała2024molecularinteractionsof pages 1-2)
Annotation caveat	Fusion protein evidence should not be transferred wholesale to WT RARA	PML::RARA data are mechanistically informative for corepressor recruitment, ligand response thresholds, and chromatin regulation, but fusion-specific behaviors (multimerization, microspeckles, altered target spectrum) are not equivalent to wild-type RARα biology.	APL literature shows fusion-specific dominant-negative behavior, altered degradation pathways, and BRD4 phase-separated condensates; these should support cautionary notes or separate annotations rather than direct WT functional transfer.	(dai2023targetinghdac3to pages 1-2, bercier2024historyofdeveloping pages 6-7, zhang2024phaseseparationof pages 1-2)

📄 View Raw YAML

id: P10276
gene_symbol: RARA
product_type: PROTEIN
status: COMPLETE
taxon:
  id: NCBITaxon:9606
  label: Homo sapiens
description: 'RARA encodes retinoic acid receptor alpha, a ligand-activated nuclear receptor
  and sequence-specific RNA polymerase II transcription factor. In RXR heterodimers, RARA
  binds retinoic acid response elements in nuclear chromatin and switches between unliganded
  NCoR/SMRT/HDAC-mediated repression and retinoid-induced coactivator recruitment. The core
  function is retinoic acid receptor signaling through direct regulation of retinoid-responsive
  transcription; developmental, immune, proliferation, and disease/fusion phenotypes are downstream
  or context-specific outputs.'
existing_annotations:
- term:
    id: GO:0000122
    label: negative regulation of transcription by RNA polymerase II
  evidence_type: IBA
  original_reference_id: GO_REF:0000033
  review:
    summary: Supported core repressive mode of RARA-mediated RNA polymerase II
      transcription regulation.
    action: ACCEPT
    reason: RARA-RXR can repress RNA polymerase II transcription through DNA-bound
      corepressor complexes in the absence of ligand.
    supported_by:
    - reference_id: file:human/RARA/RARA-deep-research-falcon.md
      supporting_text: RARα/RXR complexes bound to RAREs recruit **NCoR/SMRT**
        corepressors linked to HDAC activity, supporting a mechanistic basis for
        **ligand-modulated transcriptional repression**.
    - reference_id: file:human/RARA/RARA-deep-research-falcon.md
      supporting_text: 'RARα supports a canonical nuclear-receptor **cofactor “switch” mechanism**:
        in the **absence of ligand**, RARα/RXR bound on DNA recruits **corepressors** such
        as **NCoR/SMRT** that are associated with histone deacetylase (HDAC) activity and
        transcriptional repression; upon **retinoid agonist binding**, ligand-induced conformational
        changes (notably involving AF-2/helix 12 in the ligand-binding domain) destabilize
        corepressor binding and favor recruitment of **coactivators** (e.g., p160/SRC family,
        CBP/p300, Mediator/DRIP/TRAP components), enabling transcriptional activation of retinoid-responsive
        genes.'
- term:
    id: GO:0004879
    label: nuclear receptor activity
  evidence_type: IBA
  original_reference_id: GO_REF:0000033
  review:
    summary: 'Core molecular function: RARA is a retinoic-acid-binding nuclear receptor transcription
      factor.'
    action: ACCEPT
    reason: Nuclear receptor activity is the central molecular function of RARA,
      integrating retinoid ligand binding, RXR heterodimerization, RARE binding, and
      transcriptional regulation.
    supported_by:
    - reference_id: file:human/RARA/RARA-deep-research-falcon.md
      supporting_text: '**RARA encodes RARα**, a ligand-activated nuclear receptor that functions
        as a **sequence-specific DNA-binding transcription factor**. RARα typically acts as
        a heterodimer with retinoid X receptor (RXR) on **retinoic acid response elements
        (RAREs)**, classically composed of **direct repeats of the hexamer PuG(G/T)TCA** spaced
        by 1–5 bp (e.g., DR5, DR2, DR1).'
    - reference_id: file:human/RARA/RARA-deep-research-falcon.md
      supporting_text: 'RARα supports a canonical nuclear-receptor **cofactor “switch” mechanism**:
        in the **absence of ligand**, RARα/RXR bound on DNA recruits **corepressors** such
        as **NCoR/SMRT** that are associated with histone deacetylase (HDAC) activity and
        transcriptional repression; upon **retinoid agonist binding**, ligand-induced conformational
        changes (notably involving AF-2/helix 12 in the ligand-binding domain) destabilize
        corepressor binding and favor recruitment of **coactivators** (e.g., p160/SRC family,
        CBP/p300, Mediator/DRIP/TRAP components), enabling transcriptional activation of retinoid-responsive
        genes.'
- term:
    id: GO:0005634
    label: nucleus
  evidence_type: IBA
  original_reference_id: GO_REF:0000033
  review:
    summary: Core nuclear localization for the RARA transcription factor.
    action: ACCEPT
    reason: RARA is primarily a nuclear transcription factor whose direct function
      occurs at nuclear response elements.
    supported_by:
    - reference_id: file:human/RARA/RARA-deep-research-falcon.md
      supporting_text: RARα is primarily described as **nuclear** and
        **chromatin-associated** through binding to promoter/enhancer RAREs; nucleosomes
        do not necessarily preclude binding.
    - reference_id: file:human/RARA/RARA-deep-research-falcon.md
      supporting_text: '**RARA encodes RARα**, a ligand-activated nuclear receptor that functions
        as a **sequence-specific DNA-binding transcription factor**.'
- term:
    id: GO:0030154
    label: cell differentiation
  evidence_type: IBA
  original_reference_id: GO_REF:0000033
  review:
    summary: Supported developmental or differentiation role, but downstream and
      context-dependent relative to core RARA transcriptional regulation.
    action: KEEP_AS_NON_CORE
    reason: RARA-dependent retinoid signaling influences differentiation and
      development, but these are downstream programs and should not be treated as the
      core molecular function.
    supported_by:
    - reference_id: file:human/RARA/RARA-deep-research-falcon.md
      supporting_text: many transcriptomic or phenotypic outcomes in RA-treated cells
        reflect indirect downstream programs (e.g., differentiation cascades) rather
        than direct RARα DNA binding; IDA evidence for MF/CC (structure, EMSA, cofactor
        recruitment assays) is stronger than broad BP assertions unless direct targets
        are shown.
    - reference_id: PMID:19917671
      supporting_text: These studies demonstrate, for the first time, that RA couples
        G(1) arrest to transcriptional control of cancer cell differentiation by
        suppressing CAK phosphorylation of RARalpha to release transcriptional
        repression.
- term:
    id: GO:0045944
    label: positive regulation of transcription by RNA polymerase II
  evidence_type: IBA
  original_reference_id: GO_REF:0000033
  review:
    summary: Supported core activating mode of RARA-mediated RNA polymerase II
      transcription regulation.
    action: ACCEPT
    reason: Ligand-bound RARA-RXR recruits coactivators and activates
      retinoid-responsive RNA polymerase II target genes.
    supported_by:
    - reference_id: file:human/RARA/RARA-deep-research-falcon.md
      supporting_text: Ligand binding can drive coactivator recruitment to RARα
        complexes.
    - reference_id: file:human/RARA/RARA-deep-research-falcon.md
      supporting_text: 'RARα supports a canonical nuclear-receptor **cofactor “switch” mechanism**:
        in the **absence of ligand**, RARα/RXR bound on DNA recruits **corepressors** such
        as **NCoR/SMRT** that are associated with histone deacetylase (HDAC) activity and
        transcriptional repression; upon **retinoid agonist binding**, ligand-induced conformational
        changes (notably involving AF-2/helix 12 in the ligand-binding domain) destabilize
        corepressor binding and favor recruitment of **coactivators** (e.g., p160/SRC family,
        CBP/p300, Mediator/DRIP/TRAP components), enabling transcriptional activation of retinoid-responsive
        genes.'
    - reference_id: file:human/RARA/RARA-deep-research-falcon.md
      supporting_text: RARα is a core effector of retinoic acid signaling, transducing
        ligand binding into activation or repression of RA-responsive transcriptional
        programs.
- term:
    id: GO:0090575
    label: RNA polymerase II transcription regulator complex
  evidence_type: IBA
  original_reference_id: GO_REF:0000033
  review:
    summary: Supported transcription regulator complex annotation for RARA-RXR/cofactor
      assemblies.
    action: ACCEPT
    reason: RARA functions in RNA polymerase II transcription-regulator complexes with
      RXR and ligand-dependent coregulators.
    supported_by:
    - reference_id: file:human/RARA/RARA-deep-research-falcon.md
      supporting_text: 'RARα supports a canonical nuclear-receptor **cofactor “switch” mechanism**:
        in the **absence of ligand**, RARα/RXR bound on DNA recruits **corepressors** such
        as **NCoR/SMRT** that are associated with histone deacetylase (HDAC) activity and
        transcriptional repression; upon **retinoid agonist binding**, ligand-induced conformational
        changes (notably involving AF-2/helix 12 in the ligand-binding domain) destabilize
        corepressor binding and favor recruitment of **coactivators** (e.g., p160/SRC family,
        CBP/p300, Mediator/DRIP/TRAP components), enabling transcriptional activation of retinoid-responsive
        genes.'
    - reference_id: file:human/RARA/RARA-uniprot.txt
      supporting_text: ComplexPortal; CPX-508; RXRalpha-RARalpha retinoic acid receptor
        complex.
- term:
    id: GO:0000978
    label: RNA polymerase II cis-regulatory region sequence-specific DNA binding
  evidence_type: IBA
  original_reference_id: GO_REF:0000033
  review:
    summary: Core sequence-specific DNA/RARE binding function of the RARA-RXR
      transcription factor complex.
    action: ACCEPT
    reason: RARA binds retinoic acid response elements, primarily as an RXR heterodimer,
      and this DNA binding is central to its transcriptional regulatory function.
    supported_by:
    - reference_id: file:human/RARA/RARA-deep-research-falcon.md
      supporting_text: '**RARA encodes RARα**, a ligand-activated nuclear receptor that functions
        as a **sequence-specific DNA-binding transcription factor**. RARα typically acts as
        a heterodimer with retinoid X receptor (RXR) on **retinoic acid response elements
        (RAREs)**, classically composed of **direct repeats of the hexamer PuG(G/T)TCA** spaced
        by 1–5 bp (e.g., DR5, DR2, DR1).'
    - reference_id: file:human/RARA/RARA-deep-research-falcon.md
      supporting_text: RARα binds RAREs primarily as an RXR heterodimer. Structural and
        biochemical evidence includes a **1.7 Å** crystal structure of RXR and RAR
        DNA-binding domains (DBDs) assembled on a **DR1** element that shows **RAR bound
        to the upstream (5′) half-site and RXR bound downstream (3′)**, i.e., **reverse
        polarity** compared with other RXR heterodimers.
- term:
    id: GO:0048384
    label: retinoic acid receptor signaling pathway
  evidence_type: IBA
  original_reference_id: GO_REF:0000033
  review:
    summary: 'Core biological process: RARA mediates retinoic acid receptor signaling through
      ligand-dependent transcriptional regulation.'
    action: ACCEPT
    reason: Retinoic acid receptor signaling is the direct pathway in which RARA
      transduces retinoid ligand binding into RARE-bound transcriptional regulation.
    supported_by:
    - reference_id: file:human/RARA/RARA-deep-research-falcon.md
      supporting_text: '**RARA encodes RARα**, a ligand-activated nuclear receptor that functions
        as a **sequence-specific DNA-binding transcription factor**. RARα typically acts as
        a heterodimer with retinoid X receptor (RXR) on **retinoic acid response elements
        (RAREs)**, classically composed of **direct repeats of the hexamer PuG(G/T)TCA** spaced
        by 1–5 bp (e.g., DR5, DR2, DR1).'
    - reference_id: file:human/RARA/RARA-deep-research-falcon.md
      supporting_text: RARα is a core effector of retinoic acid signaling, transducing
        ligand binding into activation or repression of RA-responsive transcriptional
        programs.
- term:
    id: GO:0003677
    label: DNA binding
  evidence_type: IEA
  original_reference_id: GO_REF:0000120
  review:
    summary: The generic DNA-binding term should be replaced by RARA-specific RARE/RNA
      polymerase II cis-regulatory DNA-binding terms.
    action: MODIFY
    reason: RARA is not just a generic DNA-binding protein; the supported activity is
      sequence-specific binding to RAREs and RNA polymerase II cis-regulatory regions.
    proposed_replacement_terms:
    - id: GO:0044323
      label: retinoic acid-responsive element binding
    - id: GO:0000978
      label: RNA polymerase II cis-regulatory region sequence-specific DNA binding
    supported_by:
    - reference_id: file:human/RARA/RARA-deep-research-falcon.md
      supporting_text: '**RARA encodes RARα**, a ligand-activated nuclear receptor that functions
        as a **sequence-specific DNA-binding transcription factor**. RARα typically acts as
        a heterodimer with retinoid X receptor (RXR) on **retinoic acid response elements
        (RAREs)**, classically composed of **direct repeats of the hexamer PuG(G/T)TCA** spaced
        by 1–5 bp (e.g., DR5, DR2, DR1).'
    - reference_id: file:human/RARA/RARA-deep-research-falcon.md
      supporting_text: RARα binds RAREs primarily as an RXR heterodimer. Structural and
        biochemical evidence includes a **1.7 Å** crystal structure of RXR and RAR
        DNA-binding domains (DBDs) assembled on a **DR1** element that shows **RAR bound
        to the upstream (5′) half-site and RXR bound downstream (3′)**, i.e., **reverse
        polarity** compared with other RXR heterodimers.
- term:
    id: GO:0003700
    label: DNA-binding transcription factor activity
  evidence_type: IEA
  original_reference_id: GO_REF:0000120
  review:
    summary: The generic DNA-binding transcription factor term should be narrowed to
      RARA nuclear receptor/RNA polymerase II transcription factor activity.
    action: MODIFY
    reason: RARA is a ligand-activated nuclear receptor and RNA polymerase II
      transcription factor. The replacement terms capture the specific
      transcription-factor class and regulatory target.
    proposed_replacement_terms:
    - id: GO:0004879
      label: nuclear receptor activity
    - id: GO:0000981
      label: DNA-binding transcription factor activity, RNA polymerase II-specific
    supported_by:
    - reference_id: file:human/RARA/RARA-deep-research-falcon.md
      supporting_text: '**RARA encodes RARα**, a ligand-activated nuclear receptor that functions
        as a **sequence-specific DNA-binding transcription factor**.'
    - reference_id: file:human/RARA/RARA-deep-research-falcon.md
      supporting_text: 'RARα supports a canonical nuclear-receptor **cofactor “switch” mechanism**:
        in the **absence of ligand**, RARα/RXR bound on DNA recruits **corepressors** such
        as **NCoR/SMRT** that are associated with histone deacetylase (HDAC) activity and
        transcriptional repression; upon **retinoid agonist binding**, ligand-induced conformational
        changes (notably involving AF-2/helix 12 in the ligand-binding domain) destabilize
        corepressor binding and favor recruitment of **coactivators** (e.g., p160/SRC family,
        CBP/p300, Mediator/DRIP/TRAP components), enabling transcriptional activation of retinoid-responsive
        genes.'
- term:
    id: GO:0004879
    label: nuclear receptor activity
  evidence_type: IEA
  original_reference_id: GO_REF:0000120
  review:
    summary: 'Core molecular function: RARA is a retinoic-acid-binding nuclear receptor transcription
      factor.'
    action: ACCEPT
    reason: Nuclear receptor activity is the central molecular function of RARA,
      integrating retinoid ligand binding, RXR heterodimerization, RARE binding, and
      transcriptional regulation.
    supported_by:
    - reference_id: file:human/RARA/RARA-deep-research-falcon.md
      supporting_text: '**RARA encodes RARα**, a ligand-activated nuclear receptor that functions
        as a **sequence-specific DNA-binding transcription factor**. RARα typically acts as
        a heterodimer with retinoid X receptor (RXR) on **retinoic acid response elements
        (RAREs)**, classically composed of **direct repeats of the hexamer PuG(G/T)TCA** spaced
        by 1–5 bp (e.g., DR5, DR2, DR1).'
    - reference_id: file:human/RARA/RARA-deep-research-falcon.md
      supporting_text: 'RARα supports a canonical nuclear-receptor **cofactor “switch” mechanism**:
        in the **absence of ligand**, RARα/RXR bound on DNA recruits **corepressors** such
        as **NCoR/SMRT** that are associated with histone deacetylase (HDAC) activity and
        transcriptional repression; upon **retinoid agonist binding**, ligand-induced conformational
        changes (notably involving AF-2/helix 12 in the ligand-binding domain) destabilize
        corepressor binding and favor recruitment of **coactivators** (e.g., p160/SRC family,
        CBP/p300, Mediator/DRIP/TRAP components), enabling transcriptional activation of retinoid-responsive
        genes.'
- term:
    id: GO:0005634
    label: nucleus
  evidence_type: IEA
  original_reference_id: GO_REF:0000120
  review:
    summary: Core nuclear localization for the RARA transcription factor.
    action: ACCEPT
    reason: RARA is primarily a nuclear transcription factor whose direct function
      occurs at nuclear response elements.
    supported_by:
    - reference_id: file:human/RARA/RARA-deep-research-falcon.md
      supporting_text: RARα is primarily described as **nuclear** and
        **chromatin-associated** through binding to promoter/enhancer RAREs; nucleosomes
        do not necessarily preclude binding.
    - reference_id: file:human/RARA/RARA-deep-research-falcon.md
      supporting_text: '**RARA encodes RARα**, a ligand-activated nuclear receptor that functions
        as a **sequence-specific DNA-binding transcription factor**.'
- term:
    id: GO:0005654
    label: nucleoplasm
  evidence_type: IEA
  original_reference_id: GO_REF:0000117
  review:
    summary: Supported nuclear subcompartment localization, but nucleoplasm is less
      informative than nucleus/chromatin for the core function.
    action: KEEP_AS_NON_CORE
    reason: Nucleoplasm localization is compatible with RARA biology, but the curatable
      core location is nuclear/chromatin-associated transcription factor activity.
    supported_by:
    - reference_id: file:human/RARA/RARA-deep-research-falcon.md
      supporting_text: RARα is primarily described as **nuclear** and
        **chromatin-associated** through binding to promoter/enhancer RAREs; nucleosomes
        do not necessarily preclude binding.
- term:
    id: GO:0005737
    label: cytoplasm
  evidence_type: IEA
  original_reference_id: GO_REF:0000120
  review:
    summary: Supported or plausible cytoplasmic/perinuclear pool, but non-core relative
      to nuclear/chromatin transcriptional regulation.
    action: KEEP_AS_NON_CORE
    reason: RARA can have cytoplasmic or regulated translocation pools, but direct
      GO-core function occurs as a nuclear/chromatin-associated transcription factor.
    supported_by:
    - reference_id: file:human/RARA/RARA-deep-research-falcon.md
      supporting_text: RARα is primarily described as **nuclear** and
        **chromatin-associated** through binding to promoter/enhancer RAREs; nucleosomes
        do not necessarily preclude binding.
- term:
    id: GO:0006355
    label: regulation of DNA-templated transcription
  evidence_type: IEA
  original_reference_id: GO_REF:0000002
  review:
    summary: The generic regulation of DNA-templated transcription term should be
      narrowed to RARA RNA polymerase II transcription regulation.
    action: MODIFY
    reason: RARA directly regulates RNA polymerase II target genes through
      ligand-dependent activation and unliganded repression; the parent term is less
      informative.
    proposed_replacement_terms:
    - id: GO:0045944
      label: positive regulation of transcription by RNA polymerase II
    - id: GO:0000122
      label: negative regulation of transcription by RNA polymerase II
    supported_by:
    - reference_id: file:human/RARA/RARA-deep-research-falcon.md
      supporting_text: 'RARα supports a canonical nuclear-receptor **cofactor “switch” mechanism**:
        in the **absence of ligand**, RARα/RXR bound on DNA recruits **corepressors** such
        as **NCoR/SMRT** that are associated with histone deacetylase (HDAC) activity and
        transcriptional repression; upon **retinoid agonist binding**, ligand-induced conformational
        changes (notably involving AF-2/helix 12 in the ligand-binding domain) destabilize
        corepressor binding and favor recruitment of **coactivators** (e.g., p160/SRC family,
        CBP/p300, Mediator/DRIP/TRAP components), enabling transcriptional activation of retinoid-responsive
        genes.'
    - reference_id: file:human/RARA/RARA-deep-research-falcon.md
      supporting_text: RARα is a core effector of retinoic acid signaling, transducing
        ligand binding into activation or repression of RA-responsive transcriptional
        programs.
- term:
    id: GO:0008270
    label: zinc ion binding
  evidence_type: IEA
  original_reference_id: GO_REF:0000120
  review:
    summary: Zinc ion binding is valid for the nuclear receptor DNA-binding domain but
      non-core relative to receptor/DNA-binding activity.
    action: KEEP_AS_NON_CORE
    reason: RARA has a zinc-finger DNA-binding domain, but zinc binding is a structural
      feature rather than the core curatable function.
    supported_by:
    - reference_id: file:human/RARA/RARA-deep-research-falcon.md
      supporting_text: '**RARA encodes RARα**, a ligand-activated nuclear receptor that functions
        as a **sequence-specific DNA-binding transcription factor**. RARα typically acts as
        a heterodimer with retinoid X receptor (RXR) on **retinoic acid response elements
        (RAREs)**, classically composed of **direct repeats of the hexamer PuG(G/T)TCA** spaced
        by 1–5 bp (e.g., DR5, DR2, DR1).'
    - reference_id: file:human/RARA/RARA-deep-research-falcon.md
      supporting_text: RARα binds RAREs primarily as an RXR heterodimer. Structural and
        biochemical evidence includes a **1.7 Å** crystal structure of RXR and RAR
        DNA-binding domains (DBDs) assembled on a **DR1** element that shows **RAR bound
        to the upstream (5′) half-site and RXR bound downstream (3′)**, i.e., **reverse
        polarity** compared with other RXR heterodimers.
- term:
    id: GO:0043565
    label: sequence-specific DNA binding
  evidence_type: IEA
  original_reference_id: GO_REF:0000120
  review:
    summary: Core sequence-specific DNA/RARE binding function of the RARA-RXR
      transcription factor complex.
    action: ACCEPT
    reason: RARA binds retinoic acid response elements, primarily as an RXR heterodimer,
      and this DNA binding is central to its transcriptional regulatory function.
    supported_by:
    - reference_id: file:human/RARA/RARA-deep-research-falcon.md
      supporting_text: '**RARA encodes RARα**, a ligand-activated nuclear receptor that functions
        as a **sequence-specific DNA-binding transcription factor**. RARα typically acts as
        a heterodimer with retinoid X receptor (RXR) on **retinoic acid response elements
        (RAREs)**, classically composed of **direct repeats of the hexamer PuG(G/T)TCA** spaced
        by 1–5 bp (e.g., DR5, DR2, DR1).'
    - reference_id: file:human/RARA/RARA-deep-research-falcon.md
      supporting_text: RARα binds RAREs primarily as an RXR heterodimer. Structural and
        biochemical evidence includes a **1.7 Å** crystal structure of RXR and RAR
        DNA-binding domains (DBDs) assembled on a **DR1** element that shows **RAR bound
        to the upstream (5′) half-site and RXR bound downstream (3′)**, i.e., **reverse
        polarity** compared with other RXR heterodimers.
- term:
    id: GO:0046872
    label: metal ion binding
  evidence_type: IEA
  original_reference_id: GO_REF:0000043
  review:
    summary: The generic metal ion binding term should be narrowed to zinc ion binding.
    action: MODIFY
    reason: The relevant metal-binding biology is the zinc-finger DNA-binding domain of
      a nuclear receptor.
    proposed_replacement_terms:
    - id: GO:0008270
      label: zinc ion binding
    supported_by:
    - reference_id: file:human/RARA/RARA-deep-research-falcon.md
      supporting_text: '**RARA encodes RARα**, a ligand-activated nuclear receptor that functions
        as a **sequence-specific DNA-binding transcription factor**. RARα typically acts as
        a heterodimer with retinoid X receptor (RXR) on **retinoic acid response elements
        (RAREs)**, classically composed of **direct repeats of the hexamer PuG(G/T)TCA** spaced
        by 1–5 bp (e.g., DR5, DR2, DR1).'
    - reference_id: file:human/RARA/RARA-deep-research-falcon.md
      supporting_text: RARα binds RAREs primarily as an RXR heterodimer. Structural and
        biochemical evidence includes a **1.7 Å** crystal structure of RXR and RAR
        DNA-binding domains (DBDs) assembled on a **DR1** element that shows **RAR bound
        to the upstream (5′) half-site and RXR bound downstream (3′)**, i.e., **reverse
        polarity** compared with other RXR heterodimers.
- term:
    id: GO:0048384
    label: retinoic acid receptor signaling pathway
  evidence_type: IEA
  original_reference_id: GO_REF:0000002
  review:
    summary: 'Core biological process: RARA mediates retinoic acid receptor signaling through
      ligand-dependent transcriptional regulation.'
    action: ACCEPT
    reason: Retinoic acid receptor signaling is the direct pathway in which RARA
      transduces retinoid ligand binding into RARE-bound transcriptional regulation.
    supported_by:
    - reference_id: file:human/RARA/RARA-deep-research-falcon.md
      supporting_text: '**RARA encodes RARα**, a ligand-activated nuclear receptor that functions
        as a **sequence-specific DNA-binding transcription factor**. RARα typically acts as
        a heterodimer with retinoid X receptor (RXR) on **retinoic acid response elements
        (RAREs)**, classically composed of **direct repeats of the hexamer PuG(G/T)TCA** spaced
        by 1–5 bp (e.g., DR5, DR2, DR1).'
    - reference_id: file:human/RARA/RARA-deep-research-falcon.md
      supporting_text: RARα is a core effector of retinoic acid signaling, transducing
        ligand binding into activation or repression of RA-responsive transcriptional
        programs.
- term:
    id: GO:1990837
    label: sequence-specific double-stranded DNA binding
  evidence_type: IEA
  original_reference_id: GO_REF:0000117
  review:
    summary: Core sequence-specific DNA/RARE binding function of the RARA-RXR
      transcription factor complex.
    action: ACCEPT
    reason: RARA binds retinoic acid response elements, primarily as an RXR heterodimer,
      and this DNA binding is central to its transcriptional regulatory function.
    supported_by:
    - reference_id: file:human/RARA/RARA-deep-research-falcon.md
      supporting_text: '**RARA encodes RARα**, a ligand-activated nuclear receptor that functions
        as a **sequence-specific DNA-binding transcription factor**. RARα typically acts as
        a heterodimer with retinoid X receptor (RXR) on **retinoic acid response elements
        (RAREs)**, classically composed of **direct repeats of the hexamer PuG(G/T)TCA** spaced
        by 1–5 bp (e.g., DR5, DR2, DR1).'
    - reference_id: file:human/RARA/RARA-deep-research-falcon.md
      supporting_text: RARα binds RAREs primarily as an RXR heterodimer. Structural and
        biochemical evidence includes a **1.7 Å** crystal structure of RXR and RAR
        DNA-binding domains (DBDs) assembled on a **DR1** element that shows **RAR bound
        to the upstream (5′) half-site and RXR bound downstream (3′)**, i.e., **reverse
        polarity** compared with other RXR heterodimers.
- term:
    id: GO:0005515
    label: protein binding
  evidence_type: IPI
  original_reference_id: PMID:10698945
  review:
    summary: Protein binding is an uninformative over-annotation for RARA.
    action: MARK_AS_OVER_ANNOTATED
    reason: RARA has many documented interactions with RXR, coactivators, corepressors,
      kinases, and disease-associated partners, but GO:0005515 does not describe the
      functional mechanism. More informative terms cover nuclear receptor activity, RARE
      binding, transcription regulator complexes, and specific cofactor binding.
    supported_by:
    - reference_id: file:human/RARA/RARA-deep-research-falcon.md
      supporting_text: 'RARα supports a canonical nuclear-receptor **cofactor “switch” mechanism**:
        in the **absence of ligand**, RARα/RXR bound on DNA recruits **corepressors** such
        as **NCoR/SMRT** that are associated with histone deacetylase (HDAC) activity and
        transcriptional repression; upon **retinoid agonist binding**, ligand-induced conformational
        changes (notably involving AF-2/helix 12 in the ligand-binding domain) destabilize
        corepressor binding and favor recruitment of **coactivators** (e.g., p160/SRC family,
        CBP/p300, Mediator/DRIP/TRAP components), enabling transcriptional activation of retinoid-responsive
        genes.'
    - reference_id: file:human/RARA/RARA-deep-research-falcon.md
      supporting_text: '**RARA encodes RARα**, a ligand-activated nuclear receptor that functions
        as a **sequence-specific DNA-binding transcription factor**. RARα typically acts as
        a heterodimer with retinoid X receptor (RXR) on **retinoic acid response elements
        (RAREs)**, classically composed of **direct repeats of the hexamer PuG(G/T)TCA** spaced
        by 1–5 bp (e.g., DR5, DR2, DR1).'
- term:
    id: GO:0005515
    label: protein binding
  evidence_type: IPI
  original_reference_id: PMID:16189514
  review:
    summary: Protein binding is an uninformative over-annotation for RARA.
    action: MARK_AS_OVER_ANNOTATED
    reason: RARA has many documented interactions with RXR, coactivators, corepressors,
      kinases, and disease-associated partners, but GO:0005515 does not describe the
      functional mechanism. More informative terms cover nuclear receptor activity, RARE
      binding, transcription regulator complexes, and specific cofactor binding.
    supported_by:
    - reference_id: file:human/RARA/RARA-deep-research-falcon.md
      supporting_text: 'RARα supports a canonical nuclear-receptor **cofactor “switch” mechanism**:
        in the **absence of ligand**, RARα/RXR bound on DNA recruits **corepressors** such
        as **NCoR/SMRT** that are associated with histone deacetylase (HDAC) activity and
        transcriptional repression; upon **retinoid agonist binding**, ligand-induced conformational
        changes (notably involving AF-2/helix 12 in the ligand-binding domain) destabilize
        corepressor binding and favor recruitment of **coactivators** (e.g., p160/SRC family,
        CBP/p300, Mediator/DRIP/TRAP components), enabling transcriptional activation of retinoid-responsive
        genes.'
    - reference_id: file:human/RARA/RARA-deep-research-falcon.md
      supporting_text: '**RARA encodes RARα**, a ligand-activated nuclear receptor that functions
        as a **sequence-specific DNA-binding transcription factor**. RARα typically acts as
        a heterodimer with retinoid X receptor (RXR) on **retinoic acid response elements
        (RAREs)**, classically composed of **direct repeats of the hexamer PuG(G/T)TCA** spaced
        by 1–5 bp (e.g., DR5, DR2, DR1).'
- term:
    id: GO:0005515
    label: protein binding
  evidence_type: IPI
  original_reference_id: PMID:16456540
  review:
    summary: Protein binding is an uninformative over-annotation for RARA.
    action: MARK_AS_OVER_ANNOTATED
    reason: RARA has many documented interactions with RXR, coactivators, corepressors,
      kinases, and disease-associated partners, but GO:0005515 does not describe the
      functional mechanism. More informative terms cover nuclear receptor activity, RARE
      binding, transcription regulator complexes, and specific cofactor binding.
    supported_by:
    - reference_id: file:human/RARA/RARA-deep-research-falcon.md
      supporting_text: 'RARα supports a canonical nuclear-receptor **cofactor “switch” mechanism**:
        in the **absence of ligand**, RARα/RXR bound on DNA recruits **corepressors** such
        as **NCoR/SMRT** that are associated with histone deacetylase (HDAC) activity and
        transcriptional repression; upon **retinoid agonist binding**, ligand-induced conformational
        changes (notably involving AF-2/helix 12 in the ligand-binding domain) destabilize
        corepressor binding and favor recruitment of **coactivators** (e.g., p160/SRC family,
        CBP/p300, Mediator/DRIP/TRAP components), enabling transcriptional activation of retinoid-responsive
        genes.'
    - reference_id: file:human/RARA/RARA-deep-research-falcon.md
      supporting_text: '**RARA encodes RARα**, a ligand-activated nuclear receptor that functions
        as a **sequence-specific DNA-binding transcription factor**. RARα typically acts as
        a heterodimer with retinoid X receptor (RXR) on **retinoic acid response elements
        (RAREs)**, classically composed of **direct repeats of the hexamer PuG(G/T)TCA** spaced
        by 1–5 bp (e.g., DR5, DR2, DR1).'
- term:
    id: GO:0005515
    label: protein binding
  evidence_type: IPI
  original_reference_id: PMID:16606617
  review:
    summary: Protein binding is an uninformative over-annotation for RARA.
    action: MARK_AS_OVER_ANNOTATED
    reason: RARA has many documented interactions with RXR, coactivators, corepressors,
      kinases, and disease-associated partners, but GO:0005515 does not describe the
      functional mechanism. More informative terms cover nuclear receptor activity, RARE
      binding, transcription regulator complexes, and specific cofactor binding.
    supported_by:
    - reference_id: file:human/RARA/RARA-deep-research-falcon.md
      supporting_text: 'RARα supports a canonical nuclear-receptor **cofactor “switch” mechanism**:
        in the **absence of ligand**, RARα/RXR bound on DNA recruits **corepressors** such
        as **NCoR/SMRT** that are associated with histone deacetylase (HDAC) activity and
        transcriptional repression; upon **retinoid agonist binding**, ligand-induced conformational
        changes (notably involving AF-2/helix 12 in the ligand-binding domain) destabilize
        corepressor binding and favor recruitment of **coactivators** (e.g., p160/SRC family,
        CBP/p300, Mediator/DRIP/TRAP components), enabling transcriptional activation of retinoid-responsive
        genes.'
    - reference_id: file:human/RARA/RARA-deep-research-falcon.md
      supporting_text: '**RARA encodes RARα**, a ligand-activated nuclear receptor that functions
        as a **sequence-specific DNA-binding transcription factor**. RARα typically acts as
        a heterodimer with retinoid X receptor (RXR) on **retinoic acid response elements
        (RAREs)**, classically composed of **direct repeats of the hexamer PuG(G/T)TCA** spaced
        by 1–5 bp (e.g., DR5, DR2, DR1).'
- term:
    id: GO:0005515
    label: protein binding
  evidence_type: IPI
  original_reference_id: PMID:16769902
  review:
    summary: Protein binding is an uninformative over-annotation for RARA.
    action: MARK_AS_OVER_ANNOTATED
    reason: RARA has many documented interactions with RXR, coactivators, corepressors,
      kinases, and disease-associated partners, but GO:0005515 does not describe the
      functional mechanism. More informative terms cover nuclear receptor activity, RARE
      binding, transcription regulator complexes, and specific cofactor binding.
    supported_by:
    - reference_id: file:human/RARA/RARA-deep-research-falcon.md
      supporting_text: 'RARα supports a canonical nuclear-receptor **cofactor “switch” mechanism**:
        in the **absence of ligand**, RARα/RXR bound on DNA recruits **corepressors** such
        as **NCoR/SMRT** that are associated with histone deacetylase (HDAC) activity and
        transcriptional repression; upon **retinoid agonist binding**, ligand-induced conformational
        changes (notably involving AF-2/helix 12 in the ligand-binding domain) destabilize
        corepressor binding and favor recruitment of **coactivators** (e.g., p160/SRC family,
        CBP/p300, Mediator/DRIP/TRAP components), enabling transcriptional activation of retinoid-responsive
        genes.'
    - reference_id: file:human/RARA/RARA-deep-research-falcon.md
      supporting_text: '**RARA encodes RARα**, a ligand-activated nuclear receptor that functions
        as a **sequence-specific DNA-binding transcription factor**. RARα typically acts as
        a heterodimer with retinoid X receptor (RXR) on **retinoic acid response elements
        (RAREs)**, classically composed of **direct repeats of the hexamer PuG(G/T)TCA** spaced
        by 1–5 bp (e.g., DR5, DR2, DR1).'
- term:
    id: GO:0005515
    label: protein binding
  evidence_type: IPI
  original_reference_id: PMID:17560333
  review:
    summary: Protein binding is an uninformative over-annotation for RARA.
    action: MARK_AS_OVER_ANNOTATED
    reason: RARA has many documented interactions with RXR, coactivators, corepressors,
      kinases, and disease-associated partners, but GO:0005515 does not describe the
      functional mechanism. More informative terms cover nuclear receptor activity, RARE
      binding, transcription regulator complexes, and specific cofactor binding.
    supported_by:
    - reference_id: file:human/RARA/RARA-deep-research-falcon.md
      supporting_text: 'RARα supports a canonical nuclear-receptor **cofactor “switch” mechanism**:
        in the **absence of ligand**, RARα/RXR bound on DNA recruits **corepressors** such
        as **NCoR/SMRT** that are associated with histone deacetylase (HDAC) activity and
        transcriptional repression; upon **retinoid agonist binding**, ligand-induced conformational
        changes (notably involving AF-2/helix 12 in the ligand-binding domain) destabilize
        corepressor binding and favor recruitment of **coactivators** (e.g., p160/SRC family,
        CBP/p300, Mediator/DRIP/TRAP components), enabling transcriptional activation of retinoid-responsive
        genes.'
    - reference_id: file:human/RARA/RARA-deep-research-falcon.md
      supporting_text: '**RARA encodes RARα**, a ligand-activated nuclear receptor that functions
        as a **sequence-specific DNA-binding transcription factor**. RARα typically acts as
        a heterodimer with retinoid X receptor (RXR) on **retinoic acid response elements
        (RAREs)**, classically composed of **direct repeats of the hexamer PuG(G/T)TCA** spaced
        by 1–5 bp (e.g., DR5, DR2, DR1).'
- term:
    id: GO:0005515
    label: protein binding
  evidence_type: IPI
  original_reference_id: PMID:17641689
  review:
    summary: Protein binding is an uninformative over-annotation for RARA.
    action: MARK_AS_OVER_ANNOTATED
    reason: RARA has many documented interactions with RXR, coactivators, corepressors,
      kinases, and disease-associated partners, but GO:0005515 does not describe the
      functional mechanism. More informative terms cover nuclear receptor activity, RARE
      binding, transcription regulator complexes, and specific cofactor binding.
    supported_by:
    - reference_id: file:human/RARA/RARA-deep-research-falcon.md
      supporting_text: 'RARα supports a canonical nuclear-receptor **cofactor “switch” mechanism**:
        in the **absence of ligand**, RARα/RXR bound on DNA recruits **corepressors** such
        as **NCoR/SMRT** that are associated with histone deacetylase (HDAC) activity and
        transcriptional repression; upon **retinoid agonist binding**, ligand-induced conformational
        changes (notably involving AF-2/helix 12 in the ligand-binding domain) destabilize
        corepressor binding and favor recruitment of **coactivators** (e.g., p160/SRC family,
        CBP/p300, Mediator/DRIP/TRAP components), enabling transcriptional activation of retinoid-responsive
        genes.'
    - reference_id: file:human/RARA/RARA-deep-research-falcon.md
      supporting_text: '**RARA encodes RARα**, a ligand-activated nuclear receptor that functions
        as a **sequence-specific DNA-binding transcription factor**. RARα typically acts as
        a heterodimer with retinoid X receptor (RXR) on **retinoic acid response elements
        (RAREs)**, classically composed of **direct repeats of the hexamer PuG(G/T)TCA** spaced
        by 1–5 bp (e.g., DR5, DR2, DR1).'
- term:
    id: GO:0005515
    label: protein binding
  evidence_type: IPI
  original_reference_id: PMID:18048326
  review:
    summary: Protein binding is an uninformative over-annotation for RARA.
    action: MARK_AS_OVER_ANNOTATED
    reason: RARA has many documented interactions with RXR, coactivators, corepressors,
      kinases, and disease-associated partners, but GO:0005515 does not describe the
      functional mechanism. More informative terms cover nuclear receptor activity, RARE
      binding, transcription regulator complexes, and specific cofactor binding.
    supported_by:
    - reference_id: file:human/RARA/RARA-deep-research-falcon.md
      supporting_text: 'RARα supports a canonical nuclear-receptor **cofactor “switch” mechanism**:
        in the **absence of ligand**, RARα/RXR bound on DNA recruits **corepressors** such
        as **NCoR/SMRT** that are associated with histone deacetylase (HDAC) activity and
        transcriptional repression; upon **retinoid agonist binding**, ligand-induced conformational
        changes (notably involving AF-2/helix 12 in the ligand-binding domain) destabilize
        corepressor binding and favor recruitment of **coactivators** (e.g., p160/SRC family,
        CBP/p300, Mediator/DRIP/TRAP components), enabling transcriptional activation of retinoid-responsive
        genes.'
    - reference_id: file:human/RARA/RARA-deep-research-falcon.md
      supporting_text: '**RARA encodes RARα**, a ligand-activated nuclear receptor that functions
        as a **sequence-specific DNA-binding transcription factor**. RARα typically acts as
        a heterodimer with retinoid X receptor (RXR) on **retinoic acid response elements
        (RAREs)**, classically composed of **direct repeats of the hexamer PuG(G/T)TCA** spaced
        by 1–5 bp (e.g., DR5, DR2, DR1).'
- term:
    id: GO:0005515
    label: protein binding
  evidence_type: IPI
  original_reference_id: PMID:19345331
  review:
    summary: Protein binding is an uninformative over-annotation for RARA.
    action: MARK_AS_OVER_ANNOTATED
    reason: RARA has many documented interactions with RXR, coactivators, corepressors,
      kinases, and disease-associated partners, but GO:0005515 does not describe the
      functional mechanism. More informative terms cover nuclear receptor activity, RARE
      binding, transcription regulator complexes, and specific cofactor binding.
    supported_by:
    - reference_id: file:human/RARA/RARA-deep-research-falcon.md
      supporting_text: 'RARα supports a canonical nuclear-receptor **cofactor “switch” mechanism**:
        in the **absence of ligand**, RARα/RXR bound on DNA recruits **corepressors** such
        as **NCoR/SMRT** that are associated with histone deacetylase (HDAC) activity and
        transcriptional repression; upon **retinoid agonist binding**, ligand-induced conformational
        changes (notably involving AF-2/helix 12 in the ligand-binding domain) destabilize
        corepressor binding and favor recruitment of **coactivators** (e.g., p160/SRC family,
        CBP/p300, Mediator/DRIP/TRAP components), enabling transcriptional activation of retinoid-responsive
        genes.'
    - reference_id: file:human/RARA/RARA-deep-research-falcon.md
      supporting_text: '**RARA encodes RARα**, a ligand-activated nuclear receptor that functions
        as a **sequence-specific DNA-binding transcription factor**. RARα typically acts as
        a heterodimer with retinoid X receptor (RXR) on **retinoic acid response elements
        (RAREs)**, classically composed of **direct repeats of the hexamer PuG(G/T)TCA** spaced
        by 1–5 bp (e.g., DR5, DR2, DR1).'
- term:
    id: GO:0005515
    label: protein binding
  evidence_type: IPI
  original_reference_id: PMID:19934264
  review:
    summary: Protein binding is an uninformative over-annotation for RARA.
    action: MARK_AS_OVER_ANNOTATED
    reason: RARA has many documented interactions with RXR, coactivators, corepressors,
      kinases, and disease-associated partners, but GO:0005515 does not describe the
      functional mechanism. More informative terms cover nuclear receptor activity, RARE
      binding, transcription regulator complexes, and specific cofactor binding.
    supported_by:
    - reference_id: file:human/RARA/RARA-deep-research-falcon.md
      supporting_text: 'RARα supports a canonical nuclear-receptor **cofactor “switch” mechanism**:
        in the **absence of ligand**, RARα/RXR bound on DNA recruits **corepressors** such
        as **NCoR/SMRT** that are associated with histone deacetylase (HDAC) activity and
        transcriptional repression; upon **retinoid agonist binding**, ligand-induced conformational
        changes (notably involving AF-2/helix 12 in the ligand-binding domain) destabilize
        corepressor binding and favor recruitment of **coactivators** (e.g., p160/SRC family,
        CBP/p300, Mediator/DRIP/TRAP components), enabling transcriptional activation of retinoid-responsive
        genes.'
    - reference_id: file:human/RARA/RARA-deep-research-falcon.md
      supporting_text: '**RARA encodes RARα**, a ligand-activated nuclear receptor that functions
        as a **sequence-specific DNA-binding transcription factor**. RARα typically acts as
        a heterodimer with retinoid X receptor (RXR) on **retinoic acid response elements
        (RAREs)**, classically composed of **direct repeats of the hexamer PuG(G/T)TCA** spaced
        by 1–5 bp (e.g., DR5, DR2, DR1).'
- term:
    id: GO:0005515
    label: protein binding
  evidence_type: IPI
  original_reference_id: PMID:20133701
  review:
    summary: Protein binding is an uninformative over-annotation for RARA.
    action: MARK_AS_OVER_ANNOTATED
    reason: RARA has many documented interactions with RXR, coactivators, corepressors,
      kinases, and disease-associated partners, but GO:0005515 does not describe the
      functional mechanism. More informative terms cover nuclear receptor activity, RARE
      binding, transcription regulator complexes, and specific cofactor binding.
    supported_by:
    - reference_id: file:human/RARA/RARA-deep-research-falcon.md
      supporting_text: 'RARα supports a canonical nuclear-receptor **cofactor “switch” mechanism**:
        in the **absence of ligand**, RARα/RXR bound on DNA recruits **corepressors** such
        as **NCoR/SMRT** that are associated with histone deacetylase (HDAC) activity and
        transcriptional repression; upon **retinoid agonist binding**, ligand-induced conformational
        changes (notably involving AF-2/helix 12 in the ligand-binding domain) destabilize
        corepressor binding and favor recruitment of **coactivators** (e.g., p160/SRC family,
        CBP/p300, Mediator/DRIP/TRAP components), enabling transcriptional activation of retinoid-responsive
        genes.'
    - reference_id: file:human/RARA/RARA-deep-research-falcon.md
      supporting_text: '**RARA encodes RARα**, a ligand-activated nuclear receptor that functions
        as a **sequence-specific DNA-binding transcription factor**. RARα typically acts as
        a heterodimer with retinoid X receptor (RXR) on **retinoic acid response elements
        (RAREs)**, classically composed of **direct repeats of the hexamer PuG(G/T)TCA** spaced
        by 1–5 bp (e.g., DR5, DR2, DR1).'
- term:
    id: GO:0005515
    label: protein binding
  evidence_type: IPI
  original_reference_id: PMID:20211142
  review:
    summary: Protein binding is an uninformative over-annotation for RARA.
    action: MARK_AS_OVER_ANNOTATED
    reason: RARA has many documented interactions with RXR, coactivators, corepressors,
      kinases, and disease-associated partners, but GO:0005515 does not describe the
      functional mechanism. More informative terms cover nuclear receptor activity, RARE
      binding, transcription regulator complexes, and specific cofactor binding.
    supported_by:
    - reference_id: file:human/RARA/RARA-deep-research-falcon.md
      supporting_text: 'RARα supports a canonical nuclear-receptor **cofactor “switch” mechanism**:
        in the **absence of ligand**, RARα/RXR bound on DNA recruits **corepressors** such
        as **NCoR/SMRT** that are associated with histone deacetylase (HDAC) activity and
        transcriptional repression; upon **retinoid agonist binding**, ligand-induced conformational
        changes (notably involving AF-2/helix 12 in the ligand-binding domain) destabilize
        corepressor binding and favor recruitment of **coactivators** (e.g., p160/SRC family,
        CBP/p300, Mediator/DRIP/TRAP components), enabling transcriptional activation of retinoid-responsive
        genes.'
    - reference_id: file:human/RARA/RARA-deep-research-falcon.md
      supporting_text: '**RARA encodes RARα**, a ligand-activated nuclear receptor that functions
        as a **sequence-specific DNA-binding transcription factor**. RARα typically acts as
        a heterodimer with retinoid X receptor (RXR) on **retinoic acid response elements
        (RAREs)**, classically composed of **direct repeats of the hexamer PuG(G/T)TCA** spaced
        by 1–5 bp (e.g., DR5, DR2, DR1).'
- term:
    id: GO:0005515
    label: protein binding
  evidence_type: IPI
  original_reference_id: PMID:20543827
  review:
    summary: Protein binding is an uninformative over-annotation for RARA.
    action: MARK_AS_OVER_ANNOTATED
    reason: RARA has many documented interactions with RXR, coactivators, corepressors,
      kinases, and disease-associated partners, but GO:0005515 does not describe the
      functional mechanism. More informative terms cover nuclear receptor activity, RARE
      binding, transcription regulator complexes, and specific cofactor binding.
    supported_by:
    - reference_id: file:human/RARA/RARA-deep-research-falcon.md
      supporting_text: 'RARα supports a canonical nuclear-receptor **cofactor “switch” mechanism**:
        in the **absence of ligand**, RARα/RXR bound on DNA recruits **corepressors** such
        as **NCoR/SMRT** that are associated with histone deacetylase (HDAC) activity and
        transcriptional repression; upon **retinoid agonist binding**, ligand-induced conformational
        changes (notably involving AF-2/helix 12 in the ligand-binding domain) destabilize
        corepressor binding and favor recruitment of **coactivators** (e.g., p160/SRC family,
        CBP/p300, Mediator/DRIP/TRAP components), enabling transcriptional activation of retinoid-responsive
        genes.'
    - reference_id: file:human/RARA/RARA-deep-research-falcon.md
      supporting_text: '**RARA encodes RARα**, a ligand-activated nuclear receptor that functions
        as a **sequence-specific DNA-binding transcription factor**. RARα typically acts as
        a heterodimer with retinoid X receptor (RXR) on **retinoic acid response elements
        (RAREs)**, classically composed of **direct repeats of the hexamer PuG(G/T)TCA** spaced
        by 1–5 bp (e.g., DR5, DR2, DR1).'
- term:
    id: GO:0005515
    label: protein binding
  evidence_type: IPI
  original_reference_id: PMID:21478865
  review:
    summary: Protein binding is an uninformative over-annotation for RARA.
    action: MARK_AS_OVER_ANNOTATED
    reason: RARA has many documented interactions with RXR, coactivators, corepressors,
      kinases, and disease-associated partners, but GO:0005515 does not describe the
      functional mechanism. More informative terms cover nuclear receptor activity, RARE
      binding, transcription regulator complexes, and specific cofactor binding.
    supported_by:
    - reference_id: file:human/RARA/RARA-deep-research-falcon.md
      supporting_text: 'RARα supports a canonical nuclear-receptor **cofactor “switch” mechanism**:
        in the **absence of ligand**, RARα/RXR bound on DNA recruits **corepressors** such
        as **NCoR/SMRT** that are associated with histone deacetylase (HDAC) activity and
        transcriptional repression; upon **retinoid agonist binding**, ligand-induced conformational
        changes (notably involving AF-2/helix 12 in the ligand-binding domain) destabilize
        corepressor binding and favor recruitment of **coactivators** (e.g., p160/SRC family,
        CBP/p300, Mediator/DRIP/TRAP components), enabling transcriptional activation of retinoid-responsive
        genes.'
    - reference_id: file:human/RARA/RARA-deep-research-falcon.md
      supporting_text: '**RARA encodes RARα**, a ligand-activated nuclear receptor that functions
        as a **sequence-specific DNA-binding transcription factor**. RARα typically acts as
        a heterodimer with retinoid X receptor (RXR) on **retinoic acid response elements
        (RAREs)**, classically composed of **direct repeats of the hexamer PuG(G/T)TCA** spaced
        by 1–5 bp (e.g., DR5, DR2, DR1).'
- term:
    id: GO:0005515
    label: protein binding
  evidence_type: IPI
  original_reference_id: PMID:21516116
  review:
    summary: Protein binding is an uninformative over-annotation for RARA.
    action: MARK_AS_OVER_ANNOTATED
    reason: RARA has many documented interactions with RXR, coactivators, corepressors,
      kinases, and disease-associated partners, but GO:0005515 does not describe the
      functional mechanism. More informative terms cover nuclear receptor activity, RARE
      binding, transcription regulator complexes, and specific cofactor binding.
    supported_by:
    - reference_id: file:human/RARA/RARA-deep-research-falcon.md
      supporting_text: 'RARα supports a canonical nuclear-receptor **cofactor “switch” mechanism**:
        in the **absence of ligand**, RARα/RXR bound on DNA recruits **corepressors** such
        as **NCoR/SMRT** that are associated with histone deacetylase (HDAC) activity and
        transcriptional repression; upon **retinoid agonist binding**, ligand-induced conformational
        changes (notably involving AF-2/helix 12 in the ligand-binding domain) destabilize
        corepressor binding and favor recruitment of **coactivators** (e.g., p160/SRC family,
        CBP/p300, Mediator/DRIP/TRAP components), enabling transcriptional activation of retinoid-responsive
        genes.'
    - reference_id: file:human/RARA/RARA-deep-research-falcon.md
      supporting_text: '**RARA encodes RARα**, a ligand-activated nuclear receptor that functions
        as a **sequence-specific DNA-binding transcription factor**. RARα typically acts as
        a heterodimer with retinoid X receptor (RXR) on **retinoic acid response elements
        (RAREs)**, classically composed of **direct repeats of the hexamer PuG(G/T)TCA** spaced
        by 1–5 bp (e.g., DR5, DR2, DR1).'
- term:
    id: GO:0005515
    label: protein binding
  evidence_type: IPI
  original_reference_id: PMID:21988832
  review:
    summary: Protein binding is an uninformative over-annotation for RARA.
    action: MARK_AS_OVER_ANNOTATED
    reason: RARA has many documented interactions with RXR, coactivators, corepressors,
      kinases, and disease-associated partners, but GO:0005515 does not describe the
      functional mechanism. More informative terms cover nuclear receptor activity, RARE
      binding, transcription regulator complexes, and specific cofactor binding.
    supported_by:
    - reference_id: file:human/RARA/RARA-deep-research-falcon.md
      supporting_text: 'RARα supports a canonical nuclear-receptor **cofactor “switch” mechanism**:
        in the **absence of ligand**, RARα/RXR bound on DNA recruits **corepressors** such
        as **NCoR/SMRT** that are associated with histone deacetylase (HDAC) activity and
        transcriptional repression; upon **retinoid agonist binding**, ligand-induced conformational
        changes (notably involving AF-2/helix 12 in the ligand-binding domain) destabilize
        corepressor binding and favor recruitment of **coactivators** (e.g., p160/SRC family,
        CBP/p300, Mediator/DRIP/TRAP components), enabling transcriptional activation of retinoid-responsive
        genes.'
    - reference_id: file:human/RARA/RARA-deep-research-falcon.md
      supporting_text: '**RARA encodes RARα**, a ligand-activated nuclear receptor that functions
        as a **sequence-specific DNA-binding transcription factor**. RARα typically acts as
        a heterodimer with retinoid X receptor (RXR) on **retinoic acid response elements
        (RAREs)**, classically composed of **direct repeats of the hexamer PuG(G/T)TCA** spaced
        by 1–5 bp (e.g., DR5, DR2, DR1).'
- term:
    id: GO:0005515
    label: protein binding
  evidence_type: IPI
  original_reference_id: PMID:22056876
  review:
    summary: Protein binding is an uninformative over-annotation for RARA.
    action: MARK_AS_OVER_ANNOTATED
    reason: RARA has many documented interactions with RXR, coactivators, corepressors,
      kinases, and disease-associated partners, but GO:0005515 does not describe the
      functional mechanism. More informative terms cover nuclear receptor activity, RARE
      binding, transcription regulator complexes, and specific cofactor binding.
    supported_by:
    - reference_id: file:human/RARA/RARA-deep-research-falcon.md
      supporting_text: 'RARα supports a canonical nuclear-receptor **cofactor “switch” mechanism**:
        in the **absence of ligand**, RARα/RXR bound on DNA recruits **corepressors** such
        as **NCoR/SMRT** that are associated with histone deacetylase (HDAC) activity and
        transcriptional repression; upon **retinoid agonist binding**, ligand-induced conformational
        changes (notably involving AF-2/helix 12 in the ligand-binding domain) destabilize
        corepressor binding and favor recruitment of **coactivators** (e.g., p160/SRC family,
        CBP/p300, Mediator/DRIP/TRAP components), enabling transcriptional activation of retinoid-responsive
        genes.'
    - reference_id: file:human/RARA/RARA-deep-research-falcon.md
      supporting_text: '**RARA encodes RARα**, a ligand-activated nuclear receptor that functions
        as a **sequence-specific DNA-binding transcription factor**. RARα typically acts as
        a heterodimer with retinoid X receptor (RXR) on **retinoic acid response elements
        (RAREs)**, classically composed of **direct repeats of the hexamer PuG(G/T)TCA** spaced
        by 1–5 bp (e.g., DR5, DR2, DR1).'
- term:
    id: GO:0005515
    label: protein binding
  evidence_type: IPI
  original_reference_id: PMID:22351778
  review:
    summary: Protein binding is an uninformative over-annotation for RARA.
    action: MARK_AS_OVER_ANNOTATED
    reason: RARA has many documented interactions with RXR, coactivators, corepressors,
      kinases, and disease-associated partners, but GO:0005515 does not describe the
      functional mechanism. More informative terms cover nuclear receptor activity, RARE
      binding, transcription regulator complexes, and specific cofactor binding.
    supported_by:
    - reference_id: file:human/RARA/RARA-deep-research-falcon.md
      supporting_text: 'RARα supports a canonical nuclear-receptor **cofactor “switch” mechanism**:
        in the **absence of ligand**, RARα/RXR bound on DNA recruits **corepressors** such
        as **NCoR/SMRT** that are associated with histone deacetylase (HDAC) activity and
        transcriptional repression; upon **retinoid agonist binding**, ligand-induced conformational
        changes (notably involving AF-2/helix 12 in the ligand-binding domain) destabilize
        corepressor binding and favor recruitment of **coactivators** (e.g., p160/SRC family,
        CBP/p300, Mediator/DRIP/TRAP components), enabling transcriptional activation of retinoid-responsive
        genes.'
    - reference_id: file:human/RARA/RARA-deep-research-falcon.md
      supporting_text: '**RARA encodes RARα**, a ligand-activated nuclear receptor that functions
        as a **sequence-specific DNA-binding transcription factor**. RARα typically acts as
        a heterodimer with retinoid X receptor (RXR) on **retinoic acid response elements
        (RAREs)**, classically composed of **direct repeats of the hexamer PuG(G/T)TCA** spaced
        by 1–5 bp (e.g., DR5, DR2, DR1).'
- term:
    id: GO:0005515
    label: protein binding
  evidence_type: IPI
  original_reference_id: PMID:23518351
  review:
    summary: Protein binding is an uninformative over-annotation for RARA.
    action: MARK_AS_OVER_ANNOTATED
    reason: RARA has many documented interactions with RXR, coactivators, corepressors,
      kinases, and disease-associated partners, but GO:0005515 does not describe the
      functional mechanism. More informative terms cover nuclear receptor activity, RARE
      binding, transcription regulator complexes, and specific cofactor binding.
    supported_by:
    - reference_id: file:human/RARA/RARA-deep-research-falcon.md
      supporting_text: 'RARα supports a canonical nuclear-receptor **cofactor “switch” mechanism**:
        in the **absence of ligand**, RARα/RXR bound on DNA recruits **corepressors** such
        as **NCoR/SMRT** that are associated with histone deacetylase (HDAC) activity and
        transcriptional repression; upon **retinoid agonist binding**, ligand-induced conformational
        changes (notably involving AF-2/helix 12 in the ligand-binding domain) destabilize
        corepressor binding and favor recruitment of **coactivators** (e.g., p160/SRC family,
        CBP/p300, Mediator/DRIP/TRAP components), enabling transcriptional activation of retinoid-responsive
        genes.'
    - reference_id: file:human/RARA/RARA-deep-research-falcon.md
      supporting_text: '**RARA encodes RARα**, a ligand-activated nuclear receptor that functions
        as a **sequence-specific DNA-binding transcription factor**. RARα typically acts as
        a heterodimer with retinoid X receptor (RXR) on **retinoic acid response elements
        (RAREs)**, classically composed of **direct repeats of the hexamer PuG(G/T)TCA** spaced
        by 1–5 bp (e.g., DR5, DR2, DR1).'
- term:
    id: GO:0005515
    label: protein binding
  evidence_type: IPI
  original_reference_id: PMID:23693014
  review:
    summary: Protein binding is an uninformative over-annotation for RARA.
    action: MARK_AS_OVER_ANNOTATED
    reason: RARA has many documented interactions with RXR, coactivators, corepressors,
      kinases, and disease-associated partners, but GO:0005515 does not describe the
      functional mechanism. More informative terms cover nuclear receptor activity, RARE
      binding, transcription regulator complexes, and specific cofactor binding.
    supported_by:
    - reference_id: file:human/RARA/RARA-deep-research-falcon.md
      supporting_text: 'RARα supports a canonical nuclear-receptor **cofactor “switch” mechanism**:
        in the **absence of ligand**, RARα/RXR bound on DNA recruits **corepressors** such
        as **NCoR/SMRT** that are associated with histone deacetylase (HDAC) activity and
        transcriptional repression; upon **retinoid agonist binding**, ligand-induced conformational
        changes (notably involving AF-2/helix 12 in the ligand-binding domain) destabilize
        corepressor binding and favor recruitment of **coactivators** (e.g., p160/SRC family,
        CBP/p300, Mediator/DRIP/TRAP components), enabling transcriptional activation of retinoid-responsive
        genes.'
    - reference_id: file:human/RARA/RARA-deep-research-falcon.md
      supporting_text: '**RARA encodes RARα**, a ligand-activated nuclear receptor that functions
        as a **sequence-specific DNA-binding transcription factor**. RARα typically acts as
        a heterodimer with retinoid X receptor (RXR) on **retinoic acid response elements
        (RAREs)**, classically composed of **direct repeats of the hexamer PuG(G/T)TCA** spaced
        by 1–5 bp (e.g., DR5, DR2, DR1).'
- term:
    id: GO:0005515
    label: protein binding
  evidence_type: IPI
  original_reference_id: PMID:24819975
  review:
    summary: Protein binding is an uninformative over-annotation for RARA.
    action: MARK_AS_OVER_ANNOTATED
    reason: RARA has many documented interactions with RXR, coactivators, corepressors,
      kinases, and disease-associated partners, but GO:0005515 does not describe the
      functional mechanism. More informative terms cover nuclear receptor activity, RARE
      binding, transcription regulator complexes, and specific cofactor binding.
    supported_by:
    - reference_id: file:human/RARA/RARA-deep-research-falcon.md
      supporting_text: 'RARα supports a canonical nuclear-receptor **cofactor “switch” mechanism**:
        in the **absence of ligand**, RARα/RXR bound on DNA recruits **corepressors** such
        as **NCoR/SMRT** that are associated with histone deacetylase (HDAC) activity and
        transcriptional repression; upon **retinoid agonist binding**, ligand-induced conformational
        changes (notably involving AF-2/helix 12 in the ligand-binding domain) destabilize
        corepressor binding and favor recruitment of **coactivators** (e.g., p160/SRC family,
        CBP/p300, Mediator/DRIP/TRAP components), enabling transcriptional activation of retinoid-responsive
        genes.'
    - reference_id: file:human/RARA/RARA-deep-research-falcon.md
      supporting_text: '**RARA encodes RARα**, a ligand-activated nuclear receptor that functions
        as a **sequence-specific DNA-binding transcription factor**. RARα typically acts as
        a heterodimer with retinoid X receptor (RXR) on **retinoic acid response elements
        (RAREs)**, classically composed of **direct repeats of the hexamer PuG(G/T)TCA** spaced
        by 1–5 bp (e.g., DR5, DR2, DR1).'
- term:
    id: GO:0005515
    label: protein binding
  evidence_type: IPI
  original_reference_id: PMID:25036637
  review:
    summary: Protein binding is an uninformative over-annotation for RARA.
    action: MARK_AS_OVER_ANNOTATED
    reason: RARA has many documented interactions with RXR, coactivators, corepressors,
      kinases, and disease-associated partners, but GO:0005515 does not describe the
      functional mechanism. More informative terms cover nuclear receptor activity, RARE
      binding, transcription regulator complexes, and specific cofactor binding.
    supported_by:
    - reference_id: file:human/RARA/RARA-deep-research-falcon.md
      supporting_text: 'RARα supports a canonical nuclear-receptor **cofactor “switch” mechanism**:
        in the **absence of ligand**, RARα/RXR bound on DNA recruits **corepressors** such
        as **NCoR/SMRT** that are associated with histone deacetylase (HDAC) activity and
        transcriptional repression; upon **retinoid agonist binding**, ligand-induced conformational
        changes (notably involving AF-2/helix 12 in the ligand-binding domain) destabilize
        corepressor binding and favor recruitment of **coactivators** (e.g., p160/SRC family,
        CBP/p300, Mediator/DRIP/TRAP components), enabling transcriptional activation of retinoid-responsive
        genes.'
    - reference_id: file:human/RARA/RARA-deep-research-falcon.md
      supporting_text: '**RARA encodes RARα**, a ligand-activated nuclear receptor that functions
        as a **sequence-specific DNA-binding transcription factor**. RARα typically acts as
        a heterodimer with retinoid X receptor (RXR) on **retinoic acid response elements
        (RAREs)**, classically composed of **direct repeats of the hexamer PuG(G/T)TCA** spaced
        by 1–5 bp (e.g., DR5, DR2, DR1).'
- term:
    id: GO:0005515
    label: protein binding
  evidence_type: IPI
  original_reference_id: PMID:25241761
  review:
    summary: Protein binding is an uninformative over-annotation for RARA.
    action: MARK_AS_OVER_ANNOTATED
    reason: RARA has many documented interactions with RXR, coactivators, corepressors,
      kinases, and disease-associated partners, but GO:0005515 does not describe the
      functional mechanism. More informative terms cover nuclear receptor activity, RARE
      binding, transcription regulator complexes, and specific cofactor binding.
    supported_by:
    - reference_id: file:human/RARA/RARA-deep-research-falcon.md
      supporting_text: 'RARα supports a canonical nuclear-receptor **cofactor “switch” mechanism**:
        in the **absence of ligand**, RARα/RXR bound on DNA recruits **corepressors** such
        as **NCoR/SMRT** that are associated with histone deacetylase (HDAC) activity and
        transcriptional repression; upon **retinoid agonist binding**, ligand-induced conformational
        changes (notably involving AF-2/helix 12 in the ligand-binding domain) destabilize
        corepressor binding and favor recruitment of **coactivators** (e.g., p160/SRC family,
        CBP/p300, Mediator/DRIP/TRAP components), enabling transcriptional activation of retinoid-responsive
        genes.'
    - reference_id: file:human/RARA/RARA-deep-research-falcon.md
      supporting_text: '**RARA encodes RARα**, a ligand-activated nuclear receptor that functions
        as a **sequence-specific DNA-binding transcription factor**. RARα typically acts as
        a heterodimer with retinoid X receptor (RXR) on **retinoic acid response elements
        (RAREs)**, classically composed of **direct repeats of the hexamer PuG(G/T)TCA** spaced
        by 1–5 bp (e.g., DR5, DR2, DR1).'
- term:
    id: GO:0005515
    label: protein binding
  evidence_type: IPI
  original_reference_id: PMID:25303530
  review:
    summary: Protein binding is an uninformative over-annotation for RARA.
    action: MARK_AS_OVER_ANNOTATED
    reason: RARA has many documented interactions with RXR, coactivators, corepressors,
      kinases, and disease-associated partners, but GO:0005515 does not describe the
      functional mechanism. More informative terms cover nuclear receptor activity, RARE
      binding, transcription regulator complexes, and specific cofactor binding.
    supported_by:
    - reference_id: file:human/RARA/RARA-deep-research-falcon.md
      supporting_text: 'RARα supports a canonical nuclear-receptor **cofactor “switch” mechanism**:
        in the **absence of ligand**, RARα/RXR bound on DNA recruits **corepressors** such
        as **NCoR/SMRT** that are associated with histone deacetylase (HDAC) activity and
        transcriptional repression; upon **retinoid agonist binding**, ligand-induced conformational
        changes (notably involving AF-2/helix 12 in the ligand-binding domain) destabilize
        corepressor binding and favor recruitment of **coactivators** (e.g., p160/SRC family,
        CBP/p300, Mediator/DRIP/TRAP components), enabling transcriptional activation of retinoid-responsive
        genes.'
    - reference_id: file:human/RARA/RARA-deep-research-falcon.md
      supporting_text: '**RARA encodes RARα**, a ligand-activated nuclear receptor that functions
        as a **sequence-specific DNA-binding transcription factor**. RARα typically acts as
        a heterodimer with retinoid X receptor (RXR) on **retinoic acid response elements
        (RAREs)**, classically composed of **direct repeats of the hexamer PuG(G/T)TCA** spaced
        by 1–5 bp (e.g., DR5, DR2, DR1).'
- term:
    id: GO:0005515
    label: protein binding
  evidence_type: IPI
  original_reference_id: PMID:25416956
  review:
    summary: Protein binding is an uninformative over-annotation for RARA.
    action: MARK_AS_OVER_ANNOTATED
    reason: RARA has many documented interactions with RXR, coactivators, corepressors,
      kinases, and disease-associated partners, but GO:0005515 does not describe the
      functional mechanism. More informative terms cover nuclear receptor activity, RARE
      binding, transcription regulator complexes, and specific cofactor binding.
    supported_by:
    - reference_id: file:human/RARA/RARA-deep-research-falcon.md
      supporting_text: 'RARα supports a canonical nuclear-receptor **cofactor “switch” mechanism**:
        in the **absence of ligand**, RARα/RXR bound on DNA recruits **corepressors** such
        as **NCoR/SMRT** that are associated with histone deacetylase (HDAC) activity and
        transcriptional repression; upon **retinoid agonist binding**, ligand-induced conformational
        changes (notably involving AF-2/helix 12 in the ligand-binding domain) destabilize
        corepressor binding and favor recruitment of **coactivators** (e.g., p160/SRC family,
        CBP/p300, Mediator/DRIP/TRAP components), enabling transcriptional activation of retinoid-responsive
        genes.'
    - reference_id: file:human/RARA/RARA-deep-research-falcon.md
      supporting_text: '**RARA encodes RARα**, a ligand-activated nuclear receptor that functions
        as a **sequence-specific DNA-binding transcription factor**. RARα typically acts as
        a heterodimer with retinoid X receptor (RXR) on **retinoic acid response elements
        (RAREs)**, classically composed of **direct repeats of the hexamer PuG(G/T)TCA** spaced
        by 1–5 bp (e.g., DR5, DR2, DR1).'
- term:
    id: GO:0005515
    label: protein binding
  evidence_type: IPI
  original_reference_id: PMID:26871637
  review:
    summary: Protein binding is an uninformative over-annotation for RARA.
    action: MARK_AS_OVER_ANNOTATED
    reason: RARA has many documented interactions with RXR, coactivators, corepressors,
      kinases, and disease-associated partners, but GO:0005515 does not describe the
      functional mechanism. More informative terms cover nuclear receptor activity, RARE
      binding, transcription regulator complexes, and specific cofactor binding.
    supported_by:
    - reference_id: file:human/RARA/RARA-deep-research-falcon.md
      supporting_text: 'RARα supports a canonical nuclear-receptor **cofactor “switch” mechanism**:
        in the **absence of ligand**, RARα/RXR bound on DNA recruits **corepressors** such
        as **NCoR/SMRT** that are associated with histone deacetylase (HDAC) activity and
        transcriptional repression; upon **retinoid agonist binding**, ligand-induced conformational
        changes (notably involving AF-2/helix 12 in the ligand-binding domain) destabilize
        corepressor binding and favor recruitment of **coactivators** (e.g., p160/SRC family,
        CBP/p300, Mediator/DRIP/TRAP components), enabling transcriptional activation of retinoid-responsive
        genes.'
    - reference_id: file:human/RARA/RARA-deep-research-falcon.md
      supporting_text: '**RARA encodes RARα**, a ligand-activated nuclear receptor that functions
        as a **sequence-specific DNA-binding transcription factor**. RARα typically acts as
        a heterodimer with retinoid X receptor (RXR) on **retinoic acid response elements
        (RAREs)**, classically composed of **direct repeats of the hexamer PuG(G/T)TCA** spaced
        by 1–5 bp (e.g., DR5, DR2, DR1).'
- term:
    id: GO:0005515
    label: protein binding
  evidence_type: IPI
  original_reference_id: PMID:29892012
  review:
    summary: Protein binding is an uninformative over-annotation for RARA.
    action: MARK_AS_OVER_ANNOTATED
    reason: RARA has many documented interactions with RXR, coactivators, corepressors,
      kinases, and disease-associated partners, but GO:0005515 does not describe the
      functional mechanism. More informative terms cover nuclear receptor activity, RARE
      binding, transcription regulator complexes, and specific cofactor binding.
    supported_by:
    - reference_id: file:human/RARA/RARA-deep-research-falcon.md
      supporting_text: 'RARα supports a canonical nuclear-receptor **cofactor “switch” mechanism**:
        in the **absence of ligand**, RARα/RXR bound on DNA recruits **corepressors** such
        as **NCoR/SMRT** that are associated with histone deacetylase (HDAC) activity and
        transcriptional repression; upon **retinoid agonist binding**, ligand-induced conformational
        changes (notably involving AF-2/helix 12 in the ligand-binding domain) destabilize
        corepressor binding and favor recruitment of **coactivators** (e.g., p160/SRC family,
        CBP/p300, Mediator/DRIP/TRAP components), enabling transcriptional activation of retinoid-responsive
        genes.'
    - reference_id: file:human/RARA/RARA-deep-research-falcon.md
      supporting_text: '**RARA encodes RARα**, a ligand-activated nuclear receptor that functions
        as a **sequence-specific DNA-binding transcription factor**. RARα typically acts as
        a heterodimer with retinoid X receptor (RXR) on **retinoic acid response elements
        (RAREs)**, classically composed of **direct repeats of the hexamer PuG(G/T)TCA** spaced
        by 1–5 bp (e.g., DR5, DR2, DR1).'
- term:
    id: GO:0005515
    label: protein binding
  evidence_type: IPI
  original_reference_id: PMID:31515488
  review:
    summary: Protein binding is an uninformative over-annotation for RARA.
    action: MARK_AS_OVER_ANNOTATED
    reason: RARA has many documented interactions with RXR, coactivators, corepressors,
      kinases, and disease-associated partners, but GO:0005515 does not describe the
      functional mechanism. More informative terms cover nuclear receptor activity, RARE
      binding, transcription regulator complexes, and specific cofactor binding.
    supported_by:
    - reference_id: file:human/RARA/RARA-deep-research-falcon.md
      supporting_text: 'RARα supports a canonical nuclear-receptor **cofactor “switch” mechanism**:
        in the **absence of ligand**, RARα/RXR bound on DNA recruits **corepressors** such
        as **NCoR/SMRT** that are associated with histone deacetylase (HDAC) activity and
        transcriptional repression; upon **retinoid agonist binding**, ligand-induced conformational
        changes (notably involving AF-2/helix 12 in the ligand-binding domain) destabilize
        corepressor binding and favor recruitment of **coactivators** (e.g., p160/SRC family,
        CBP/p300, Mediator/DRIP/TRAP components), enabling transcriptional activation of retinoid-responsive
        genes.'
    - reference_id: file:human/RARA/RARA-deep-research-falcon.md
      supporting_text: '**RARA encodes RARα**, a ligand-activated nuclear receptor that functions
        as a **sequence-specific DNA-binding transcription factor**. RARα typically acts as
        a heterodimer with retinoid X receptor (RXR) on **retinoic acid response elements
        (RAREs)**, classically composed of **direct repeats of the hexamer PuG(G/T)TCA** spaced
        by 1–5 bp (e.g., DR5, DR2, DR1).'
- term:
    id: GO:0005515
    label: protein binding
  evidence_type: IPI
  original_reference_id: PMID:32296183
  review:
    summary: Protein binding is an uninformative over-annotation for RARA.
    action: MARK_AS_OVER_ANNOTATED
    reason: RARA has many documented interactions with RXR, coactivators, corepressors,
      kinases, and disease-associated partners, but GO:0005515 does not describe the
      functional mechanism. More informative terms cover nuclear receptor activity, RARE
      binding, transcription regulator complexes, and specific cofactor binding.
    supported_by:
    - reference_id: file:human/RARA/RARA-deep-research-falcon.md
      supporting_text: 'RARα supports a canonical nuclear-receptor **cofactor “switch” mechanism**:
        in the **absence of ligand**, RARα/RXR bound on DNA recruits **corepressors** such
        as **NCoR/SMRT** that are associated with histone deacetylase (HDAC) activity and
        transcriptional repression; upon **retinoid agonist binding**, ligand-induced conformational
        changes (notably involving AF-2/helix 12 in the ligand-binding domain) destabilize
        corepressor binding and favor recruitment of **coactivators** (e.g., p160/SRC family,
        CBP/p300, Mediator/DRIP/TRAP components), enabling transcriptional activation of retinoid-responsive
        genes.'
    - reference_id: file:human/RARA/RARA-deep-research-falcon.md
      supporting_text: '**RARA encodes RARα**, a ligand-activated nuclear receptor that functions
        as a **sequence-specific DNA-binding transcription factor**. RARα typically acts as
        a heterodimer with retinoid X receptor (RXR) on **retinoic acid response elements
        (RAREs)**, classically composed of **direct repeats of the hexamer PuG(G/T)TCA** spaced
        by 1–5 bp (e.g., DR5, DR2, DR1).'
- term:
    id: GO:0005515
    label: protein binding
  evidence_type: IPI
  original_reference_id: PMID:35512704
  review:
    summary: Protein binding is an uninformative over-annotation for RARA.
    action: MARK_AS_OVER_ANNOTATED
    reason: RARA has many documented interactions with RXR, coactivators, corepressors,
      kinases, and disease-associated partners, but GO:0005515 does not describe the
      functional mechanism. More informative terms cover nuclear receptor activity, RARE
      binding, transcription regulator complexes, and specific cofactor binding.
    supported_by:
    - reference_id: file:human/RARA/RARA-deep-research-falcon.md
      supporting_text: 'RARα supports a canonical nuclear-receptor **cofactor “switch” mechanism**:
        in the **absence of ligand**, RARα/RXR bound on DNA recruits **corepressors** such
        as **NCoR/SMRT** that are associated with histone deacetylase (HDAC) activity and
        transcriptional repression; upon **retinoid agonist binding**, ligand-induced conformational
        changes (notably involving AF-2/helix 12 in the ligand-binding domain) destabilize
        corepressor binding and favor recruitment of **coactivators** (e.g., p160/SRC family,
        CBP/p300, Mediator/DRIP/TRAP components), enabling transcriptional activation of retinoid-responsive
        genes.'
    - reference_id: file:human/RARA/RARA-deep-research-falcon.md
      supporting_text: '**RARA encodes RARα**, a ligand-activated nuclear receptor that functions
        as a **sequence-specific DNA-binding transcription factor**. RARα typically acts as
        a heterodimer with retinoid X receptor (RXR) on **retinoic acid response elements
        (RAREs)**, classically composed of **direct repeats of the hexamer PuG(G/T)TCA** spaced
        by 1–5 bp (e.g., DR5, DR2, DR1).'
- term:
    id: GO:0005515
    label: protein binding
  evidence_type: IPI
  original_reference_id: PMID:9653119
  review:
    summary: Protein binding is an uninformative over-annotation for RARA.
    action: MARK_AS_OVER_ANNOTATED
    reason: RARA has many documented interactions with RXR, coactivators, corepressors,
      kinases, and disease-associated partners, but GO:0005515 does not describe the
      functional mechanism. More informative terms cover nuclear receptor activity, RARE
      binding, transcription regulator complexes, and specific cofactor binding.
    supported_by:
    - reference_id: file:human/RARA/RARA-deep-research-falcon.md
      supporting_text: 'RARα supports a canonical nuclear-receptor **cofactor “switch” mechanism**:
        in the **absence of ligand**, RARα/RXR bound on DNA recruits **corepressors** such
        as **NCoR/SMRT** that are associated with histone deacetylase (HDAC) activity and
        transcriptional repression; upon **retinoid agonist binding**, ligand-induced conformational
        changes (notably involving AF-2/helix 12 in the ligand-binding domain) destabilize
        corepressor binding and favor recruitment of **coactivators** (e.g., p160/SRC family,
        CBP/p300, Mediator/DRIP/TRAP components), enabling transcriptional activation of retinoid-responsive
        genes.'
    - reference_id: file:human/RARA/RARA-deep-research-falcon.md
      supporting_text: '**RARA encodes RARα**, a ligand-activated nuclear receptor that functions
        as a **sequence-specific DNA-binding transcription factor**. RARα typically acts as
        a heterodimer with retinoid X receptor (RXR) on **retinoic acid response elements
        (RAREs)**, classically composed of **direct repeats of the hexamer PuG(G/T)TCA** spaced
        by 1–5 bp (e.g., DR5, DR2, DR1).'
- term:
    id: GO:0000900
    label: mRNA regulatory element binding translation repressor activity
  evidence_type: IEA
  original_reference_id: GO_REF:0000107
  review:
    summary: IEA mRNA/translation-repressor transfer is plausible enough to retain
      for specialist review, but was not evaluated in this Falcon synthesis.
    action: UNDECIDED
    reason: The Falcon synthesis supports RARA's canonical DNA-bound nuclear receptor
      function and does not directly support mRNA regulatory element binding or
      translation repression. However, the GOA row is an Ensembl Compara transfer
      from rat RARalpha evidence (UniProtKB:A0A0G2JW78; ENSRNOP00000069776), and
      rodent neuronal RARalpha translation-regulatory literature was not evaluated
      in this pass. Do not remove without reviewing that specialist literature.
- term:
    id: GO:0000976
    label: transcription cis-regulatory region binding
  evidence_type: IEA
  original_reference_id: GO_REF:0000107
  review:
    summary: Core sequence-specific DNA/RARE binding function of the RARA-RXR
      transcription factor complex.
    action: ACCEPT
    reason: RARA binds retinoic acid response elements, primarily as an RXR heterodimer,
      and this DNA binding is central to its transcriptional regulatory function.
    supported_by:
    - reference_id: file:human/RARA/RARA-deep-research-falcon.md
      supporting_text: '**RARA encodes RARα**, a ligand-activated nuclear receptor that functions
        as a **sequence-specific DNA-binding transcription factor**. RARα typically acts as
        a heterodimer with retinoid X receptor (RXR) on **retinoic acid response elements
        (RAREs)**, classically composed of **direct repeats of the hexamer PuG(G/T)TCA** spaced
        by 1–5 bp (e.g., DR5, DR2, DR1).'
    - reference_id: file:human/RARA/RARA-deep-research-falcon.md
      supporting_text: RARα binds RAREs primarily as an RXR heterodimer. Structural and
        biochemical evidence includes a **1.7 Å** crystal structure of RXR and RAR
        DNA-binding domains (DBDs) assembled on a **DR1** element that shows **RAR bound
        to the upstream (5′) half-site and RXR bound downstream (3′)**, i.e., **reverse
        polarity** compared with other RXR heterodimers.
- term:
    id: GO:0000977
    label: RNA polymerase II transcription regulatory region sequence-specific DNA
      binding
  evidence_type: IEA
  original_reference_id: GO_REF:0000107
  review:
    summary: Core sequence-specific DNA/RARE binding function of the RARA-RXR
      transcription factor complex.
    action: ACCEPT
    reason: RARA binds retinoic acid response elements, primarily as an RXR heterodimer,
      and this DNA binding is central to its transcriptional regulatory function.
    supported_by:
    - reference_id: file:human/RARA/RARA-deep-research-falcon.md
      supporting_text: '**RARA encodes RARα**, a ligand-activated nuclear receptor that functions
        as a **sequence-specific DNA-binding transcription factor**. RARα typically acts as
        a heterodimer with retinoid X receptor (RXR) on **retinoic acid response elements
        (RAREs)**, classically composed of **direct repeats of the hexamer PuG(G/T)TCA** spaced
        by 1–5 bp (e.g., DR5, DR2, DR1).'
    - reference_id: file:human/RARA/RARA-deep-research-falcon.md
      supporting_text: RARα binds RAREs primarily as an RXR heterodimer. Structural and
        biochemical evidence includes a **1.7 Å** crystal structure of RXR and RAR
        DNA-binding domains (DBDs) assembled on a **DR1** element that shows **RAR bound
        to the upstream (5′) half-site and RXR bound downstream (3′)**, i.e., **reverse
        polarity** compared with other RXR heterodimers.
- term:
    id: GO:0001223
    label: transcription coactivator binding
  evidence_type: IEA
  original_reference_id: GO_REF:0000107
  review:
    summary: Supported coactivator/corepressor binding mechanism, but binding terms are
      secondary to the core receptor transcription-factor activity.
    action: KEEP_AS_NON_CORE
    reason: RARA uses cofactor binding to switch between repression and activation, but
      the core function is ligand-dependent DNA-bound transcriptional regulation.
    supported_by:
    - reference_id: file:human/RARA/RARA-deep-research-falcon.md
      supporting_text: 'RARα supports a canonical nuclear-receptor **cofactor “switch” mechanism**:
        in the **absence of ligand**, RARα/RXR bound on DNA recruits **corepressors** such
        as **NCoR/SMRT** that are associated with histone deacetylase (HDAC) activity and
        transcriptional repression; upon **retinoid agonist binding**, ligand-induced conformational
        changes (notably involving AF-2/helix 12 in the ligand-binding domain) destabilize
        corepressor binding and favor recruitment of **coactivators** (e.g., p160/SRC family,
        CBP/p300, Mediator/DRIP/TRAP components), enabling transcriptional activation of retinoid-responsive
        genes.'
    - reference_id: file:human/RARA/RARA-deep-research-falcon.md
      supporting_text: Ligand binding can drive coactivator recruitment to RARα
        complexes.
    - reference_id: file:human/RARA/RARA-deep-research-falcon.md
      supporting_text: RARα/RXR complexes bound to RAREs recruit **NCoR/SMRT**
        corepressors linked to HDAC activity, supporting a mechanistic basis for
        **ligand-modulated transcriptional repression**.
- term:
    id: GO:0001889
    label: liver development
  evidence_type: IEA
  original_reference_id: GO_REF:0000107
  review:
    summary: Supported developmental or differentiation role, but downstream and
      context-dependent relative to core RARA transcriptional regulation.
    action: KEEP_AS_NON_CORE
    reason: RARA-dependent retinoid signaling influences differentiation and
      development, but these are downstream programs and should not be treated as the
      core molecular function.
    supported_by:
    - reference_id: file:human/RARA/RARA-deep-research-falcon.md
      supporting_text: many transcriptomic or phenotypic outcomes in RA-treated cells
        reflect indirect downstream programs (e.g., differentiation cascades) rather
        than direct RARα DNA binding; IDA evidence for MF/CC (structure, EMSA, cofactor
        recruitment assays) is stronger than broad BP assertions unless direct targets
        are shown.
    - reference_id: PMID:19917671
      supporting_text: These studies demonstrate, for the first time, that RA couples
        G(1) arrest to transcriptional control of cancer cell differentiation by
        suppressing CAK phosphorylation of RARalpha to release transcriptional
        repression.
- term:
    id: GO:0007281
    label: germ cell development
  evidence_type: IEA
  original_reference_id: GO_REF:0000107
  review:
    summary: Supported developmental or differentiation role, but downstream and
      context-dependent relative to core RARA transcriptional regulation.
    action: KEEP_AS_NON_CORE
    reason: RARA-dependent retinoid signaling influences differentiation and
      development, but these are downstream programs and should not be treated as the
      core molecular function.
    supported_by:
    - reference_id: file:human/RARA/RARA-deep-research-falcon.md
      supporting_text: many transcriptomic or phenotypic outcomes in RA-treated cells
        reflect indirect downstream programs (e.g., differentiation cascades) rather
        than direct RARα DNA binding; IDA evidence for MF/CC (structure, EMSA, cofactor
        recruitment assays) is stronger than broad BP assertions unless direct targets
        are shown.
    - reference_id: PMID:19917671
      supporting_text: These studies demonstrate, for the first time, that RA couples
        G(1) arrest to transcriptional control of cancer cell differentiation by
        suppressing CAK phosphorylation of RARalpha to release transcriptional
        repression.
- term:
    id: GO:0007565
    label: female pregnancy
  evidence_type: IEA
  original_reference_id: GO_REF:0000107
  review:
    summary: This broad response/development annotation is weakly connected to direct
      RARA function and likely overstates downstream context-specific biology.
    action: MARK_AS_OVER_ANNOTATED
    reason: The core evidence supports direct nuclear receptor transcriptional
      regulation. Broad organismal or stimulus-response terms should be used cautiously
      unless direct RARA targets and cell context are shown.
    supported_by:
    - reference_id: file:human/RARA/RARA-deep-research-falcon.md
      supporting_text: many transcriptomic or phenotypic outcomes in RA-treated cells
        reflect indirect downstream programs (e.g., differentiation cascades) rather
        than direct RARα DNA binding; IDA evidence for MF/CC (structure, EMSA, cofactor
        recruitment assays) is stronger than broad BP assertions unless direct targets
        are shown.
- term:
    id: GO:0008285
    label: negative regulation of cell population proliferation
  evidence_type: IEA
  original_reference_id: GO_REF:0000107
  review:
    summary: Supported cell proliferation, apoptosis, cell-cycle, or binding effects are
      context-specific downstream outputs of RARA signaling.
    action: KEEP_AS_NON_CORE
    reason: These annotations can be retained as non-core where experiments support
      cellular phenotypes, but they are downstream of direct retinoid receptor
      transcriptional regulation.
    supported_by:
    - reference_id: file:human/RARA/RARA-deep-research-falcon.md
      supporting_text: many transcriptomic or phenotypic outcomes in RA-treated cells
        reflect indirect downstream programs (e.g., differentiation cascades) rather
        than direct RARα DNA binding; IDA evidence for MF/CC (structure, EMSA, cofactor
        recruitment assays) is stronger than broad BP assertions unless direct targets
        are shown.
    - reference_id: PMID:20080953
      supporting_text: We now show that RAR alpha is required for efficient estrogen
        receptor-alpha (ER)-mediated transcription and cell proliferation.
- term:
    id: GO:0008584
    label: male gonad development
  evidence_type: IEA
  original_reference_id: GO_REF:0000107
  review:
    summary: Supported developmental or differentiation role, but downstream and
      context-dependent relative to core RARA transcriptional regulation.
    action: KEEP_AS_NON_CORE
    reason: RARA-dependent retinoid signaling influences differentiation and
      development, but these are downstream programs and should not be treated as the
      core molecular function.
    supported_by:
    - reference_id: file:human/RARA/RARA-deep-research-falcon.md
      supporting_text: many transcriptomic or phenotypic outcomes in RA-treated cells
        reflect indirect downstream programs (e.g., differentiation cascades) rather
        than direct RARα DNA binding; IDA evidence for MF/CC (structure, EMSA, cofactor
        recruitment assays) is stronger than broad BP assertions unless direct targets
        are shown.
    - reference_id: PMID:19917671
      supporting_text: These studies demonstrate, for the first time, that RA couples
        G(1) arrest to transcriptional control of cancer cell differentiation by
        suppressing CAK phosphorylation of RARalpha to release transcriptional
        repression.
- term:
    id: GO:0010628
    label: positive regulation of gene expression
  evidence_type: IEA
  original_reference_id: GO_REF:0000107
  review:
    summary: The broad positive regulation of gene expression term should be narrowed to
      positive regulation of RNA polymerase II transcription.
    action: MODIFY
    reason: RARA directly controls retinoid-responsive transcriptional programs; the
      supported direct process is RNA polymerase II transcriptional activation rather
      than gene expression broadly.
    proposed_replacement_terms:
    - id: GO:0045944
      label: positive regulation of transcription by RNA polymerase II
    supported_by:
    - reference_id: file:human/RARA/RARA-deep-research-falcon.md
      supporting_text: Ligand binding can drive coactivator recruitment to RARα
        complexes.
    - reference_id: file:human/RARA/RARA-deep-research-falcon.md
      supporting_text: RARα is a core effector of retinoic acid signaling, transducing
        ligand binding into activation or repression of RA-responsive transcriptional
        programs.
- term:
    id: GO:0017148
    label: negative regulation of translation
  evidence_type: IEA
  original_reference_id: GO_REF:0000107
  review:
    summary: IEA translation-regulation transfer is plausible enough to retain for
      specialist review, but was not evaluated in this Falcon synthesis.
    action: UNDECIDED
    reason: The Falcon synthesis supports RARA's canonical DNA-bound nuclear receptor
      function and does not directly support negative regulation of translation.
      However, the GOA row is an Ensembl Compara transfer from rat RARalpha evidence
      (UniProtKB:A0A0G2JW78; ENSRNOP00000069776), and rodent neuronal RARalpha
      translation-regulatory literature was not evaluated in this pass. Do not remove
      without reviewing that specialist literature.
- term:
    id: GO:0021766
    label: hippocampus development
  evidence_type: IEA
  original_reference_id: GO_REF:0000107
  review:
    summary: Supported developmental or differentiation role, but downstream and
      context-dependent relative to core RARA transcriptional regulation.
    action: KEEP_AS_NON_CORE
    reason: RARA-dependent retinoid signaling influences differentiation and
      development, but these are downstream programs and should not be treated as the
      core molecular function.
    supported_by:
    - reference_id: file:human/RARA/RARA-deep-research-falcon.md
      supporting_text: many transcriptomic or phenotypic outcomes in RA-treated cells
        reflect indirect downstream programs (e.g., differentiation cascades) rather
        than direct RARα DNA binding; IDA evidence for MF/CC (structure, EMSA, cofactor
        recruitment assays) is stronger than broad BP assertions unless direct targets
        are shown.
    - reference_id: PMID:19917671
      supporting_text: These studies demonstrate, for the first time, that RA couples
        G(1) arrest to transcriptional control of cancer cell differentiation by
        suppressing CAK phosphorylation of RARalpha to release transcriptional
        repression.
- term:
    id: GO:0030425
    label: dendrite
  evidence_type: IEA
  original_reference_id: GO_REF:0000107
  review:
    summary: This localization is over-emphasized relative to the core nuclear/chromatin
      RARA function.
    action: MARK_AS_OVER_ANNOTATED
    reason: RARA is primarily nuclear/chromatin-associated. Dendrite or plasma membrane
      annotations may reflect specialized or indirect contexts but do not represent the
      core function.
    supported_by:
    - reference_id: file:human/RARA/RARA-deep-research-falcon.md
      supporting_text: RARα is primarily described as **nuclear** and
        **chromatin-associated** through binding to promoter/enhancer RAREs; nucleosomes
        do not necessarily preclude binding.
    - reference_id: file:human/RARA/RARA-deep-research-falcon.md
      supporting_text: many transcriptomic or phenotypic outcomes in RA-treated cells
        reflect indirect downstream programs (e.g., differentiation cascades) rather
        than direct RARα DNA binding; IDA evidence for MF/CC (structure, EMSA, cofactor
        recruitment assays) is stronger than broad BP assertions unless direct targets
        are shown.
- term:
    id: GO:0030850
    label: prostate gland development
  evidence_type: IEA
  original_reference_id: GO_REF:0000107
  review:
    summary: Supported developmental or differentiation role, but downstream and
      context-dependent relative to core RARA transcriptional regulation.
    action: KEEP_AS_NON_CORE
    reason: RARA-dependent retinoid signaling influences differentiation and
      development, but these are downstream programs and should not be treated as the
      core molecular function.
    supported_by:
    - reference_id: file:human/RARA/RARA-deep-research-falcon.md
      supporting_text: many transcriptomic or phenotypic outcomes in RA-treated cells
        reflect indirect downstream programs (e.g., differentiation cascades) rather
        than direct RARα DNA binding; IDA evidence for MF/CC (structure, EMSA, cofactor
        recruitment assays) is stronger than broad BP assertions unless direct targets
        are shown.
    - reference_id: PMID:19917671
      supporting_text: These studies demonstrate, for the first time, that RA couples
        G(1) arrest to transcriptional control of cancer cell differentiation by
        suppressing CAK phosphorylation of RARalpha to release transcriptional
        repression.
- term:
    id: GO:0031641
    label: regulation of myelination
  evidence_type: IEA
  original_reference_id: GO_REF:0000107
  review:
    summary: Supported developmental or differentiation role, but downstream and
      context-dependent relative to core RARA transcriptional regulation.
    action: KEEP_AS_NON_CORE
    reason: RARA-dependent retinoid signaling influences differentiation and
      development, but these are downstream programs and should not be treated as the
      core molecular function.
    supported_by:
    - reference_id: file:human/RARA/RARA-deep-research-falcon.md
      supporting_text: many transcriptomic or phenotypic outcomes in RA-treated cells
        reflect indirect downstream programs (e.g., differentiation cascades) rather
        than direct RARα DNA binding; IDA evidence for MF/CC (structure, EMSA, cofactor
        recruitment assays) is stronger than broad BP assertions unless direct targets
        are shown.
    - reference_id: PMID:19917671
      supporting_text: These studies demonstrate, for the first time, that RA couples
        G(1) arrest to transcriptional control of cancer cell differentiation by
        suppressing CAK phosphorylation of RARalpha to release transcriptional
        repression.
- term:
    id: GO:0032355
    label: response to estradiol
  evidence_type: IEA
  original_reference_id: GO_REF:0000107
  review:
    summary: Supported estrogen cross-talk context, but non-core relative to canonical
      retinoic acid receptor function.
    action: KEEP_AS_NON_CORE
    reason: RARA can cooperate with estrogen receptor programs in breast cancer cells,
      but this is a context-specific regulatory interaction rather than the core
      retinoid receptor function.
    supported_by:
    - reference_id: PMID:20080953
      supporting_text: We now show that RAR alpha is required for efficient estrogen
        receptor-alpha (ER)-mediated transcription and cell proliferation.
    - reference_id: file:human/RARA/RARA-deep-research-falcon.md
      supporting_text: many transcriptomic or phenotypic outcomes in RA-treated cells
        reflect indirect downstream programs (e.g., differentiation cascades) rather
        than direct RARα DNA binding; IDA evidence for MF/CC (structure, EMSA, cofactor
        recruitment assays) is stronger than broad BP assertions unless direct targets
        are shown.
- term:
    id: GO:0033189
    label: response to vitamin A
  evidence_type: IEA
  original_reference_id: GO_REF:0000107
  review:
    summary: Supported retinoid/vitamin A response annotation, but broader than the
      direct RARA receptor signaling pathway.
    action: KEEP_AS_NON_CORE
    reason: RARA is a direct mediator of retinoic acid signaling. General cellular
      response terms are valid but less precise than retinoic acid receptor signaling
      and transcriptional regulation.
    supported_by:
    - reference_id: file:human/RARA/RARA-deep-research-falcon.md
      supporting_text: '**RARA encodes RARα**, a ligand-activated nuclear receptor that functions
        as a **sequence-specific DNA-binding transcription factor**. RARα typically acts as
        a heterodimer with retinoid X receptor (RXR) on **retinoic acid response elements
        (RAREs)**, classically composed of **direct repeats of the hexamer PuG(G/T)TCA** spaced
        by 1–5 bp (e.g., DR5, DR2, DR1).'
    - reference_id: file:human/RARA/RARA-deep-research-falcon.md
      supporting_text: RARα is a core effector of retinoic acid signaling, transducing
        ligand binding into activation or repression of RA-responsive transcriptional
        programs.
- term:
    id: GO:0034097
    label: response to cytokine
  evidence_type: IEA
  original_reference_id: GO_REF:0000107
  review:
    summary: This broad response/development annotation is weakly connected to direct
      RARA function and likely overstates downstream context-specific biology.
    action: MARK_AS_OVER_ANNOTATED
    reason: The core evidence supports direct nuclear receptor transcriptional
      regulation. Broad organismal or stimulus-response terms should be used cautiously
      unless direct RARA targets and cell context are shown.
    supported_by:
    - reference_id: file:human/RARA/RARA-deep-research-falcon.md
      supporting_text: many transcriptomic or phenotypic outcomes in RA-treated cells
        reflect indirect downstream programs (e.g., differentiation cascades) rather
        than direct RARα DNA binding; IDA evidence for MF/CC (structure, EMSA, cofactor
        recruitment assays) is stronger than broad BP assertions unless direct targets
        are shown.
- term:
    id: GO:0042826
    label: histone deacetylase binding
  evidence_type: IEA
  original_reference_id: GO_REF:0000107
  review:
    summary: Supported coactivator/corepressor binding mechanism, but binding terms are
      secondary to the core receptor transcription-factor activity.
    action: KEEP_AS_NON_CORE
    reason: RARA uses cofactor binding to switch between repression and activation, but
      the core function is ligand-dependent DNA-bound transcriptional regulation.
    supported_by:
    - reference_id: file:human/RARA/RARA-deep-research-falcon.md
      supporting_text: 'RARα supports a canonical nuclear-receptor **cofactor “switch” mechanism**:
        in the **absence of ligand**, RARα/RXR bound on DNA recruits **corepressors** such
        as **NCoR/SMRT** that are associated with histone deacetylase (HDAC) activity and
        transcriptional repression; upon **retinoid agonist binding**, ligand-induced conformational
        changes (notably involving AF-2/helix 12 in the ligand-binding domain) destabilize
        corepressor binding and favor recruitment of **coactivators** (e.g., p160/SRC family,
        CBP/p300, Mediator/DRIP/TRAP components), enabling transcriptional activation of retinoid-responsive
        genes.'
    - reference_id: file:human/RARA/RARA-deep-research-falcon.md
      supporting_text: Ligand binding can drive coactivator recruitment to RARα
        complexes.
    - reference_id: file:human/RARA/RARA-deep-research-falcon.md
      supporting_text: RARα/RXR complexes bound to RAREs recruit **NCoR/SMRT**
        corepressors linked to HDAC activity, supporting a mechanistic basis for
        **ligand-modulated transcriptional repression**.
- term:
    id: GO:0042981
    label: regulation of apoptotic process
  evidence_type: IEA
  original_reference_id: GO_REF:0000107
  review:
    summary: Supported cell proliferation, apoptosis, cell-cycle, or binding effects are
      context-specific downstream outputs of RARA signaling.
    action: KEEP_AS_NON_CORE
    reason: These annotations can be retained as non-core where experiments support
      cellular phenotypes, but they are downstream of direct retinoid receptor
      transcriptional regulation.
    supported_by:
    - reference_id: file:human/RARA/RARA-deep-research-falcon.md
      supporting_text: many transcriptomic or phenotypic outcomes in RA-treated cells
        reflect indirect downstream programs (e.g., differentiation cascades) rather
        than direct RARα DNA binding; IDA evidence for MF/CC (structure, EMSA, cofactor
        recruitment assays) is stronger than broad BP assertions unless direct targets
        are shown.
    - reference_id: PMID:20080953
      supporting_text: We now show that RAR alpha is required for efficient estrogen
        receptor-alpha (ER)-mediated transcription and cell proliferation.
- term:
    id: GO:0045471
    label: response to ethanol
  evidence_type: IEA
  original_reference_id: GO_REF:0000107
  review:
    summary: This broad response/development annotation is weakly connected to direct
      RARA function and likely overstates downstream context-specific biology.
    action: MARK_AS_OVER_ANNOTATED
    reason: The core evidence supports direct nuclear receptor transcriptional
      regulation. Broad organismal or stimulus-response terms should be used cautiously
      unless direct RARA targets and cell context are shown.
    supported_by:
    - reference_id: file:human/RARA/RARA-deep-research-falcon.md
      supporting_text: many transcriptomic or phenotypic outcomes in RA-treated cells
        reflect indirect downstream programs (e.g., differentiation cascades) rather
        than direct RARα DNA binding; IDA evidence for MF/CC (structure, EMSA, cofactor
        recruitment assays) is stronger than broad BP assertions unless direct targets
        are shown.
- term:
    id: GO:0045666
    label: positive regulation of neuron differentiation
  evidence_type: IEA
  original_reference_id: GO_REF:0000107
  review:
    summary: Supported developmental or differentiation role, but downstream and
      context-dependent relative to core RARA transcriptional regulation.
    action: KEEP_AS_NON_CORE
    reason: RARA-dependent retinoid signaling influences differentiation and
      development, but these are downstream programs and should not be treated as the
      core molecular function.
    supported_by:
    - reference_id: file:human/RARA/RARA-deep-research-falcon.md
      supporting_text: many transcriptomic or phenotypic outcomes in RA-treated cells
        reflect indirect downstream programs (e.g., differentiation cascades) rather
        than direct RARα DNA binding; IDA evidence for MF/CC (structure, EMSA, cofactor
        recruitment assays) is stronger than broad BP assertions unless direct targets
        are shown.
    - reference_id: PMID:19917671
      supporting_text: These studies demonstrate, for the first time, that RA couples
        G(1) arrest to transcriptional control of cancer cell differentiation by
        suppressing CAK phosphorylation of RARalpha to release transcriptional
        repression.
- term:
    id: GO:0048027
    label: mRNA 5'-UTR binding
  evidence_type: IEA
  original_reference_id: GO_REF:0000107
  review:
    summary: IEA mRNA 5'-UTR-binding transfer is plausible enough to retain for
      specialist review, but was not evaluated in this Falcon synthesis.
    action: UNDECIDED
    reason: The Falcon synthesis supports RARA's canonical DNA-bound nuclear receptor
      function and does not directly support mRNA 5'-UTR binding. However, the GOA
      row is an Ensembl Compara transfer from rat RARalpha evidence
      (UniProtKB:A0A0G2JW78; ENSRNOP00000069776), and rodent neuronal RARalpha
      translation-regulatory literature was not evaluated in this pass. Do not remove
      without reviewing that specialist literature.
- term:
    id: GO:0048167
    label: regulation of synaptic plasticity
  evidence_type: IEA
  original_reference_id: GO_REF:0000107
  review:
    summary: This broad response/development annotation is weakly connected to direct
      RARA function and likely overstates downstream context-specific biology.
    action: MARK_AS_OVER_ANNOTATED
    reason: The core evidence supports direct nuclear receptor transcriptional
      regulation. Broad organismal or stimulus-response terms should be used cautiously
      unless direct RARA targets and cell context are shown.
    supported_by:
    - reference_id: file:human/RARA/RARA-deep-research-falcon.md
      supporting_text: many transcriptomic or phenotypic outcomes in RA-treated cells
        reflect indirect downstream programs (e.g., differentiation cascades) rather
        than direct RARα DNA binding; IDA evidence for MF/CC (structure, EMSA, cofactor
        recruitment assays) is stronger than broad BP assertions unless direct targets
        are shown.
- term:
    id: GO:0048471
    label: perinuclear region of cytoplasm
  evidence_type: IEA
  original_reference_id: GO_REF:0000107
  review:
    summary: Supported or plausible cytoplasmic/perinuclear pool, but non-core relative
      to nuclear/chromatin transcriptional regulation.
    action: KEEP_AS_NON_CORE
    reason: RARA can have cytoplasmic or regulated translocation pools, but direct
      GO-core function occurs as a nuclear/chromatin-associated transcription factor.
    supported_by:
    - reference_id: file:human/RARA/RARA-deep-research-falcon.md
      supporting_text: RARα is primarily described as **nuclear** and
        **chromatin-associated** through binding to promoter/enhancer RAREs; nucleosomes
        do not necessarily preclude binding.
- term:
    id: GO:0060010
    label: Sertoli cell fate commitment
  evidence_type: IEA
  original_reference_id: GO_REF:0000107
  review:
    summary: Supported developmental or differentiation role, but downstream and
      context-dependent relative to core RARA transcriptional regulation.
    action: KEEP_AS_NON_CORE
    reason: RARA-dependent retinoid signaling influences differentiation and
      development, but these are downstream programs and should not be treated as the
      core molecular function.
    supported_by:
    - reference_id: file:human/RARA/RARA-deep-research-falcon.md
      supporting_text: many transcriptomic or phenotypic outcomes in RA-treated cells
        reflect indirect downstream programs (e.g., differentiation cascades) rather
        than direct RARα DNA binding; IDA evidence for MF/CC (structure, EMSA, cofactor
        recruitment assays) is stronger than broad BP assertions unless direct targets
        are shown.
    - reference_id: PMID:19917671
      supporting_text: These studies demonstrate, for the first time, that RA couples
        G(1) arrest to transcriptional control of cancer cell differentiation by
        suppressing CAK phosphorylation of RARalpha to release transcriptional
        repression.
- term:
    id: GO:0071222
    label: cellular response to lipopolysaccharide
  evidence_type: IEA
  original_reference_id: GO_REF:0000107
  review:
    summary: This broad response/development annotation is weakly connected to direct
      RARA function and likely overstates downstream context-specific biology.
    action: MARK_AS_OVER_ANNOTATED
    reason: The core evidence supports direct nuclear receptor transcriptional
      regulation. Broad organismal or stimulus-response terms should be used cautiously
      unless direct RARA targets and cell context are shown.
    supported_by:
    - reference_id: file:human/RARA/RARA-deep-research-falcon.md
      supporting_text: many transcriptomic or phenotypic outcomes in RA-treated cells
        reflect indirect downstream programs (e.g., differentiation cascades) rather
        than direct RARα DNA binding; IDA evidence for MF/CC (structure, EMSA, cofactor
        recruitment assays) is stronger than broad BP assertions unless direct targets
        are shown.
- term:
    id: GO:1901363
    label: heterocyclic compound binding
  evidence_type: IEA
  original_reference_id: GO_REF:0000107
  review:
    summary: The generic heterocyclic compound binding term should be replaced by
      retinoic acid binding.
    action: MODIFY
    reason: The relevant ligand is retinoic acid/retinoids, not heterocyclic compounds
      broadly.
    proposed_replacement_terms:
    - id: GO:0001972
      label: retinoic acid binding
    supported_by:
    - reference_id: file:human/RARA/RARA-deep-research-falcon.md
      supporting_text: '**RARA encodes RARα**, a ligand-activated nuclear receptor that functions
        as a **sequence-specific DNA-binding transcription factor**. RARα typically acts as
        a heterodimer with retinoid X receptor (RXR) on **retinoic acid response elements
        (RAREs)**, classically composed of **direct repeats of the hexamer PuG(G/T)TCA** spaced
        by 1–5 bp (e.g., DR5, DR2, DR1).'
    - reference_id: file:human/RARA/RARA-deep-research-falcon.md
      supporting_text: 'RARα supports a canonical nuclear-receptor **cofactor “switch” mechanism**:
        in the **absence of ligand**, RARα/RXR bound on DNA recruits **corepressors** such
        as **NCoR/SMRT** that are associated with histone deacetylase (HDAC) activity and
        transcriptional repression; upon **retinoid agonist binding**, ligand-induced conformational
        changes (notably involving AF-2/helix 12 in the ligand-binding domain) destabilize
        corepressor binding and favor recruitment of **coactivators** (e.g., p160/SRC family,
        CBP/p300, Mediator/DRIP/TRAP components), enabling transcriptional activation of retinoid-responsive
        genes.'
- term:
    id: GO:0005654
    label: nucleoplasm
  evidence_type: IDA
  original_reference_id: GO_REF:0000052
  review:
    summary: Supported nuclear subcompartment localization, but nucleoplasm is less
      informative than nucleus/chromatin for the core function.
    action: KEEP_AS_NON_CORE
    reason: Nucleoplasm localization is compatible with RARA biology, but the curatable
      core location is nuclear/chromatin-associated transcription factor activity.
    supported_by:
    - reference_id: file:human/RARA/RARA-deep-research-falcon.md
      supporting_text: RARα is primarily described as **nuclear** and
        **chromatin-associated** through binding to promoter/enhancer RAREs; nucleosomes
        do not necessarily preclude binding.
- term:
    id: GO:0005730
    label: nucleolus
  evidence_type: IDA
  original_reference_id: GO_REF:0000052
  review:
    summary: Nucleolus localization is not central to RARA function and is retained only
      as a non-core localization if experimentally observed.
    action: KEEP_AS_NON_CORE
    reason: The synthesized evidence emphasizes nucleus and chromatin rather than
      nucleolus as the functionally meaningful location.
    supported_by:
    - reference_id: file:human/RARA/RARA-deep-research-falcon.md
      supporting_text: RARα is primarily described as **nuclear** and
        **chromatin-associated** through binding to promoter/enhancer RAREs; nucleosomes
        do not necessarily preclude binding.
- term:
    id: GO:0005829
    label: cytosol
  evidence_type: IDA
  original_reference_id: GO_REF:0000052
  review:
    summary: Supported or plausible cytoplasmic/perinuclear pool, but non-core relative
      to nuclear/chromatin transcriptional regulation.
    action: KEEP_AS_NON_CORE
    reason: RARA can have cytoplasmic or regulated translocation pools, but direct
      GO-core function occurs as a nuclear/chromatin-associated transcription factor.
    supported_by:
    - reference_id: file:human/RARA/RARA-deep-research-falcon.md
      supporting_text: RARα is primarily described as **nuclear** and
        **chromatin-associated** through binding to promoter/enhancer RAREs; nucleosomes
        do not necessarily preclude binding.
- term:
    id: GO:0042789
    label: mRNA transcription by RNA polymerase II
  evidence_type: IDA
  original_reference_id: PMID:1310351
  review:
    summary: RARA regulates RNA polymerase II transcription rather than directly
      carrying out mRNA synthesis.
    action: MODIFY
    reason: The evidence supports RARA as a transcriptional regulator, not as the
      polymerase machinery. Positive and negative regulation of RNA polymerase II
      transcription are better terms.
    proposed_replacement_terms:
    - id: GO:0045944
      label: positive regulation of transcription by RNA polymerase II
    - id: GO:0000122
      label: negative regulation of transcription by RNA polymerase II
    supported_by:
    - reference_id: file:human/RARA/RARA-deep-research-falcon.md
      supporting_text: 'RARα supports a canonical nuclear-receptor **cofactor “switch” mechanism**:
        in the **absence of ligand**, RARα/RXR bound on DNA recruits **corepressors** such
        as **NCoR/SMRT** that are associated with histone deacetylase (HDAC) activity and
        transcriptional repression; upon **retinoid agonist binding**, ligand-induced conformational
        changes (notably involving AF-2/helix 12 in the ligand-binding domain) destabilize
        corepressor binding and favor recruitment of **coactivators** (e.g., p160/SRC family,
        CBP/p300, Mediator/DRIP/TRAP components), enabling transcriptional activation of retinoid-responsive
        genes.'
    - reference_id: file:human/RARA/RARA-deep-research-falcon.md
      supporting_text: RARα is a core effector of retinoic acid signaling, transducing
        ligand binding into activation or repression of RA-responsive transcriptional
        programs.
- term:
    id: GO:0042789
    label: mRNA transcription by RNA polymerase II
  evidence_type: NAS
  original_reference_id: PMID:9430642
  review:
    summary: RARA regulates RNA polymerase II transcription rather than directly
      carrying out mRNA synthesis.
    action: MODIFY
    reason: The evidence supports RARA as a transcriptional regulator, not as the
      polymerase machinery. Positive and negative regulation of RNA polymerase II
      transcription are better terms.
    proposed_replacement_terms:
    - id: GO:0045944
      label: positive regulation of transcription by RNA polymerase II
    - id: GO:0000122
      label: negative regulation of transcription by RNA polymerase II
    supported_by:
    - reference_id: file:human/RARA/RARA-deep-research-falcon.md
      supporting_text: 'RARα supports a canonical nuclear-receptor **cofactor “switch” mechanism**:
        in the **absence of ligand**, RARα/RXR bound on DNA recruits **corepressors** such
        as **NCoR/SMRT** that are associated with histone deacetylase (HDAC) activity and
        transcriptional repression; upon **retinoid agonist binding**, ligand-induced conformational
        changes (notably involving AF-2/helix 12 in the ligand-binding domain) destabilize
        corepressor binding and favor recruitment of **coactivators** (e.g., p160/SRC family,
        CBP/p300, Mediator/DRIP/TRAP components), enabling transcriptional activation of retinoid-responsive
        genes.'
    - reference_id: file:human/RARA/RARA-deep-research-falcon.md
      supporting_text: RARα is a core effector of retinoic acid signaling, transducing
        ligand binding into activation or repression of RA-responsive transcriptional
        programs.
- term:
    id: GO:0045944
    label: positive regulation of transcription by RNA polymerase II
  evidence_type: IDA
  original_reference_id: PMID:9430642
  review:
    summary: Supported core activating mode of RARA-mediated RNA polymerase II
      transcription regulation.
    action: ACCEPT
    reason: Ligand-bound RARA-RXR recruits coactivators and activates
      retinoid-responsive RNA polymerase II target genes.
    supported_by:
    - reference_id: file:human/RARA/RARA-deep-research-falcon.md
      supporting_text: Ligand binding can drive coactivator recruitment to RARα
        complexes.
    - reference_id: file:human/RARA/RARA-deep-research-falcon.md
      supporting_text: 'RARα supports a canonical nuclear-receptor **cofactor “switch” mechanism**:
        in the **absence of ligand**, RARα/RXR bound on DNA recruits **corepressors** such
        as **NCoR/SMRT** that are associated with histone deacetylase (HDAC) activity and
        transcriptional repression; upon **retinoid agonist binding**, ligand-induced conformational
        changes (notably involving AF-2/helix 12 in the ligand-binding domain) destabilize
        corepressor binding and favor recruitment of **coactivators** (e.g., p160/SRC family,
        CBP/p300, Mediator/DRIP/TRAP components), enabling transcriptional activation of retinoid-responsive
        genes.'
    - reference_id: file:human/RARA/RARA-deep-research-falcon.md
      supporting_text: RARα is a core effector of retinoic acid signaling, transducing
        ligand binding into activation or repression of RA-responsive transcriptional
        programs.
- term:
    id: GO:0000785
    label: chromatin
  evidence_type: IDA
  original_reference_id: PMID:2825025
  review:
    summary: Core chromatin-associated localization/function at retinoid-responsive
      regulatory regions.
    action: ACCEPT
    reason: RARA binds RAREs in chromatin and functions as part of chromatin-associated
      activating or repressive transcriptional complexes.
    supported_by:
    - reference_id: file:human/RARA/RARA-deep-research-falcon.md
      supporting_text: RARα is primarily described as **nuclear** and
        **chromatin-associated** through binding to promoter/enhancer RAREs; nucleosomes
        do not necessarily preclude binding.
    - reference_id: file:human/RARA/RARA-deep-research-falcon.md
      supporting_text: RARα binds RAREs primarily as an RXR heterodimer. Structural and
        biochemical evidence includes a **1.7 Å** crystal structure of RXR and RAR
        DNA-binding domains (DBDs) assembled on a **DR1** element that shows **RAR bound
        to the upstream (5′) half-site and RXR bound downstream (3′)**, i.e., **reverse
        polarity** compared with other RXR heterodimers.
- term:
    id: GO:0004879
    label: nuclear receptor activity
  evidence_type: IDA
  original_reference_id: PMID:2825025
  review:
    summary: 'Core molecular function: RARA is a retinoic-acid-binding nuclear receptor transcription
      factor.'
    action: ACCEPT
    reason: Nuclear receptor activity is the central molecular function of RARA,
      integrating retinoid ligand binding, RXR heterodimerization, RARE binding, and
      transcriptional regulation.
    supported_by:
    - reference_id: file:human/RARA/RARA-deep-research-falcon.md
      supporting_text: '**RARA encodes RARα**, a ligand-activated nuclear receptor that functions
        as a **sequence-specific DNA-binding transcription factor**. RARα typically acts as
        a heterodimer with retinoid X receptor (RXR) on **retinoic acid response elements
        (RAREs)**, classically composed of **direct repeats of the hexamer PuG(G/T)TCA** spaced
        by 1–5 bp (e.g., DR5, DR2, DR1).'
    - reference_id: file:human/RARA/RARA-deep-research-falcon.md
      supporting_text: 'RARα supports a canonical nuclear-receptor **cofactor “switch” mechanism**:
        in the **absence of ligand**, RARα/RXR bound on DNA recruits **corepressors** such
        as **NCoR/SMRT** that are associated with histone deacetylase (HDAC) activity and
        transcriptional repression; upon **retinoid agonist binding**, ligand-induced conformational
        changes (notably involving AF-2/helix 12 in the ligand-binding domain) destabilize
        corepressor binding and favor recruitment of **coactivators** (e.g., p160/SRC family,
        CBP/p300, Mediator/DRIP/TRAP components), enabling transcriptional activation of retinoid-responsive
        genes.'
- term:
    id: GO:0005886
    label: plasma membrane
  evidence_type: IDA
  original_reference_id: PMID:2825025
  review:
    summary: This localization is over-emphasized relative to the core nuclear/chromatin
      RARA function.
    action: MARK_AS_OVER_ANNOTATED
    reason: RARA is primarily nuclear/chromatin-associated. Dendrite or plasma membrane
      annotations may reflect specialized or indirect contexts but do not represent the
      core function.
    supported_by:
    - reference_id: file:human/RARA/RARA-deep-research-falcon.md
      supporting_text: RARα is primarily described as **nuclear** and
        **chromatin-associated** through binding to promoter/enhancer RAREs; nucleosomes
        do not necessarily preclude binding.
    - reference_id: file:human/RARA/RARA-deep-research-falcon.md
      supporting_text: many transcriptomic or phenotypic outcomes in RA-treated cells
        reflect indirect downstream programs (e.g., differentiation cascades) rather
        than direct RARα DNA binding; IDA evidence for MF/CC (structure, EMSA, cofactor
        recruitment assays) is stronger than broad BP assertions unless direct targets
        are shown.
- term:
    id: GO:0048384
    label: retinoic acid receptor signaling pathway
  evidence_type: IDA
  original_reference_id: PMID:2825025
  review:
    summary: 'Core biological process: RARA mediates retinoic acid receptor signaling through
      ligand-dependent transcriptional regulation.'
    action: ACCEPT
    reason: Retinoic acid receptor signaling is the direct pathway in which RARA
      transduces retinoid ligand binding into RARE-bound transcriptional regulation.
    supported_by:
    - reference_id: file:human/RARA/RARA-deep-research-falcon.md
      supporting_text: '**RARA encodes RARα**, a ligand-activated nuclear receptor that functions
        as a **sequence-specific DNA-binding transcription factor**. RARα typically acts as
        a heterodimer with retinoid X receptor (RXR) on **retinoic acid response elements
        (RAREs)**, classically composed of **direct repeats of the hexamer PuG(G/T)TCA** spaced
        by 1–5 bp (e.g., DR5, DR2, DR1).'
    - reference_id: file:human/RARA/RARA-deep-research-falcon.md
      supporting_text: RARα is a core effector of retinoic acid signaling, transducing
        ligand binding into activation or repression of RA-responsive transcriptional
        programs.
- term:
    id: GO:0005654
    label: nucleoplasm
  evidence_type: TAS
  original_reference_id: Reactome:R-HSA-4341072
  review:
    summary: Supported nuclear subcompartment localization, but nucleoplasm is less
      informative than nucleus/chromatin for the core function.
    action: KEEP_AS_NON_CORE
    reason: Nucleoplasm localization is compatible with RARA biology, but the curatable
      core location is nuclear/chromatin-associated transcription factor activity.
    supported_by:
    - reference_id: file:human/RARA/RARA-deep-research-falcon.md
      supporting_text: RARα is primarily described as **nuclear** and
        **chromatin-associated** through binding to promoter/enhancer RAREs; nucleosomes
        do not necessarily preclude binding.
- term:
    id: GO:0000978
    label: RNA polymerase II cis-regulatory region sequence-specific DNA binding
  evidence_type: IDA
  original_reference_id: PMID:21131358
  review:
    summary: Core sequence-specific DNA/RARE binding function of the RARA-RXR
      transcription factor complex.
    action: ACCEPT
    reason: RARA binds retinoic acid response elements, primarily as an RXR heterodimer,
      and this DNA binding is central to its transcriptional regulatory function.
    supported_by:
    - reference_id: file:human/RARA/RARA-deep-research-falcon.md
      supporting_text: '**RARA encodes RARα**, a ligand-activated nuclear receptor that functions
        as a **sequence-specific DNA-binding transcription factor**. RARα typically acts as
        a heterodimer with retinoid X receptor (RXR) on **retinoic acid response elements
        (RAREs)**, classically composed of **direct repeats of the hexamer PuG(G/T)TCA** spaced
        by 1–5 bp (e.g., DR5, DR2, DR1).'
    - reference_id: file:human/RARA/RARA-deep-research-falcon.md
      supporting_text: RARα binds RAREs primarily as an RXR heterodimer. Structural and
        biochemical evidence includes a **1.7 Å** crystal structure of RXR and RAR
        DNA-binding domains (DBDs) assembled on a **DR1** element that shows **RAR bound
        to the upstream (5′) half-site and RXR bound downstream (3′)**, i.e., **reverse
        polarity** compared with other RXR heterodimers.
- term:
    id: GO:0000978
    label: RNA polymerase II cis-regulatory region sequence-specific DNA binding
  evidence_type: IMP
  original_reference_id: PMID:28122350
  review:
    summary: Core sequence-specific DNA/RARE binding function of the RARA-RXR
      transcription factor complex.
    action: ACCEPT
    reason: RARA binds retinoic acid response elements, primarily as an RXR heterodimer,
      and this DNA binding is central to its transcriptional regulatory function.
    supported_by:
    - reference_id: file:human/RARA/RARA-deep-research-falcon.md
      supporting_text: '**RARA encodes RARα**, a ligand-activated nuclear receptor that functions
        as a **sequence-specific DNA-binding transcription factor**. RARα typically acts as
        a heterodimer with retinoid X receptor (RXR) on **retinoic acid response elements
        (RAREs)**, classically composed of **direct repeats of the hexamer PuG(G/T)TCA** spaced
        by 1–5 bp (e.g., DR5, DR2, DR1).'
    - reference_id: file:human/RARA/RARA-deep-research-falcon.md
      supporting_text: RARα binds RAREs primarily as an RXR heterodimer. Structural and
        biochemical evidence includes a **1.7 Å** crystal structure of RXR and RAR
        DNA-binding domains (DBDs) assembled on a **DR1** element that shows **RAR bound
        to the upstream (5′) half-site and RXR bound downstream (3′)**, i.e., **reverse
        polarity** compared with other RXR heterodimers.
- term:
    id: GO:0001217
    label: DNA-binding transcription repressor activity
  evidence_type: IMP
  original_reference_id: PMID:28122350
  review:
    summary: Supported transcription repressor activity in the
      unliganded/corepressor-bound RARA-RXR state.
    action: ACCEPT
    reason: Unliganded DNA-bound RARA-RXR recruits NCoR/SMRT/HDAC corepressor machinery
      and can function as a transcriptional repressor.
    supported_by:
    - reference_id: file:human/RARA/RARA-deep-research-falcon.md
      supporting_text: RARα/RXR complexes bound to RAREs recruit **NCoR/SMRT**
        corepressors linked to HDAC activity, supporting a mechanistic basis for
        **ligand-modulated transcriptional repression**.
    - reference_id: file:human/RARA/RARA-deep-research-falcon.md
      supporting_text: 'RARα supports a canonical nuclear-receptor **cofactor “switch” mechanism**:
        in the **absence of ligand**, RARα/RXR bound on DNA recruits **corepressors** such
        as **NCoR/SMRT** that are associated with histone deacetylase (HDAC) activity and
        transcriptional repression; upon **retinoid agonist binding**, ligand-induced conformational
        changes (notably involving AF-2/helix 12 in the ligand-binding domain) destabilize
        corepressor binding and favor recruitment of **coactivators** (e.g., p160/SRC family,
        CBP/p300, Mediator/DRIP/TRAP components), enabling transcriptional activation of retinoid-responsive
        genes.'
- term:
    id: GO:0071300
    label: cellular response to retinoic acid
  evidence_type: IMP
  original_reference_id: PMID:28122350
  review:
    summary: Supported retinoid/vitamin A response annotation, but broader than the
      direct RARA receptor signaling pathway.
    action: KEEP_AS_NON_CORE
    reason: RARA is a direct mediator of retinoic acid signaling. General cellular
      response terms are valid but less precise than retinoic acid receptor signaling
      and transcriptional regulation.
    supported_by:
    - reference_id: file:human/RARA/RARA-deep-research-falcon.md
      supporting_text: '**RARA encodes RARα**, a ligand-activated nuclear receptor that functions
        as a **sequence-specific DNA-binding transcription factor**. RARα typically acts as
        a heterodimer with retinoid X receptor (RXR) on **retinoic acid response elements
        (RAREs)**, classically composed of **direct repeats of the hexamer PuG(G/T)TCA** spaced
        by 1–5 bp (e.g., DR5, DR2, DR1).'
    - reference_id: file:human/RARA/RARA-deep-research-falcon.md
      supporting_text: RARα is a core effector of retinoic acid signaling, transducing
        ligand binding into activation or repression of RA-responsive transcriptional
        programs.
- term:
    id: GO:1902894
    label: negative regulation of miRNA transcription
  evidence_type: IMP
  original_reference_id: PMID:28122350
  review:
    summary: Supported miRNA-transcription repression in a specific
      cancer/differentiation model, but non-core relative to direct RARA receptor
      activity.
    action: KEEP_AS_NON_CORE
    reason: The annotation reflects a particular downstream transcriptional program; the
      core process remains DNA-bound retinoid receptor signaling.
    supported_by:
    - reference_id: file:human/RARA/RARA-deep-research-falcon.md
      supporting_text: many transcriptomic or phenotypic outcomes in RA-treated cells
        reflect indirect downstream programs (e.g., differentiation cascades) rather
        than direct RARα DNA binding; IDA evidence for MF/CC (structure, EMSA, cofactor
        recruitment assays) is stronger than broad BP assertions unless direct targets
        are shown.
    - reference_id: file:human/RARA/RARA-deep-research-falcon.md
      supporting_text: 'RARα supports a canonical nuclear-receptor **cofactor “switch” mechanism**:
        in the **absence of ligand**, RARα/RXR bound on DNA recruits **corepressors** such
        as **NCoR/SMRT** that are associated with histone deacetylase (HDAC) activity and
        transcriptional repression; upon **retinoid agonist binding**, ligand-induced conformational
        changes (notably involving AF-2/helix 12 in the ligand-binding domain) destabilize
        corepressor binding and favor recruitment of **coactivators** (e.g., p160/SRC family,
        CBP/p300, Mediator/DRIP/TRAP components), enabling transcriptional activation of retinoid-responsive
        genes.'
- term:
    id: GO:0001223
    label: transcription coactivator binding
  evidence_type: IPI
  original_reference_id: PMID:17641689
  review:
    summary: Supported coactivator/corepressor binding mechanism, but binding terms are
      secondary to the core receptor transcription-factor activity.
    action: KEEP_AS_NON_CORE
    reason: RARA uses cofactor binding to switch between repression and activation, but
      the core function is ligand-dependent DNA-bound transcriptional regulation.
    supported_by:
    - reference_id: file:human/RARA/RARA-deep-research-falcon.md
      supporting_text: 'RARα supports a canonical nuclear-receptor **cofactor “switch” mechanism**:
        in the **absence of ligand**, RARα/RXR bound on DNA recruits **corepressors** such
        as **NCoR/SMRT** that are associated with histone deacetylase (HDAC) activity and
        transcriptional repression; upon **retinoid agonist binding**, ligand-induced conformational
        changes (notably involving AF-2/helix 12 in the ligand-binding domain) destabilize
        corepressor binding and favor recruitment of **coactivators** (e.g., p160/SRC family,
        CBP/p300, Mediator/DRIP/TRAP components), enabling transcriptional activation of retinoid-responsive
        genes.'
    - reference_id: file:human/RARA/RARA-deep-research-falcon.md
      supporting_text: Ligand binding can drive coactivator recruitment to RARα
        complexes.
    - reference_id: file:human/RARA/RARA-deep-research-falcon.md
      supporting_text: RARα/RXR complexes bound to RAREs recruit **NCoR/SMRT**
        corepressors linked to HDAC activity, supporting a mechanistic basis for
        **ligand-modulated transcriptional repression**.
- term:
    id: GO:0045944
    label: positive regulation of transcription by RNA polymerase II
  evidence_type: IDA
  original_reference_id: PMID:21131358
  review:
    summary: Supported core activating mode of RARA-mediated RNA polymerase II
      transcription regulation.
    action: ACCEPT
    reason: Ligand-bound RARA-RXR recruits coactivators and activates
      retinoid-responsive RNA polymerase II target genes.
    supported_by:
    - reference_id: file:human/RARA/RARA-deep-research-falcon.md
      supporting_text: Ligand binding can drive coactivator recruitment to RARα
        complexes.
    - reference_id: file:human/RARA/RARA-deep-research-falcon.md
      supporting_text: 'RARα supports a canonical nuclear-receptor **cofactor “switch” mechanism**:
        in the **absence of ligand**, RARα/RXR bound on DNA recruits **corepressors** such
        as **NCoR/SMRT** that are associated with histone deacetylase (HDAC) activity and
        transcriptional repression; upon **retinoid agonist binding**, ligand-induced conformational
        changes (notably involving AF-2/helix 12 in the ligand-binding domain) destabilize
        corepressor binding and favor recruitment of **coactivators** (e.g., p160/SRC family,
        CBP/p300, Mediator/DRIP/TRAP components), enabling transcriptional activation of retinoid-responsive
        genes.'
    - reference_id: file:human/RARA/RARA-deep-research-falcon.md
      supporting_text: RARα is a core effector of retinoic acid signaling, transducing
        ligand binding into activation or repression of RA-responsive transcriptional
        programs.
- term:
    id: GO:1990837
    label: sequence-specific double-stranded DNA binding
  evidence_type: IDA
  original_reference_id: PMID:28473536
  review:
    summary: Core sequence-specific DNA/RARE binding function of the RARA-RXR
      transcription factor complex.
    action: ACCEPT
    reason: RARA binds retinoic acid response elements, primarily as an RXR heterodimer,
      and this DNA binding is central to its transcriptional regulatory function.
    supported_by:
    - reference_id: file:human/RARA/RARA-deep-research-falcon.md
      supporting_text: '**RARA encodes RARα**, a ligand-activated nuclear receptor that functions
        as a **sequence-specific DNA-binding transcription factor**. RARα typically acts as
        a heterodimer with retinoid X receptor (RXR) on **retinoic acid response elements
        (RAREs)**, classically composed of **direct repeats of the hexamer PuG(G/T)TCA** spaced
        by 1–5 bp (e.g., DR5, DR2, DR1).'
    - reference_id: file:human/RARA/RARA-deep-research-falcon.md
      supporting_text: RARα binds RAREs primarily as an RXR heterodimer. Structural and
        biochemical evidence includes a **1.7 Å** crystal structure of RXR and RAR
        DNA-binding domains (DBDs) assembled on a **DR1** element that shows **RAR bound
        to the upstream (5′) half-site and RXR bound downstream (3′)**, i.e., **reverse
        polarity** compared with other RXR heterodimers.
- term:
    id: GO:0000977
    label: RNA polymerase II transcription regulatory region sequence-specific DNA
      binding
  evidence_type: IDA
  original_reference_id: PMID:19917671
  review:
    summary: Core sequence-specific DNA/RARE binding function of the RARA-RXR
      transcription factor complex.
    action: ACCEPT
    reason: RARA binds retinoic acid response elements, primarily as an RXR heterodimer,
      and this DNA binding is central to its transcriptional regulatory function.
    supported_by:
    - reference_id: file:human/RARA/RARA-deep-research-falcon.md
      supporting_text: '**RARA encodes RARα**, a ligand-activated nuclear receptor that functions
        as a **sequence-specific DNA-binding transcription factor**. RARα typically acts as
        a heterodimer with retinoid X receptor (RXR) on **retinoic acid response elements
        (RAREs)**, classically composed of **direct repeats of the hexamer PuG(G/T)TCA** spaced
        by 1–5 bp (e.g., DR5, DR2, DR1).'
    - reference_id: file:human/RARA/RARA-deep-research-falcon.md
      supporting_text: RARα binds RAREs primarily as an RXR heterodimer. Structural and
        biochemical evidence includes a **1.7 Å** crystal structure of RXR and RAR
        DNA-binding domains (DBDs) assembled on a **DR1** element that shows **RAR bound
        to the upstream (5′) half-site and RXR bound downstream (3′)**, i.e., **reverse
        polarity** compared with other RXR heterodimers.
- term:
    id: GO:0000978
    label: RNA polymerase II cis-regulatory region sequence-specific DNA binding
  evidence_type: IDA
  original_reference_id: PMID:20080953
  review:
    summary: Core sequence-specific DNA/RARE binding function of the RARA-RXR
      transcription factor complex.
    action: ACCEPT
    reason: RARA binds retinoic acid response elements, primarily as an RXR heterodimer,
      and this DNA binding is central to its transcriptional regulatory function.
    supported_by:
    - reference_id: file:human/RARA/RARA-deep-research-falcon.md
      supporting_text: '**RARA encodes RARα**, a ligand-activated nuclear receptor that functions
        as a **sequence-specific DNA-binding transcription factor**. RARα typically acts as
        a heterodimer with retinoid X receptor (RXR) on **retinoic acid response elements
        (RAREs)**, classically composed of **direct repeats of the hexamer PuG(G/T)TCA** spaced
        by 1–5 bp (e.g., DR5, DR2, DR1).'
    - reference_id: file:human/RARA/RARA-deep-research-falcon.md
      supporting_text: RARα binds RAREs primarily as an RXR heterodimer. Structural and
        biochemical evidence includes a **1.7 Å** crystal structure of RXR and RAR
        DNA-binding domains (DBDs) assembled on a **DR1** element that shows **RAR bound
        to the upstream (5′) half-site and RXR bound downstream (3′)**, i.e., **reverse
        polarity** compared with other RXR heterodimers.
- term:
    id: GO:0003682
    label: chromatin binding
  evidence_type: IDA
  original_reference_id: PMID:20080953
  review:
    summary: Core chromatin-associated localization/function at retinoid-responsive
      regulatory regions.
    action: ACCEPT
    reason: RARA binds RAREs in chromatin and functions as part of chromatin-associated
      activating or repressive transcriptional complexes.
    supported_by:
    - reference_id: file:human/RARA/RARA-deep-research-falcon.md
      supporting_text: RARα is primarily described as **nuclear** and
        **chromatin-associated** through binding to promoter/enhancer RAREs; nucleosomes
        do not necessarily preclude binding.
    - reference_id: file:human/RARA/RARA-deep-research-falcon.md
      supporting_text: RARα binds RAREs primarily as an RXR heterodimer. Structural and
        biochemical evidence includes a **1.7 Å** crystal structure of RXR and RAR
        DNA-binding domains (DBDs) assembled on a **DR1** element that shows **RAR bound
        to the upstream (5′) half-site and RXR bound downstream (3′)**, i.e., **reverse
        polarity** compared with other RXR heterodimers.
- term:
    id: GO:0032991
    label: protein-containing complex
  evidence_type: IDA
  original_reference_id: PMID:19917671
  review:
    summary: The generic protein-containing complex term should be narrowed to RNA
      polymerase II transcription regulator complex.
    action: MODIFY
    reason: The meaningful complex context is a nuclear receptor transcription regulator
      complex, not protein-containing complex as a generic parent.
    proposed_replacement_terms:
    - id: GO:0090575
      label: RNA polymerase II transcription regulator complex
    supported_by:
    - reference_id: file:human/RARA/RARA-deep-research-falcon.md
      supporting_text: 'RARα supports a canonical nuclear-receptor **cofactor “switch” mechanism**:
        in the **absence of ligand**, RARα/RXR bound on DNA recruits **corepressors** such
        as **NCoR/SMRT** that are associated with histone deacetylase (HDAC) activity and
        transcriptional repression; upon **retinoid agonist binding**, ligand-induced conformational
        changes (notably involving AF-2/helix 12 in the ligand-binding domain) destabilize
        corepressor binding and favor recruitment of **coactivators** (e.g., p160/SRC family,
        CBP/p300, Mediator/DRIP/TRAP components), enabling transcriptional activation of retinoid-responsive
        genes.'
    - reference_id: file:human/RARA/RARA-uniprot.txt
      supporting_text: ComplexPortal; CPX-508; RXRalpha-RARalpha retinoic acid receptor
        complex.
- term:
    id: GO:0032991
    label: protein-containing complex
  evidence_type: IDA
  original_reference_id: PMID:20080953
  review:
    summary: The generic protein-containing complex term should be narrowed to RNA
      polymerase II transcription regulator complex.
    action: MODIFY
    reason: The meaningful complex context is a nuclear receptor transcription regulator
      complex, not protein-containing complex as a generic parent.
    proposed_replacement_terms:
    - id: GO:0090575
      label: RNA polymerase II transcription regulator complex
    supported_by:
    - reference_id: file:human/RARA/RARA-deep-research-falcon.md
      supporting_text: 'RARα supports a canonical nuclear-receptor **cofactor “switch” mechanism**:
        in the **absence of ligand**, RARα/RXR bound on DNA recruits **corepressors** such
        as **NCoR/SMRT** that are associated with histone deacetylase (HDAC) activity and
        transcriptional repression; upon **retinoid agonist binding**, ligand-induced conformational
        changes (notably involving AF-2/helix 12 in the ligand-binding domain) destabilize
        corepressor binding and favor recruitment of **coactivators** (e.g., p160/SRC family,
        CBP/p300, Mediator/DRIP/TRAP components), enabling transcriptional activation of retinoid-responsive
        genes.'
    - reference_id: file:human/RARA/RARA-uniprot.txt
      supporting_text: ComplexPortal; CPX-508; RXRalpha-RARalpha retinoic acid receptor
        complex.
- term:
    id: GO:0048384
    label: retinoic acid receptor signaling pathway
  evidence_type: IDA
  original_reference_id: PMID:19917671
  review:
    summary: 'Core biological process: RARA mediates retinoic acid receptor signaling through
      ligand-dependent transcriptional regulation.'
    action: ACCEPT
    reason: Retinoic acid receptor signaling is the direct pathway in which RARA
      transduces retinoid ligand binding into RARE-bound transcriptional regulation.
    supported_by:
    - reference_id: file:human/RARA/RARA-deep-research-falcon.md
      supporting_text: '**RARA encodes RARα**, a ligand-activated nuclear receptor that functions
        as a **sequence-specific DNA-binding transcription factor**. RARα typically acts as
        a heterodimer with retinoid X receptor (RXR) on **retinoic acid response elements
        (RAREs)**, classically composed of **direct repeats of the hexamer PuG(G/T)TCA** spaced
        by 1–5 bp (e.g., DR5, DR2, DR1).'
    - reference_id: file:human/RARA/RARA-deep-research-falcon.md
      supporting_text: RARα is a core effector of retinoic acid signaling, transducing
        ligand binding into activation or repression of RA-responsive transcriptional
        programs.
- term:
    id: GO:0045944
    label: positive regulation of transcription by RNA polymerase II
  evidence_type: IDA
  original_reference_id: PMID:19917671
  review:
    summary: Supported core activating mode of RARA-mediated RNA polymerase II
      transcription regulation.
    action: ACCEPT
    reason: Ligand-bound RARA-RXR recruits coactivators and activates
      retinoid-responsive RNA polymerase II target genes.
    supported_by:
    - reference_id: file:human/RARA/RARA-deep-research-falcon.md
      supporting_text: Ligand binding can drive coactivator recruitment to RARα
        complexes.
    - reference_id: file:human/RARA/RARA-deep-research-falcon.md
      supporting_text: 'RARα supports a canonical nuclear-receptor **cofactor “switch” mechanism**:
        in the **absence of ligand**, RARα/RXR bound on DNA recruits **corepressors** such
        as **NCoR/SMRT** that are associated with histone deacetylase (HDAC) activity and
        transcriptional repression; upon **retinoid agonist binding**, ligand-induced conformational
        changes (notably involving AF-2/helix 12 in the ligand-binding domain) destabilize
        corepressor binding and favor recruitment of **coactivators** (e.g., p160/SRC family,
        CBP/p300, Mediator/DRIP/TRAP components), enabling transcriptional activation of retinoid-responsive
        genes.'
    - reference_id: file:human/RARA/RARA-deep-research-falcon.md
      supporting_text: RARα is a core effector of retinoic acid signaling, transducing
        ligand binding into activation or repression of RA-responsive transcriptional
        programs.
- term:
    id: GO:0000785
    label: chromatin
  evidence_type: IDA
  original_reference_id: PMID:21131358
  review:
    summary: Core chromatin-associated localization/function at retinoid-responsive
      regulatory regions.
    action: ACCEPT
    reason: RARA binds RAREs in chromatin and functions as part of chromatin-associated
      activating or repressive transcriptional complexes.
    supported_by:
    - reference_id: file:human/RARA/RARA-deep-research-falcon.md
      supporting_text: RARα is primarily described as **nuclear** and
        **chromatin-associated** through binding to promoter/enhancer RAREs; nucleosomes
        do not necessarily preclude binding.
    - reference_id: file:human/RARA/RARA-deep-research-falcon.md
      supporting_text: RARα binds RAREs primarily as an RXR heterodimer. Structural and
        biochemical evidence includes a **1.7 Å** crystal structure of RXR and RAR
        DNA-binding domains (DBDs) assembled on a **DR1** element that shows **RAR bound
        to the upstream (5′) half-site and RXR bound downstream (3′)**, i.e., **reverse
        polarity** compared with other RXR heterodimers.
- term:
    id: GO:0004879
    label: nuclear receptor activity
  evidence_type: IDA
  original_reference_id: PMID:21131358
  review:
    summary: 'Core molecular function: RARA is a retinoic-acid-binding nuclear receptor transcription
      factor.'
    action: ACCEPT
    reason: Nuclear receptor activity is the central molecular function of RARA,
      integrating retinoid ligand binding, RXR heterodimerization, RARE binding, and
      transcriptional regulation.
    supported_by:
    - reference_id: file:human/RARA/RARA-deep-research-falcon.md
      supporting_text: '**RARA encodes RARα**, a ligand-activated nuclear receptor that functions
        as a **sequence-specific DNA-binding transcription factor**. RARα typically acts as
        a heterodimer with retinoid X receptor (RXR) on **retinoic acid response elements
        (RAREs)**, classically composed of **direct repeats of the hexamer PuG(G/T)TCA** spaced
        by 1–5 bp (e.g., DR5, DR2, DR1).'
    - reference_id: file:human/RARA/RARA-deep-research-falcon.md
      supporting_text: 'RARα supports a canonical nuclear-receptor **cofactor “switch” mechanism**:
        in the **absence of ligand**, RARα/RXR bound on DNA recruits **corepressors** such
        as **NCoR/SMRT** that are associated with histone deacetylase (HDAC) activity and
        transcriptional repression; upon **retinoid agonist binding**, ligand-induced conformational
        changes (notably involving AF-2/helix 12 in the ligand-binding domain) destabilize
        corepressor binding and favor recruitment of **coactivators** (e.g., p160/SRC family,
        CBP/p300, Mediator/DRIP/TRAP components), enabling transcriptional activation of retinoid-responsive
        genes.'
- term:
    id: GO:0000785
    label: chromatin
  evidence_type: ISA
  original_reference_id: GO_REF:0000113
  review:
    summary: Core chromatin-associated localization/function at retinoid-responsive
      regulatory regions.
    action: ACCEPT
    reason: RARA binds RAREs in chromatin and functions as part of chromatin-associated
      activating or repressive transcriptional complexes.
    supported_by:
    - reference_id: file:human/RARA/RARA-deep-research-falcon.md
      supporting_text: RARα is primarily described as **nuclear** and
        **chromatin-associated** through binding to promoter/enhancer RAREs; nucleosomes
        do not necessarily preclude binding.
    - reference_id: file:human/RARA/RARA-deep-research-falcon.md
      supporting_text: RARα binds RAREs primarily as an RXR heterodimer. Structural and
        biochemical evidence includes a **1.7 Å** crystal structure of RXR and RAR
        DNA-binding domains (DBDs) assembled on a **DR1** element that shows **RAR bound
        to the upstream (5′) half-site and RXR bound downstream (3′)**, i.e., **reverse
        polarity** compared with other RXR heterodimers.
- term:
    id: GO:0000981
    label: DNA-binding transcription factor activity, RNA polymerase II-specific
  evidence_type: ISA
  original_reference_id: GO_REF:0000113
  review:
    summary: Core RNA polymerase II-specific DNA-binding transcription factor activity.
    action: ACCEPT
    reason: This term captures RARA as a sequence-specific nuclear receptor
      transcription factor acting on RNA polymerase II target genes.
    supported_by:
    - reference_id: file:human/RARA/RARA-deep-research-falcon.md
      supporting_text: '**RARA encodes RARα**, a ligand-activated nuclear receptor that functions
        as a **sequence-specific DNA-binding transcription factor**.'
    - reference_id: file:human/RARA/RARA-deep-research-falcon.md
      supporting_text: RARα is a core effector of retinoic acid signaling, transducing
        ligand binding into activation or repression of RA-responsive transcriptional
        programs.
- term:
    id: GO:0051393
    label: alpha-actinin binding
  evidence_type: IPI
  original_reference_id: PMID:22351778
  review:
    summary: Supported specific regulatory protein interaction, but non-core relative to
      RARA nuclear receptor activity.
    action: KEEP_AS_NON_CORE
    reason: These kinase or cytoskeletal interactions can modulate RARA transcriptional
      activity in particular contexts, but they should not define the core function.
    supported_by:
    - reference_id: file:human/RARA/RARA-deep-research-falcon.md
      supporting_text: many transcriptomic or phenotypic outcomes in RA-treated cells
        reflect indirect downstream programs (e.g., differentiation cascades) rather
        than direct RARα DNA binding; IDA evidence for MF/CC (structure, EMSA, cofactor
        recruitment assays) is stronger than broad BP assertions unless direct targets
        are shown.
    - reference_id: PMID:16417524
      supporting_text: Akt, which is constitutively activated in NSCLC cells,
        phosphorylates RARalpha and inhibits its transactivation.
- term:
    id: GO:0005654
    label: nucleoplasm
  evidence_type: TAS
  original_reference_id: Reactome:R-HSA-5334854
  review:
    summary: Supported nuclear subcompartment localization, but nucleoplasm is less
      informative than nucleus/chromatin for the core function.
    action: KEEP_AS_NON_CORE
    reason: Nucleoplasm localization is compatible with RARA biology, but the curatable
      core location is nuclear/chromatin-associated transcription factor activity.
    supported_by:
    - reference_id: file:human/RARA/RARA-deep-research-falcon.md
      supporting_text: RARα is primarily described as **nuclear** and
        **chromatin-associated** through binding to promoter/enhancer RAREs; nucleosomes
        do not necessarily preclude binding.
- term:
    id: GO:0005654
    label: nucleoplasm
  evidence_type: TAS
  original_reference_id: Reactome:R-HSA-5634103
  review:
    summary: Supported nuclear subcompartment localization, but nucleoplasm is less
      informative than nucleus/chromatin for the core function.
    action: KEEP_AS_NON_CORE
    reason: Nucleoplasm localization is compatible with RARA biology, but the curatable
      core location is nuclear/chromatin-associated transcription factor activity.
    supported_by:
    - reference_id: file:human/RARA/RARA-deep-research-falcon.md
      supporting_text: RARα is primarily described as **nuclear** and
        **chromatin-associated** through binding to promoter/enhancer RAREs; nucleosomes
        do not necessarily preclude binding.
- term:
    id: GO:0005654
    label: nucleoplasm
  evidence_type: TAS
  original_reference_id: Reactome:R-HSA-9009817
  review:
    summary: Supported nuclear subcompartment localization, but nucleoplasm is less
      informative than nucleus/chromatin for the core function.
    action: KEEP_AS_NON_CORE
    reason: Nucleoplasm localization is compatible with RARA biology, but the curatable
      core location is nuclear/chromatin-associated transcription factor activity.
    supported_by:
    - reference_id: file:human/RARA/RARA-deep-research-falcon.md
      supporting_text: RARα is primarily described as **nuclear** and
        **chromatin-associated** through binding to promoter/enhancer RAREs; nucleosomes
        do not necessarily preclude binding.
- term:
    id: GO:0005654
    label: nucleoplasm
  evidence_type: TAS
  original_reference_id: Reactome:R-HSA-376419
  review:
    summary: Supported nuclear subcompartment localization, but nucleoplasm is less
      informative than nucleus/chromatin for the core function.
    action: KEEP_AS_NON_CORE
    reason: Nucleoplasm localization is compatible with RARA biology, but the curatable
      core location is nuclear/chromatin-associated transcription factor activity.
    supported_by:
    - reference_id: file:human/RARA/RARA-deep-research-falcon.md
      supporting_text: RARα is primarily described as **nuclear** and
        **chromatin-associated** through binding to promoter/enhancer RAREs; nucleosomes
        do not necessarily preclude binding.
- term:
    id: GO:0005654
    label: nucleoplasm
  evidence_type: TAS
  original_reference_id: Reactome:R-HSA-382096
  review:
    summary: Supported nuclear subcompartment localization, but nucleoplasm is less
      informative than nucleus/chromatin for the core function.
    action: KEEP_AS_NON_CORE
    reason: Nucleoplasm localization is compatible with RARA biology, but the curatable
      core location is nuclear/chromatin-associated transcription factor activity.
    supported_by:
    - reference_id: file:human/RARA/RARA-deep-research-falcon.md
      supporting_text: RARα is primarily described as **nuclear** and
        **chromatin-associated** through binding to promoter/enhancer RAREs; nucleosomes
        do not necessarily preclude binding.
- term:
    id: GO:0005654
    label: nucleoplasm
  evidence_type: TAS
  original_reference_id: Reactome:R-HSA-9617067
  review:
    summary: Supported nuclear subcompartment localization, but nucleoplasm is less
      informative than nucleus/chromatin for the core function.
    action: KEEP_AS_NON_CORE
    reason: Nucleoplasm localization is compatible with RARA biology, but the curatable
      core location is nuclear/chromatin-associated transcription factor activity.
    supported_by:
    - reference_id: file:human/RARA/RARA-deep-research-falcon.md
      supporting_text: RARα is primarily described as **nuclear** and
        **chromatin-associated** through binding to promoter/enhancer RAREs; nucleosomes
        do not necessarily preclude binding.
- term:
    id: GO:0005654
    label: nucleoplasm
  evidence_type: TAS
  original_reference_id: Reactome:R-HSA-9860125
  review:
    summary: Supported nuclear subcompartment localization, but nucleoplasm is less
      informative than nucleus/chromatin for the core function.
    action: KEEP_AS_NON_CORE
    reason: Nucleoplasm localization is compatible with RARA biology, but the curatable
      core location is nuclear/chromatin-associated transcription factor activity.
    supported_by:
    - reference_id: file:human/RARA/RARA-deep-research-falcon.md
      supporting_text: RARα is primarily described as **nuclear** and
        **chromatin-associated** through binding to promoter/enhancer RAREs; nucleosomes
        do not necessarily preclude binding.
- term:
    id: GO:0043422
    label: protein kinase B binding
  evidence_type: IPI
  original_reference_id: PMID:16417524
  review:
    summary: Supported specific regulatory protein interaction, but non-core relative to
      RARA nuclear receptor activity.
    action: KEEP_AS_NON_CORE
    reason: These kinase or cytoskeletal interactions can modulate RARA transcriptional
      activity in particular contexts, but they should not define the core function.
    supported_by:
    - reference_id: file:human/RARA/RARA-deep-research-falcon.md
      supporting_text: many transcriptomic or phenotypic outcomes in RA-treated cells
        reflect indirect downstream programs (e.g., differentiation cascades) rather
        than direct RARα DNA binding; IDA evidence for MF/CC (structure, EMSA, cofactor
        recruitment assays) is stronger than broad BP assertions unless direct targets
        are shown.
    - reference_id: PMID:16417524
      supporting_text: Akt, which is constitutively activated in NSCLC cells,
        phosphorylates RARalpha and inhibits its transactivation.
- term:
    id: GO:0051018
    label: protein kinase A binding
  evidence_type: IDA
  original_reference_id: PMID:20215566
  review:
    summary: Supported specific regulatory protein interaction, but non-core relative to
      RARA nuclear receptor activity.
    action: KEEP_AS_NON_CORE
    reason: These kinase or cytoskeletal interactions can modulate RARA transcriptional
      activity in particular contexts, but they should not define the core function.
    supported_by:
    - reference_id: file:human/RARA/RARA-deep-research-falcon.md
      supporting_text: many transcriptomic or phenotypic outcomes in RA-treated cells
        reflect indirect downstream programs (e.g., differentiation cascades) rather
        than direct RARα DNA binding; IDA evidence for MF/CC (structure, EMSA, cofactor
        recruitment assays) is stronger than broad BP assertions unless direct targets
        are shown.
    - reference_id: PMID:16417524
      supporting_text: Akt, which is constitutively activated in NSCLC cells,
        phosphorylates RARalpha and inhibits its transactivation.
- term:
    id: GO:0000785
    label: chromatin
  evidence_type: IDA
  original_reference_id: PMID:17363140
  review:
    summary: Core chromatin-associated localization/function at retinoid-responsive
      regulatory regions.
    action: ACCEPT
    reason: RARA binds RAREs in chromatin and functions as part of chromatin-associated
      activating or repressive transcriptional complexes.
    supported_by:
    - reference_id: file:human/RARA/RARA-deep-research-falcon.md
      supporting_text: RARα is primarily described as **nuclear** and
        **chromatin-associated** through binding to promoter/enhancer RAREs; nucleosomes
        do not necessarily preclude binding.
    - reference_id: file:human/RARA/RARA-deep-research-falcon.md
      supporting_text: RARα binds RAREs primarily as an RXR heterodimer. Structural and
        biochemical evidence includes a **1.7 Å** crystal structure of RXR and RAR
        DNA-binding domains (DBDs) assembled on a **DR1** element that shows **RAR bound
        to the upstream (5′) half-site and RXR bound downstream (3′)**, i.e., **reverse
        polarity** compared with other RXR heterodimers.
- term:
    id: GO:0005515
    label: protein binding
  evidence_type: IPI
  original_reference_id: PMID:17363140
  review:
    summary: Protein binding is an uninformative over-annotation for RARA.
    action: MARK_AS_OVER_ANNOTATED
    reason: RARA has many documented interactions with RXR, coactivators, corepressors,
      kinases, and disease-associated partners, but GO:0005515 does not describe the
      functional mechanism. More informative terms cover nuclear receptor activity, RARE
      binding, transcription regulator complexes, and specific cofactor binding.
    supported_by:
    - reference_id: file:human/RARA/RARA-deep-research-falcon.md
      supporting_text: 'RARα supports a canonical nuclear-receptor **cofactor “switch” mechanism**:
        in the **absence of ligand**, RARα/RXR bound on DNA recruits **corepressors** such
        as **NCoR/SMRT** that are associated with histone deacetylase (HDAC) activity and
        transcriptional repression; upon **retinoid agonist binding**, ligand-induced conformational
        changes (notably involving AF-2/helix 12 in the ligand-binding domain) destabilize
        corepressor binding and favor recruitment of **coactivators** (e.g., p160/SRC family,
        CBP/p300, Mediator/DRIP/TRAP components), enabling transcriptional activation of retinoid-responsive
        genes.'
    - reference_id: file:human/RARA/RARA-deep-research-falcon.md
      supporting_text: '**RARA encodes RARα**, a ligand-activated nuclear receptor that functions
        as a **sequence-specific DNA-binding transcription factor**. RARα typically acts as
        a heterodimer with retinoid X receptor (RXR) on **retinoic acid response elements
        (RAREs)**, classically composed of **direct repeats of the hexamer PuG(G/T)TCA** spaced
        by 1–5 bp (e.g., DR5, DR2, DR1).'
- term:
    id: GO:0019899
    label: enzyme binding
  evidence_type: IPI
  original_reference_id: PMID:12039952
  review:
    summary: Generic binding annotations are over-annotations relative to the
      informative RARA receptor/cofactor mechanisms.
    action: MARK_AS_OVER_ANNOTATED
    reason: The evidence supports specific nuclear receptor, DNA-binding, and
      cofactor-complex mechanisms; generic enzyme/domain binding terms obscure the main
      function.
    supported_by:
    - reference_id: file:human/RARA/RARA-deep-research-falcon.md
      supporting_text: 'RARα supports a canonical nuclear-receptor **cofactor “switch” mechanism**:
        in the **absence of ligand**, RARα/RXR bound on DNA recruits **corepressors** such
        as **NCoR/SMRT** that are associated with histone deacetylase (HDAC) activity and
        transcriptional repression; upon **retinoid agonist binding**, ligand-induced conformational
        changes (notably involving AF-2/helix 12 in the ligand-binding domain) destabilize
        corepressor binding and favor recruitment of **coactivators** (e.g., p160/SRC family,
        CBP/p300, Mediator/DRIP/TRAP components), enabling transcriptional activation of retinoid-responsive
        genes.'
    - reference_id: file:human/RARA/RARA-deep-research-falcon.md
      supporting_text: many transcriptomic or phenotypic outcomes in RA-treated cells
        reflect indirect downstream programs (e.g., differentiation cascades) rather
        than direct RARα DNA binding; IDA evidence for MF/CC (structure, EMSA, cofactor
        recruitment assays) is stronger than broad BP assertions unless direct targets
        are shown.
- term:
    id: GO:0044323
    label: retinoic acid-responsive element binding
  evidence_type: IDA
  original_reference_id: PMID:19917671
  review:
    summary: Core sequence-specific DNA/RARE binding function of the RARA-RXR
      transcription factor complex.
    action: ACCEPT
    reason: RARA binds retinoic acid response elements, primarily as an RXR heterodimer,
      and this DNA binding is central to its transcriptional regulatory function.
    supported_by:
    - reference_id: file:human/RARA/RARA-deep-research-falcon.md
      supporting_text: '**RARA encodes RARα**, a ligand-activated nuclear receptor that functions
        as a **sequence-specific DNA-binding transcription factor**. RARα typically acts as
        a heterodimer with retinoid X receptor (RXR) on **retinoic acid response elements
        (RAREs)**, classically composed of **direct repeats of the hexamer PuG(G/T)TCA** spaced
        by 1–5 bp (e.g., DR5, DR2, DR1).'
    - reference_id: file:human/RARA/RARA-deep-research-falcon.md
      supporting_text: RARα binds RAREs primarily as an RXR heterodimer. Structural and
        biochemical evidence includes a **1.7 Å** crystal structure of RXR and RAR
        DNA-binding domains (DBDs) assembled on a **DR1** element that shows **RAR bound
        to the upstream (5′) half-site and RXR bound downstream (3′)**, i.e., **reverse
        polarity** compared with other RXR heterodimers.
- term:
    id: GO:0019899
    label: enzyme binding
  evidence_type: IPI
  original_reference_id: PMID:9628876
  review:
    summary: Generic binding annotations are over-annotations relative to the
      informative RARA receptor/cofactor mechanisms.
    action: MARK_AS_OVER_ANNOTATED
    reason: The evidence supports specific nuclear receptor, DNA-binding, and
      cofactor-complex mechanisms; generic enzyme/domain binding terms obscure the main
      function.
    supported_by:
    - reference_id: file:human/RARA/RARA-deep-research-falcon.md
      supporting_text: 'RARα supports a canonical nuclear-receptor **cofactor “switch” mechanism**:
        in the **absence of ligand**, RARα/RXR bound on DNA recruits **corepressors** such
        as **NCoR/SMRT** that are associated with histone deacetylase (HDAC) activity and
        transcriptional repression; upon **retinoid agonist binding**, ligand-induced conformational
        changes (notably involving AF-2/helix 12 in the ligand-binding domain) destabilize
        corepressor binding and favor recruitment of **coactivators** (e.g., p160/SRC family,
        CBP/p300, Mediator/DRIP/TRAP components), enabling transcriptional activation of retinoid-responsive
        genes.'
    - reference_id: file:human/RARA/RARA-deep-research-falcon.md
      supporting_text: many transcriptomic or phenotypic outcomes in RA-treated cells
        reflect indirect downstream programs (e.g., differentiation cascades) rather
        than direct RARα DNA binding; IDA evidence for MF/CC (structure, EMSA, cofactor
        recruitment assays) is stronger than broad BP assertions unless direct targets
        are shown.
- term:
    id: GO:0003700
    label: DNA-binding transcription factor activity
  evidence_type: IDA
  original_reference_id: PMID:18922886
  review:
    summary: The generic DNA-binding transcription factor term should be narrowed to
      RARA nuclear receptor/RNA polymerase II transcription factor activity.
    action: MODIFY
    reason: RARA is a ligand-activated nuclear receptor and RNA polymerase II
      transcription factor. The replacement terms capture the specific
      transcription-factor class and regulatory target.
    proposed_replacement_terms:
    - id: GO:0004879
      label: nuclear receptor activity
    - id: GO:0000981
      label: DNA-binding transcription factor activity, RNA polymerase II-specific
    supported_by:
    - reference_id: file:human/RARA/RARA-deep-research-falcon.md
      supporting_text: '**RARA encodes RARα**, a ligand-activated nuclear receptor that functions
        as a **sequence-specific DNA-binding transcription factor**.'
    - reference_id: file:human/RARA/RARA-deep-research-falcon.md
      supporting_text: 'RARα supports a canonical nuclear-receptor **cofactor “switch” mechanism**:
        in the **absence of ligand**, RARα/RXR bound on DNA recruits **corepressors** such
        as **NCoR/SMRT** that are associated with histone deacetylase (HDAC) activity and
        transcriptional repression; upon **retinoid agonist binding**, ligand-induced conformational
        changes (notably involving AF-2/helix 12 in the ligand-binding domain) destabilize
        corepressor binding and favor recruitment of **coactivators** (e.g., p160/SRC family,
        CBP/p300, Mediator/DRIP/TRAP components), enabling transcriptional activation of retinoid-responsive
        genes.'
- term:
    id: GO:0005515
    label: protein binding
  evidence_type: IPI
  original_reference_id: PMID:19917671
  review:
    summary: Protein binding is an uninformative over-annotation for RARA.
    action: MARK_AS_OVER_ANNOTATED
    reason: RARA has many documented interactions with RXR, coactivators, corepressors,
      kinases, and disease-associated partners, but GO:0005515 does not describe the
      functional mechanism. More informative terms cover nuclear receptor activity, RARE
      binding, transcription regulator complexes, and specific cofactor binding.
    supported_by:
    - reference_id: file:human/RARA/RARA-deep-research-falcon.md
      supporting_text: 'RARα supports a canonical nuclear-receptor **cofactor “switch” mechanism**:
        in the **absence of ligand**, RARα/RXR bound on DNA recruits **corepressors** such
        as **NCoR/SMRT** that are associated with histone deacetylase (HDAC) activity and
        transcriptional repression; upon **retinoid agonist binding**, ligand-induced conformational
        changes (notably involving AF-2/helix 12 in the ligand-binding domain) destabilize
        corepressor binding and favor recruitment of **coactivators** (e.g., p160/SRC family,
        CBP/p300, Mediator/DRIP/TRAP components), enabling transcriptional activation of retinoid-responsive
        genes.'
    - reference_id: file:human/RARA/RARA-deep-research-falcon.md
      supporting_text: '**RARA encodes RARα**, a ligand-activated nuclear receptor that functions
        as a **sequence-specific DNA-binding transcription factor**. RARα typically acts as
        a heterodimer with retinoid X receptor (RXR) on **retinoic acid response elements
        (RAREs)**, classically composed of **direct repeats of the hexamer PuG(G/T)TCA** spaced
        by 1–5 bp (e.g., DR5, DR2, DR1).'
- term:
    id: GO:0005634
    label: nucleus
  evidence_type: IDA
  original_reference_id: PMID:18845237
  review:
    summary: Core nuclear localization for the RARA transcription factor.
    action: ACCEPT
    reason: RARA is primarily a nuclear transcription factor whose direct function
      occurs at nuclear response elements.
    supported_by:
    - reference_id: file:human/RARA/RARA-deep-research-falcon.md
      supporting_text: RARα is primarily described as **nuclear** and
        **chromatin-associated** through binding to promoter/enhancer RAREs; nucleosomes
        do not necessarily preclude binding.
    - reference_id: file:human/RARA/RARA-deep-research-falcon.md
      supporting_text: '**RARA encodes RARα**, a ligand-activated nuclear receptor that functions
        as a **sequence-specific DNA-binding transcription factor**.'
- term:
    id: GO:0005634
    label: nucleus
  evidence_type: IDA
  original_reference_id: PMID:19917671
  review:
    summary: Core nuclear localization for the RARA transcription factor.
    action: ACCEPT
    reason: RARA is primarily a nuclear transcription factor whose direct function
      occurs at nuclear response elements.
    supported_by:
    - reference_id: file:human/RARA/RARA-deep-research-falcon.md
      supporting_text: RARα is primarily described as **nuclear** and
        **chromatin-associated** through binding to promoter/enhancer RAREs; nucleosomes
        do not necessarily preclude binding.
    - reference_id: file:human/RARA/RARA-deep-research-falcon.md
      supporting_text: '**RARA encodes RARα**, a ligand-activated nuclear receptor that functions
        as a **sequence-specific DNA-binding transcription factor**.'
- term:
    id: GO:0030853
    label: negative regulation of granulocyte differentiation
  evidence_type: IDA
  original_reference_id: PMID:19917671
  review:
    summary: Negative regulation of granulocyte differentiation is likely fusion- or
      disease-context dependent and should not be treated as core wild-type RARA
      function.
    action: MARK_AS_OVER_ANNOTATED
    reason: APL and PML::RARA evidence is mechanistically informative, but
      fusion-specific repression and differentiation blockade should not be transferred
      wholesale to wild-type RARA.
    supported_by:
    - reference_id: file:human/RARA/RARA-deep-research-falcon.md
      supporting_text: PML::RARA and other RARA fusions preserve some RARα biochemical
        properties (DNA binding, retinoid responsiveness) but add fusion-specific
        multimerization, chromatin targeting, condensate formation, and altered
        transcriptional programs; these findings are mechanistically informative but
        should not be transferred wholesale to wild-type RARA GO annotations.
    - reference_id: file:human/RARA/RARA-deep-research-falcon.md
      supporting_text: many transcriptomic or phenotypic outcomes in RA-treated cells
        reflect indirect downstream programs (e.g., differentiation cascades) rather
        than direct RARα DNA binding; IDA evidence for MF/CC (structure, EMSA, cofactor
        recruitment assays) is stronger than broad BP assertions unless direct targets
        are shown.
- term:
    id: GO:0031490
    label: chromatin DNA binding
  evidence_type: IDA
  original_reference_id: PMID:19917671
  review:
    summary: Core sequence-specific DNA/RARE binding function of the RARA-RXR
      transcription factor complex.
    action: ACCEPT
    reason: RARA binds retinoic acid response elements, primarily as an RXR heterodimer,
      and this DNA binding is central to its transcriptional regulatory function.
    supported_by:
    - reference_id: file:human/RARA/RARA-deep-research-falcon.md
      supporting_text: '**RARA encodes RARα**, a ligand-activated nuclear receptor that functions
        as a **sequence-specific DNA-binding transcription factor**. RARα typically acts as
        a heterodimer with retinoid X receptor (RXR) on **retinoic acid response elements
        (RAREs)**, classically composed of **direct repeats of the hexamer PuG(G/T)TCA** spaced
        by 1–5 bp (e.g., DR5, DR2, DR1).'
    - reference_id: file:human/RARA/RARA-deep-research-falcon.md
      supporting_text: RARα binds RAREs primarily as an RXR heterodimer. Structural and
        biochemical evidence includes a **1.7 Å** crystal structure of RXR and RAR
        DNA-binding domains (DBDs) assembled on a **DR1** element that shows **RAR bound
        to the upstream (5′) half-site and RXR bound downstream (3′)**, i.e., **reverse
        polarity** compared with other RXR heterodimers.
- term:
    id: GO:0045893
    label: positive regulation of DNA-templated transcription
  evidence_type: IDA
  original_reference_id: PMID:18845237
  review:
    summary: The broad positive regulation of DNA-templated transcription term should be
      narrowed to RNA polymerase II transcription regulation.
    action: MODIFY
    reason: RARA acts as an RNA polymerase II transcription regulator at RARE/chromatin
      loci; GO:0045944 is the more specific BP term already supported by the evidence.
    proposed_replacement_terms:
    - id: GO:0045944
      label: positive regulation of transcription by RNA polymerase II
    supported_by:
    - reference_id: file:human/RARA/RARA-deep-research-falcon.md
      supporting_text: Ligand binding can drive coactivator recruitment to RARα
        complexes.
    - reference_id: file:human/RARA/RARA-deep-research-falcon.md
      supporting_text: RARα is a core effector of retinoic acid signaling, transducing
        ligand binding into activation or repression of RA-responsive transcriptional
        programs.
- term:
    id: GO:0005515
    label: protein binding
  evidence_type: IPI
  original_reference_id: PMID:19850744
  review:
    summary: Protein binding is an uninformative over-annotation for RARA.
    action: MARK_AS_OVER_ANNOTATED
    reason: RARA has many documented interactions with RXR, coactivators, corepressors,
      kinases, and disease-associated partners, but GO:0005515 does not describe the
      functional mechanism. More informative terms cover nuclear receptor activity, RARE
      binding, transcription regulator complexes, and specific cofactor binding.
    supported_by:
    - reference_id: file:human/RARA/RARA-deep-research-falcon.md
      supporting_text: 'RARα supports a canonical nuclear-receptor **cofactor “switch” mechanism**:
        in the **absence of ligand**, RARα/RXR bound on DNA recruits **corepressors** such
        as **NCoR/SMRT** that are associated with histone deacetylase (HDAC) activity and
        transcriptional repression; upon **retinoid agonist binding**, ligand-induced conformational
        changes (notably involving AF-2/helix 12 in the ligand-binding domain) destabilize
        corepressor binding and favor recruitment of **coactivators** (e.g., p160/SRC family,
        CBP/p300, Mediator/DRIP/TRAP components), enabling transcriptional activation of retinoid-responsive
        genes.'
    - reference_id: file:human/RARA/RARA-deep-research-falcon.md
      supporting_text: '**RARA encodes RARα**, a ligand-activated nuclear receptor that functions
        as a **sequence-specific DNA-binding transcription factor**. RARα typically acts as
        a heterodimer with retinoid X receptor (RXR) on **retinoic acid response elements
        (RAREs)**, classically composed of **direct repeats of the hexamer PuG(G/T)TCA** spaced
        by 1–5 bp (e.g., DR5, DR2, DR1).'
- term:
    id: GO:0005737
    label: cytoplasm
  evidence_type: IDA
  original_reference_id: PMID:19850744
  review:
    summary: Supported or plausible cytoplasmic/perinuclear pool, but non-core relative
      to nuclear/chromatin transcriptional regulation.
    action: KEEP_AS_NON_CORE
    reason: RARA can have cytoplasmic or regulated translocation pools, but direct
      GO-core function occurs as a nuclear/chromatin-associated transcription factor.
    supported_by:
    - reference_id: file:human/RARA/RARA-deep-research-falcon.md
      supporting_text: RARα is primarily described as **nuclear** and
        **chromatin-associated** through binding to promoter/enhancer RAREs; nucleosomes
        do not necessarily preclude binding.
- term:
    id: GO:0006468
    label: protein phosphorylation
  evidence_type: IMP
  original_reference_id: PMID:16456540
  review:
    summary: RARA is a phosphorylation substrate/regulatory target, not a protein
      kinase.
    action: REMOVE
    reason: The relevant evidence shows kinases phosphorylating RARA or RARA-associated
      coactivators to modulate transcription. It does not support RARA enabling protein
      phosphorylation.
    supported_by:
    - reference_id: PMID:16417524
      supporting_text: Akt, which is constitutively activated in NSCLC cells,
        phosphorylates RARalpha and inhibits its transactivation.
    - reference_id: file:human/RARA/RARA-deep-research-falcon.md
      supporting_text: many transcriptomic or phenotypic outcomes in RA-treated cells
        reflect indirect downstream programs (e.g., differentiation cascades) rather
        than direct RARα DNA binding; IDA evidence for MF/CC (structure, EMSA, cofactor
        recruitment assays) is stronger than broad BP assertions unless direct targets
        are shown.
- term:
    id: GO:0043277
    label: apoptotic cell clearance
  evidence_type: IMP
  original_reference_id: PMID:19628791
  review:
    summary: Supported macrophage apoptotic-cell clearance pathway output, but non-core
      relative to RARA transcriptional regulation.
    action: KEEP_AS_NON_CORE
    reason: This phenotype is mediated through RARalpha-dependent induction of TGM2 in
      macrophages and is a downstream cellular outcome of nuclear receptor signaling.
    supported_by:
    - reference_id: PMID:19628791
      supporting_text: 'CONCLUSIONS: These results indicate an important role for LXRs in
        the control of phagocytosis through an RARalpha-TGM2-dependent mechanism.'
    - reference_id: file:human/RARA/RARA-deep-research-falcon.md
      supporting_text: many transcriptomic or phenotypic outcomes in RA-treated cells
        reflect indirect downstream programs (e.g., differentiation cascades) rather
        than direct RARα DNA binding; IDA evidence for MF/CC (structure, EMSA, cofactor
        recruitment assays) is stronger than broad BP assertions unless direct targets
        are shown.
- term:
    id: GO:0045893
    label: positive regulation of DNA-templated transcription
  evidence_type: IDA
  original_reference_id: PMID:19850744
  review:
    summary: The broad positive regulation of DNA-templated transcription term should be
      narrowed to RNA polymerase II transcription regulation.
    action: MODIFY
    reason: RARA acts as an RNA polymerase II transcription regulator at RARE/chromatin
      loci; GO:0045944 is the more specific BP term already supported by the evidence.
    proposed_replacement_terms:
    - id: GO:0045944
      label: positive regulation of transcription by RNA polymerase II
    supported_by:
    - reference_id: file:human/RARA/RARA-deep-research-falcon.md
      supporting_text: Ligand binding can drive coactivator recruitment to RARα
        complexes.
    - reference_id: file:human/RARA/RARA-deep-research-falcon.md
      supporting_text: RARα is a core effector of retinoic acid signaling, transducing
        ligand binding into activation or repression of RA-responsive transcriptional
        programs.
- term:
    id: GO:0045944
    label: positive regulation of transcription by RNA polymerase II
  evidence_type: IDA
  original_reference_id: PMID:19850744
  review:
    summary: Supported core activating mode of RARA-mediated RNA polymerase II
      transcription regulation.
    action: ACCEPT
    reason: Ligand-bound RARA-RXR recruits coactivators and activates
      retinoid-responsive RNA polymerase II target genes.
    supported_by:
    - reference_id: file:human/RARA/RARA-deep-research-falcon.md
      supporting_text: Ligand binding can drive coactivator recruitment to RARα
        complexes.
    - reference_id: file:human/RARA/RARA-deep-research-falcon.md
      supporting_text: 'RARα supports a canonical nuclear-receptor **cofactor “switch” mechanism**:
        in the **absence of ligand**, RARα/RXR bound on DNA recruits **corepressors** such
        as **NCoR/SMRT** that are associated with histone deacetylase (HDAC) activity and
        transcriptional repression; upon **retinoid agonist binding**, ligand-induced conformational
        changes (notably involving AF-2/helix 12 in the ligand-binding domain) destabilize
        corepressor binding and favor recruitment of **coactivators** (e.g., p160/SRC family,
        CBP/p300, Mediator/DRIP/TRAP components), enabling transcriptional activation of retinoid-responsive
        genes.'
    - reference_id: file:human/RARA/RARA-deep-research-falcon.md
      supporting_text: RARα is a core effector of retinoic acid signaling, transducing
        ligand binding into activation or repression of RA-responsive transcriptional
        programs.
- term:
    id: GO:0045893
    label: positive regulation of DNA-templated transcription
  evidence_type: IMP
  original_reference_id: PMID:19628791
  review:
    summary: The broad positive regulation of DNA-templated transcription term should be
      narrowed to RNA polymerase II transcription regulation.
    action: MODIFY
    reason: RARA acts as an RNA polymerase II transcription regulator at RARE/chromatin
      loci; GO:0045944 is the more specific BP term already supported by the evidence.
    proposed_replacement_terms:
    - id: GO:0045944
      label: positive regulation of transcription by RNA polymerase II
    supported_by:
    - reference_id: file:human/RARA/RARA-deep-research-falcon.md
      supporting_text: Ligand binding can drive coactivator recruitment to RARα
        complexes.
    - reference_id: file:human/RARA/RARA-deep-research-falcon.md
      supporting_text: RARα is a core effector of retinoic acid signaling, transducing
        ligand binding into activation or repression of RA-responsive transcriptional
        programs.
- term:
    id: GO:0005102
    label: signaling receptor binding
  evidence_type: IDA
  original_reference_id: PMID:19628791
  review:
    summary: PMID:19628791 supports an LXR/RARA-dependent transcriptional pathway
      that induces TGM2-dependent phagocytosis, not RARA signaling receptor binding.
    action: REMOVE
    reason: The molecular function is assigned to the wrong gene product. TGM2 is
      the factor required for macrophage phagocytosis, while RARA acts upstream as
      a nuclear receptor transcription factor. This source evidence does not show
      RARA directly binding a signaling receptor.
    supported_by:
    - reference_id: PMID:19628791
      supporting_text: 'CONCLUSIONS: These results indicate an important role for LXRs in
        the control of phagocytosis through an RARalpha-TGM2-dependent mechanism.'
    - reference_id: file:human/RARA/RARA-deep-research-falcon.md
      supporting_text: '**RARA encodes RARα**, a ligand-activated nuclear receptor that functions
        as a **sequence-specific DNA-binding transcription factor**.'
- term:
    id: GO:0019904
    label: protein domain specific binding
  evidence_type: IPI
  original_reference_id: PMID:20413580
  review:
    summary: Generic binding annotations are over-annotations relative to the
      informative RARA receptor/cofactor mechanisms.
    action: MARK_AS_OVER_ANNOTATED
    reason: The evidence supports specific nuclear receptor, DNA-binding, and
      cofactor-complex mechanisms; generic enzyme/domain binding terms obscure the main
      function.
    supported_by:
    - reference_id: file:human/RARA/RARA-deep-research-falcon.md
      supporting_text: 'RARα supports a canonical nuclear-receptor **cofactor “switch” mechanism**:
        in the **absence of ligand**, RARα/RXR bound on DNA recruits **corepressors** such
        as **NCoR/SMRT** that are associated with histone deacetylase (HDAC) activity and
        transcriptional repression; upon **retinoid agonist binding**, ligand-induced conformational
        changes (notably involving AF-2/helix 12 in the ligand-binding domain) destabilize
        corepressor binding and favor recruitment of **coactivators** (e.g., p160/SRC family,
        CBP/p300, Mediator/DRIP/TRAP components), enabling transcriptional activation of retinoid-responsive
        genes.'
    - reference_id: file:human/RARA/RARA-deep-research-falcon.md
      supporting_text: many transcriptomic or phenotypic outcomes in RA-treated cells
        reflect indirect downstream programs (e.g., differentiation cascades) rather
        than direct RARα DNA binding; IDA evidence for MF/CC (structure, EMSA, cofactor
        recruitment assays) is stronger than broad BP assertions unless direct targets
        are shown.
- term:
    id: GO:0003700
    label: DNA-binding transcription factor activity
  evidence_type: IDA
  original_reference_id: PMID:20413580
  review:
    summary: The generic DNA-binding transcription factor term should be narrowed to
      RARA nuclear receptor/RNA polymerase II transcription factor activity.
    action: MODIFY
    reason: RARA is a ligand-activated nuclear receptor and RNA polymerase II
      transcription factor. The replacement terms capture the specific
      transcription-factor class and regulatory target.
    proposed_replacement_terms:
    - id: GO:0004879
      label: nuclear receptor activity
    - id: GO:0000981
      label: DNA-binding transcription factor activity, RNA polymerase II-specific
    supported_by:
    - reference_id: file:human/RARA/RARA-deep-research-falcon.md
      supporting_text: '**RARA encodes RARα**, a ligand-activated nuclear receptor that functions
        as a **sequence-specific DNA-binding transcription factor**.'
    - reference_id: file:human/RARA/RARA-deep-research-falcon.md
      supporting_text: 'RARα supports a canonical nuclear-receptor **cofactor “switch” mechanism**:
        in the **absence of ligand**, RARα/RXR bound on DNA recruits **corepressors** such
        as **NCoR/SMRT** that are associated with histone deacetylase (HDAC) activity and
        transcriptional repression; upon **retinoid agonist binding**, ligand-induced conformational
        changes (notably involving AF-2/helix 12 in the ligand-binding domain) destabilize
        corepressor binding and favor recruitment of **coactivators** (e.g., p160/SRC family,
        CBP/p300, Mediator/DRIP/TRAP components), enabling transcriptional activation of retinoid-responsive
        genes.'
- term:
    id: GO:0005515
    label: protein binding
  evidence_type: IPI
  original_reference_id: PMID:20080953
  review:
    summary: Protein binding is an uninformative over-annotation for RARA.
    action: MARK_AS_OVER_ANNOTATED
    reason: RARA has many documented interactions with RXR, coactivators, corepressors,
      kinases, and disease-associated partners, but GO:0005515 does not describe the
      functional mechanism. More informative terms cover nuclear receptor activity, RARE
      binding, transcription regulator complexes, and specific cofactor binding.
    supported_by:
    - reference_id: file:human/RARA/RARA-deep-research-falcon.md
      supporting_text: 'RARα supports a canonical nuclear-receptor **cofactor “switch” mechanism**:
        in the **absence of ligand**, RARα/RXR bound on DNA recruits **corepressors** such
        as **NCoR/SMRT** that are associated with histone deacetylase (HDAC) activity and
        transcriptional repression; upon **retinoid agonist binding**, ligand-induced conformational
        changes (notably involving AF-2/helix 12 in the ligand-binding domain) destabilize
        corepressor binding and favor recruitment of **coactivators** (e.g., p160/SRC family,
        CBP/p300, Mediator/DRIP/TRAP components), enabling transcriptional activation of retinoid-responsive
        genes.'
    - reference_id: file:human/RARA/RARA-deep-research-falcon.md
      supporting_text: '**RARA encodes RARα**, a ligand-activated nuclear receptor that functions
        as a **sequence-specific DNA-binding transcription factor**. RARα typically acts as
        a heterodimer with retinoid X receptor (RXR) on **retinoic acid response elements
        (RAREs)**, classically composed of **direct repeats of the hexamer PuG(G/T)TCA** spaced
        by 1–5 bp (e.g., DR5, DR2, DR1).'
- term:
    id: GO:0005634
    label: nucleus
  evidence_type: IDA
  original_reference_id: PMID:20080953
  review:
    summary: Core nuclear localization for the RARA transcription factor.
    action: ACCEPT
    reason: RARA is primarily a nuclear transcription factor whose direct function
      occurs at nuclear response elements.
    supported_by:
    - reference_id: file:human/RARA/RARA-deep-research-falcon.md
      supporting_text: RARα is primarily described as **nuclear** and
        **chromatin-associated** through binding to promoter/enhancer RAREs; nucleosomes
        do not necessarily preclude binding.
    - reference_id: file:human/RARA/RARA-deep-research-falcon.md
      supporting_text: '**RARA encodes RARα**, a ligand-activated nuclear receptor that functions
        as a **sequence-specific DNA-binding transcription factor**.'
- term:
    id: GO:0008284
    label: positive regulation of cell population proliferation
  evidence_type: IMP
  original_reference_id: PMID:20080953
  review:
    summary: Supported cell proliferation, apoptosis, cell-cycle, or binding effects are
      context-specific downstream outputs of RARA signaling.
    action: KEEP_AS_NON_CORE
    reason: These annotations can be retained as non-core where experiments support
      cellular phenotypes, but they are downstream of direct retinoid receptor
      transcriptional regulation.
    supported_by:
    - reference_id: file:human/RARA/RARA-deep-research-falcon.md
      supporting_text: many transcriptomic or phenotypic outcomes in RA-treated cells
        reflect indirect downstream programs (e.g., differentiation cascades) rather
        than direct RARα DNA binding; IDA evidence for MF/CC (structure, EMSA, cofactor
        recruitment assays) is stronger than broad BP assertions unless direct targets
        are shown.
    - reference_id: PMID:20080953
      supporting_text: We now show that RAR alpha is required for efficient estrogen
        receptor-alpha (ER)-mediated transcription and cell proliferation.
- term:
    id: GO:0045787
    label: positive regulation of cell cycle
  evidence_type: IMP
  original_reference_id: PMID:20080953
  review:
    summary: Supported cell proliferation, apoptosis, cell-cycle, or binding effects are
      context-specific downstream outputs of RARA signaling.
    action: KEEP_AS_NON_CORE
    reason: These annotations can be retained as non-core where experiments support
      cellular phenotypes, but they are downstream of direct retinoid receptor
      transcriptional regulation.
    supported_by:
    - reference_id: file:human/RARA/RARA-deep-research-falcon.md
      supporting_text: many transcriptomic or phenotypic outcomes in RA-treated cells
        reflect indirect downstream programs (e.g., differentiation cascades) rather
        than direct RARα DNA binding; IDA evidence for MF/CC (structure, EMSA, cofactor
        recruitment assays) is stronger than broad BP assertions unless direct targets
        are shown.
    - reference_id: PMID:20080953
      supporting_text: We now show that RAR alpha is required for efficient estrogen
        receptor-alpha (ER)-mediated transcription and cell proliferation.
- term:
    id: GO:0045892
    label: negative regulation of DNA-templated transcription
  evidence_type: IDA
  original_reference_id: PMID:20080953
  review:
    summary: The broad negative regulation of DNA-templated transcription term should be
      narrowed to RNA polymerase II transcription repression.
    action: MODIFY
    reason: Unliganded RARA-RXR represses RNA polymerase II transcription via
      NCoR/SMRT/HDAC corepressor complexes.
    proposed_replacement_terms:
    - id: GO:0000122
      label: negative regulation of transcription by RNA polymerase II
    supported_by:
    - reference_id: file:human/RARA/RARA-deep-research-falcon.md
      supporting_text: RARα/RXR complexes bound to RAREs recruit **NCoR/SMRT**
        corepressors linked to HDAC activity, supporting a mechanistic basis for
        **ligand-modulated transcriptional repression**.
- term:
    id: GO:0045893
    label: positive regulation of DNA-templated transcription
  evidence_type: IDA
  original_reference_id: PMID:20080953
  review:
    summary: The broad positive regulation of DNA-templated transcription term should be
      narrowed to RNA polymerase II transcription regulation.
    action: MODIFY
    reason: RARA acts as an RNA polymerase II transcription regulator at RARE/chromatin
      loci; GO:0045944 is the more specific BP term already supported by the evidence.
    proposed_replacement_terms:
    - id: GO:0045944
      label: positive regulation of transcription by RNA polymerase II
    supported_by:
    - reference_id: file:human/RARA/RARA-deep-research-falcon.md
      supporting_text: Ligand binding can drive coactivator recruitment to RARα
        complexes.
    - reference_id: file:human/RARA/RARA-deep-research-falcon.md
      supporting_text: RARα is a core effector of retinoic acid signaling, transducing
        ligand binding into activation or repression of RA-responsive transcriptional
        programs.
- term:
    id: GO:0045944
    label: positive regulation of transcription by RNA polymerase II
  evidence_type: IMP
  original_reference_id: PMID:20080953
  review:
    summary: Supported core activating mode of RARA-mediated RNA polymerase II
      transcription regulation.
    action: ACCEPT
    reason: Ligand-bound RARA-RXR recruits coactivators and activates
      retinoid-responsive RNA polymerase II target genes.
    supported_by:
    - reference_id: file:human/RARA/RARA-deep-research-falcon.md
      supporting_text: Ligand binding can drive coactivator recruitment to RARα
        complexes.
    - reference_id: file:human/RARA/RARA-deep-research-falcon.md
      supporting_text: 'RARα supports a canonical nuclear-receptor **cofactor “switch” mechanism**:
        in the **absence of ligand**, RARα/RXR bound on DNA recruits **corepressors** such
        as **NCoR/SMRT** that are associated with histone deacetylase (HDAC) activity and
        transcriptional repression; upon **retinoid agonist binding**, ligand-induced conformational
        changes (notably involving AF-2/helix 12 in the ligand-binding domain) destabilize
        corepressor binding and favor recruitment of **coactivators** (e.g., p160/SRC family,
        CBP/p300, Mediator/DRIP/TRAP components), enabling transcriptional activation of retinoid-responsive
        genes.'
    - reference_id: file:human/RARA/RARA-deep-research-falcon.md
      supporting_text: RARα is a core effector of retinoic acid signaling, transducing
        ligand binding into activation or repression of RA-responsive transcriptional
        programs.
- term:
    id: GO:0051099
    label: positive regulation of binding
  evidence_type: IMP
  original_reference_id: PMID:20080953
  review:
    summary: Supported cell proliferation, apoptosis, cell-cycle, or binding effects are
      context-specific downstream outputs of RARA signaling.
    action: KEEP_AS_NON_CORE
    reason: These annotations can be retained as non-core where experiments support
      cellular phenotypes, but they are downstream of direct retinoid receptor
      transcriptional regulation.
    supported_by:
    - reference_id: file:human/RARA/RARA-deep-research-falcon.md
      supporting_text: many transcriptomic or phenotypic outcomes in RA-treated cells
        reflect indirect downstream programs (e.g., differentiation cascades) rather
        than direct RARα DNA binding; IDA evidence for MF/CC (structure, EMSA, cofactor
        recruitment assays) is stronger than broad BP assertions unless direct targets
        are shown.
    - reference_id: PMID:20080953
      supporting_text: We now show that RAR alpha is required for efficient estrogen
        receptor-alpha (ER)-mediated transcription and cell proliferation.
- term:
    id: GO:0071391
    label: cellular response to estrogen stimulus
  evidence_type: IDA
  original_reference_id: PMID:20080953
  review:
    summary: Supported estrogen cross-talk context, but non-core relative to canonical
      retinoic acid receptor function.
    action: KEEP_AS_NON_CORE
    reason: RARA can cooperate with estrogen receptor programs in breast cancer cells,
      but this is a context-specific regulatory interaction rather than the core
      retinoid receptor function.
    supported_by:
    - reference_id: PMID:20080953
      supporting_text: We now show that RAR alpha is required for efficient estrogen
        receptor-alpha (ER)-mediated transcription and cell proliferation.
    - reference_id: file:human/RARA/RARA-deep-research-falcon.md
      supporting_text: many transcriptomic or phenotypic outcomes in RA-treated cells
        reflect indirect downstream programs (e.g., differentiation cascades) rather
        than direct RARα DNA binding; IDA evidence for MF/CC (structure, EMSA, cofactor
        recruitment assays) is stronger than broad BP assertions unless direct targets
        are shown.
- term:
    id: GO:0001972
    label: retinoic acid binding
  evidence_type: IDA
  original_reference_id: PMID:2825025
  review:
    summary: Core ligand-binding function for all-trans retinoic acid and related
      retinoids.
    action: ACCEPT
    reason: Retinoic acid binding drives the ligand-dependent corepressor-to-coactivator
      switch of RARA nuclear receptor activity.
    supported_by:
    - reference_id: file:human/RARA/RARA-deep-research-falcon.md
      supporting_text: '**RARA encodes RARα**, a ligand-activated nuclear receptor that functions
        as a **sequence-specific DNA-binding transcription factor**. RARα typically acts as
        a heterodimer with retinoid X receptor (RXR) on **retinoic acid response elements
        (RAREs)**, classically composed of **direct repeats of the hexamer PuG(G/T)TCA** spaced
        by 1–5 bp (e.g., DR5, DR2, DR1).'
    - reference_id: file:human/RARA/RARA-deep-research-falcon.md
      supporting_text: 'RARα supports a canonical nuclear-receptor **cofactor “switch” mechanism**:
        in the **absence of ligand**, RARα/RXR bound on DNA recruits **corepressors** such
        as **NCoR/SMRT** that are associated with histone deacetylase (HDAC) activity and
        transcriptional repression; upon **retinoid agonist binding**, ligand-induced conformational
        changes (notably involving AF-2/helix 12 in the ligand-binding domain) destabilize
        corepressor binding and favor recruitment of **coactivators** (e.g., p160/SRC family,
        CBP/p300, Mediator/DRIP/TRAP components), enabling transcriptional activation of retinoid-responsive
        genes.'
- term:
    id: GO:0032689
    label: negative regulation of type II interferon production
  evidence_type: IDA
  original_reference_id: PMID:18416830
  review:
    summary: Supported human T-cell cytokine/Th2 differentiation effects, but non-core
      relative to direct RARA receptor transcriptional regulation.
    action: KEEP_AS_NON_CORE
    reason: RAR-alpha engagement affects activated human T-cell cytokine programs, but
      these immune outputs are downstream and cell-context-specific.
    supported_by:
    - reference_id: PMID:18416830
      supporting_text: 'CONCLUSION: These results strongly support a role for RAR-alpha engagement
        in the regulation of genes and proteins involved with human T cell activation and
        type 2 cytokine production.'
    - reference_id: file:human/RARA/RARA-deep-research-falcon.md
      supporting_text: many transcriptomic or phenotypic outcomes in RA-treated cells
        reflect indirect downstream programs (e.g., differentiation cascades) rather
        than direct RARα DNA binding; IDA evidence for MF/CC (structure, EMSA, cofactor
        recruitment assays) is stronger than broad BP assertions unless direct targets
        are shown.
- term:
    id: GO:0032720
    label: negative regulation of tumor necrosis factor production
  evidence_type: IDA
  original_reference_id: PMID:18416830
  review:
    summary: Supported human T-cell cytokine/Th2 differentiation effects, but non-core
      relative to direct RARA receptor transcriptional regulation.
    action: KEEP_AS_NON_CORE
    reason: RAR-alpha engagement affects activated human T-cell cytokine programs, but
      these immune outputs are downstream and cell-context-specific.
    supported_by:
    - reference_id: PMID:18416830
      supporting_text: 'CONCLUSION: These results strongly support a role for RAR-alpha engagement
        in the regulation of genes and proteins involved with human T cell activation and
        type 2 cytokine production.'
    - reference_id: file:human/RARA/RARA-deep-research-falcon.md
      supporting_text: many transcriptomic or phenotypic outcomes in RA-treated cells
        reflect indirect downstream programs (e.g., differentiation cascades) rather
        than direct RARα DNA binding; IDA evidence for MF/CC (structure, EMSA, cofactor
        recruitment assays) is stronger than broad BP assertions unless direct targets
        are shown.
- term:
    id: GO:0032736
    label: positive regulation of interleukin-13 production
  evidence_type: IDA
  original_reference_id: PMID:18416830
  review:
    summary: Supported human T-cell cytokine/Th2 differentiation effects, but non-core
      relative to direct RARA receptor transcriptional regulation.
    action: KEEP_AS_NON_CORE
    reason: RAR-alpha engagement affects activated human T-cell cytokine programs, but
      these immune outputs are downstream and cell-context-specific.
    supported_by:
    - reference_id: PMID:18416830
      supporting_text: 'CONCLUSION: These results strongly support a role for RAR-alpha engagement
        in the regulation of genes and proteins involved with human T cell activation and
        type 2 cytokine production.'
    - reference_id: file:human/RARA/RARA-deep-research-falcon.md
      supporting_text: many transcriptomic or phenotypic outcomes in RA-treated cells
        reflect indirect downstream programs (e.g., differentiation cascades) rather
        than direct RARα DNA binding; IDA evidence for MF/CC (structure, EMSA, cofactor
        recruitment assays) is stronger than broad BP assertions unless direct targets
        are shown.
- term:
    id: GO:0032753
    label: positive regulation of interleukin-4 production
  evidence_type: IDA
  original_reference_id: PMID:18416830
  review:
    summary: Supported human T-cell cytokine/Th2 differentiation effects, but non-core
      relative to direct RARA receptor transcriptional regulation.
    action: KEEP_AS_NON_CORE
    reason: RAR-alpha engagement affects activated human T-cell cytokine programs, but
      these immune outputs are downstream and cell-context-specific.
    supported_by:
    - reference_id: PMID:18416830
      supporting_text: 'CONCLUSION: These results strongly support a role for RAR-alpha engagement
        in the regulation of genes and proteins involved with human T cell activation and
        type 2 cytokine production.'
    - reference_id: file:human/RARA/RARA-deep-research-falcon.md
      supporting_text: many transcriptomic or phenotypic outcomes in RA-treated cells
        reflect indirect downstream programs (e.g., differentiation cascades) rather
        than direct RARα DNA binding; IDA evidence for MF/CC (structure, EMSA, cofactor
        recruitment assays) is stronger than broad BP assertions unless direct targets
        are shown.
- term:
    id: GO:0032754
    label: positive regulation of interleukin-5 production
  evidence_type: IDA
  original_reference_id: PMID:18416830
  review:
    summary: Supported human T-cell cytokine/Th2 differentiation effects, but non-core
      relative to direct RARA receptor transcriptional regulation.
    action: KEEP_AS_NON_CORE
    reason: RAR-alpha engagement affects activated human T-cell cytokine programs, but
      these immune outputs are downstream and cell-context-specific.
    supported_by:
    - reference_id: PMID:18416830
      supporting_text: 'CONCLUSION: These results strongly support a role for RAR-alpha engagement
        in the regulation of genes and proteins involved with human T cell activation and
        type 2 cytokine production.'
    - reference_id: file:human/RARA/RARA-deep-research-falcon.md
      supporting_text: many transcriptomic or phenotypic outcomes in RA-treated cells
        reflect indirect downstream programs (e.g., differentiation cascades) rather
        than direct RARα DNA binding; IDA evidence for MF/CC (structure, EMSA, cofactor
        recruitment assays) is stronger than broad BP assertions unless direct targets
        are shown.
- term:
    id: GO:0045630
    label: positive regulation of T-helper 2 cell differentiation
  evidence_type: IDA
  original_reference_id: PMID:18416830
  review:
    summary: Supported human T-cell cytokine/Th2 differentiation effects, but non-core
      relative to direct RARA receptor transcriptional regulation.
    action: KEEP_AS_NON_CORE
    reason: RAR-alpha engagement affects activated human T-cell cytokine programs, but
      these immune outputs are downstream and cell-context-specific.
    supported_by:
    - reference_id: PMID:18416830
      supporting_text: 'CONCLUSION: These results strongly support a role for RAR-alpha engagement
        in the regulation of genes and proteins involved with human T cell activation and
        type 2 cytokine production.'
    - reference_id: file:human/RARA/RARA-deep-research-falcon.md
      supporting_text: many transcriptomic or phenotypic outcomes in RA-treated cells
        reflect indirect downstream programs (e.g., differentiation cascades) rather
        than direct RARα DNA binding; IDA evidence for MF/CC (structure, EMSA, cofactor
        recruitment assays) is stronger than broad BP assertions unless direct targets
        are shown.
- term:
    id: GO:0032526
    label: response to retinoic acid
  evidence_type: IMP
  original_reference_id: PMID:17538076
  review:
    summary: Supported retinoid/vitamin A response annotation, but broader than the
      direct RARA receptor signaling pathway.
    action: KEEP_AS_NON_CORE
    reason: RARA is a direct mediator of retinoic acid signaling. General cellular
      response terms are valid but less precise than retinoic acid receptor signaling
      and transcriptional regulation.
    supported_by:
    - reference_id: file:human/RARA/RARA-deep-research-falcon.md
      supporting_text: '**RARA encodes RARα**, a ligand-activated nuclear receptor that functions
        as a **sequence-specific DNA-binding transcription factor**. RARα typically acts as
        a heterodimer with retinoid X receptor (RXR) on **retinoic acid response elements
        (RAREs)**, classically composed of **direct repeats of the hexamer PuG(G/T)TCA** spaced
        by 1–5 bp (e.g., DR5, DR2, DR1).'
    - reference_id: file:human/RARA/RARA-deep-research-falcon.md
      supporting_text: RARα is a core effector of retinoic acid signaling, transducing
        ligand binding into activation or repression of RA-responsive transcriptional
        programs.
- term:
    id: GO:0048384
    label: retinoic acid receptor signaling pathway
  evidence_type: IMP
  original_reference_id: PMID:17538076
  review:
    summary: 'Core biological process: RARA mediates retinoic acid receptor signaling through
      ligand-dependent transcriptional regulation.'
    action: ACCEPT
    reason: Retinoic acid receptor signaling is the direct pathway in which RARA
      transduces retinoid ligand binding into RARE-bound transcriptional regulation.
    supported_by:
    - reference_id: file:human/RARA/RARA-deep-research-falcon.md
      supporting_text: '**RARA encodes RARα**, a ligand-activated nuclear receptor that functions
        as a **sequence-specific DNA-binding transcription factor**. RARα typically acts as
        a heterodimer with retinoid X receptor (RXR) on **retinoic acid response elements
        (RAREs)**, classically composed of **direct repeats of the hexamer PuG(G/T)TCA** spaced
        by 1–5 bp (e.g., DR5, DR2, DR1).'
    - reference_id: file:human/RARA/RARA-deep-research-falcon.md
      supporting_text: RARα is a core effector of retinoic acid signaling, transducing
        ligand binding into activation or repression of RA-responsive transcriptional
        programs.
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  findings: []
- id: PMID:25303530
  title: Enhancer activation requires trans-recruitment of a mega transcription factor
    complex.
  findings: []
- id: PMID:25416956
  title: A proteome-scale map of the human interactome network.
  findings: []
- id: PMID:26871637
  title: Widespread Expansion of Protein Interaction Capabilities by Alternative
    Splicing.
  findings: []
- id: PMID:28122350
  title: Transcriptional suppression of microRNA-27a contributes to laryngeal cancer
    differentiation via GSK-3β-involved Wnt/β-catenin pathway.
  findings: []
- id: PMID:2825025
  title: A human retinoic acid receptor which belongs to the family of nuclear
    receptors.
  findings: []
- id: PMID:28473536
  title: Impact of cytosine methylation on DNA binding specificities of human
    transcription factors.
  findings: []
- id: PMID:29892012
  title: An interactome perturbation framework prioritizes damaging missense mutations
    for developmental disorders.
  findings: []
- id: PMID:31515488
  title: Extensive disruption of protein interactions by genetic variants across the
    allele frequency spectrum in human populations.
  findings: []
- id: PMID:32296183
  title: A reference map of the human binary protein interactome.
  findings: []
- id: PMID:35512704
  title: Systematic discovery of mutation-directed neo-protein-protein interactions in
    cancer.
  findings: []
- id: PMID:9430642
  title: The coactivator TIF2 contains three nuclear receptor-binding motifs and
    mediates transactivation through CBP binding-dependent and -independent pathways.
  findings: []
- id: PMID:9628876
  title: Two distinct nuclear receptor interaction domains in NSD1, a novel SET protein
    that exhibits characteristics of both corepressors and coactivators.
  findings: []
- id: PMID:9653119
  title: The TRAP220 component of a thyroid hormone receptor- associated protein (TRAP)
    coactivator complex interacts directly with nuclear receptors in a ligand-dependent
    fashion.
  findings: []
- id: Reactome:R-HSA-376419
  title: Formation of NR-MED1 Coactivator Complex
  findings: []
- id: Reactome:R-HSA-382096
  title: Formation of NR-NCOR Corepressor Complex
  findings: []
- id: Reactome:R-HSA-4341072
  title: SUMOylation of RARA with SUMO2
  findings: []
- id: Reactome:R-HSA-5334854
  title: RAR:RXR binds SUMO-CRABP2:atRA
  findings: []
- id: Reactome:R-HSA-5634103
  title: SUMO-CRABP2 dissociates from atRA:RAR:RXR
  findings: []
- id: Reactome:R-HSA-9009817
  title: Acitretin binds to RAR:RXR
  findings: []
- id: Reactome:R-HSA-9617067
  title: All-trans retinoic acid binds RARA:RXRA at the promoter of the CEBPE gene
  findings: []
- id: Reactome:R-HSA-9860125
  title: Binding of ATRA to TGFBR3 gene promoter
  findings: []
- id: file:human/RARA/RARA-deep-research-falcon.md
  title: Falcon deep research report on RARA
  findings: []
- id: file:human/RARA/RARA-uniprot.txt
  title: UniProtKB record for RARA
  findings: []
core_functions:
- molecular_function:
    id: GO:0004879
    label: nuclear receptor activity
  description: RARA/RARalpha is a retinoic-acid-binding nuclear receptor transcription
    factor that heterodimerizes with RXR, binds RAREs in chromatin, and regulates RNA
    polymerase II transcription by ligand-dependent exchange of corepressor and
    coactivator complexes.
  directly_involved_in:
  - id: GO:0048384
    label: retinoic acid receptor signaling pathway
  - id: GO:0045944
    label: positive regulation of transcription by RNA polymerase II
  - id: GO:0000122
    label: negative regulation of transcription by RNA polymerase II
  locations:
  - id: GO:0005634
    label: nucleus
  - id: GO:0000785
    label: chromatin
  in_complex:
    id: GO:0090575
    label: RNA polymerase II transcription regulator complex
  supported_by:
  - reference_id: file:human/RARA/RARA-deep-research-falcon.md
    supporting_text: '**RARA encodes RARα**, a ligand-activated nuclear receptor that functions
      as a **sequence-specific DNA-binding transcription factor**. RARα typically acts as
      a heterodimer with retinoid X receptor (RXR) on **retinoic acid response elements (RAREs)**,
      classically composed of **direct repeats of the hexamer PuG(G/T)TCA** spaced by 1–5
      bp (e.g., DR5, DR2, DR1).'
  - reference_id: file:human/RARA/RARA-deep-research-falcon.md
    supporting_text: 'RARα supports a canonical nuclear-receptor **cofactor “switch” mechanism**:
      in the **absence of ligand**, RARα/RXR bound on DNA recruits **corepressors** such as
      **NCoR/SMRT** that are associated with histone deacetylase (HDAC) activity and transcriptional
      repression; upon **retinoid agonist binding**, ligand-induced conformational changes
      (notably involving AF-2/helix 12 in the ligand-binding domain) destabilize corepressor
      binding and favor recruitment of **coactivators** (e.g., p160/SRC family, CBP/p300,
      Mediator/DRIP/TRAP components), enabling transcriptional activation of retinoid-responsive
      genes.'
  - reference_id: file:human/RARA/RARA-deep-research-falcon.md
    supporting_text: RARα binds RAREs primarily as an RXR heterodimer. Structural and
      biochemical evidence includes a **1.7 Å** crystal structure of RXR and RAR
      DNA-binding domains (DBDs) assembled on a **DR1** element that shows **RAR bound
      to the upstream (5′) half-site and RXR bound downstream (3′)**, i.e., **reverse
      polarity** compared with other RXR heterodimers.
  - reference_id: file:human/RARA/RARA-deep-research-falcon.md
    supporting_text: RARα is primarily described as **nuclear** and
      **chromatin-associated** through binding to promoter/enhancer RAREs; nucleosomes
      do not necessarily preclude binding.
  - reference_id: file:human/RARA/RARA-uniprot.txt
    supporting_text: ComplexPortal; CPX-508; RXRalpha-RARalpha retinoic acid receptor
      complex.
proposed_new_terms: []
suggested_questions:
- question: Which RARA developmental and immune-response GO annotations are supported by
    direct RARalpha target-gene evidence rather than indirect retinoic-acid
    differentiation cascades?
- question: Should fusion-specific PML::RARA chromatin and differentiation-block
    phenotypes be represented separately from wild-type RARA annotations to prevent
    over-transfer to the normal receptor?
suggested_experiments:
- description: Perform RARA perturbation with rescue by DNA-binding- or
    ligand-binding-defective mutants in primary human retinoid-responsive cells,
    followed by RARA ChIP-seq and nascent RNA profiling to distinguish direct
    transcriptional targets from downstream differentiation effects.
  experiment_type: genetic rescue plus ChIP-seq/nascent transcriptomics
- description: Compare wild-type RARA and major RARA fusion proteins at matched RARE
    loci for corepressor/coactivator occupancy, ligand responsiveness, and
    transcriptional output to separate normal receptor biology from fusion-specific GO
    claims.
  experiment_type: chromatin occupancy and transcriptional reporter assay

Gene Description

Existing Annotations Review

Core Functions

RARA/RARalpha is a retinoic-acid-binding nuclear receptor transcription factor that heterodimerizes with RXR, binds RAREs in chromatin, and regulates RNA polymerase II transcription by ligand-dependent exchange of corepressor and coactivator complexes.

References

Suggested Questions for Experts

Suggested Experiments

Deep Research

Falcon

GO-focused research report: Human RARA (retinoic acid receptor alpha; UniProt P10276)

1) Key concepts and definitions (current understanding)

2) Core molecular function (GO molecular function focus)

2.1 Retinoid ligand binding and ligand potency

2.2 Sequence-specific DNA binding to RAREs and polarity dependence

2.3 RXR heterodimerization and allosteric coupling by DNA and ligand

3) Transcriptional regulation mechanism (GO: regulation of transcription by RNA polymerase II)

3.1 Unliganded repression (corepressor complexes)

3.2 Ligand-induced activation (coactivator recruitment)

4) Cellular locations (GO cellular component focus)

5) Major biological processes (GO biological process focus)

6) Recent developments (prioritizing 2023–2024)

6.1 Updated mechanistic view of PML::RARA transcriptional dysregulation (LLPS and BRD4)

6.2 HDAC3 as a mechanistic node in PML-RARα repression and degradation pathways

6.3 Updated pharmacology and concentration dependence of ATRA responses in APL

7) Current applications and real-world implementations (function-linked)

8) GO annotation caveats (critical for annotation review)

9) GO-relevant evidence summary table

10) Key cited sources (with URLs/DOIs and publication dates where available)

Citations

📚 Additional Documentation

Notes

RARA curation notes

2026-05-12 Falcon integration

📄 View Raw YAML