LIMD1 encodes a multi-domain LIM zinc-binding adaptor/scaffold protein that assembles regulatory complexes at adherens junctions, P-bodies, cytoplasmic HIF degradation machinery, and the nucleus. Its best-supported functions include mechanosensitive Hippo/LATS-YAP regulation, miRISC-mediated translational repression, PHD2-VHL-dependent HIF-alpha degradation, and pRB/E2F transcriptional corepression.
| GO Term | Evidence | Action | Reason |
|---|---|---|---|
| GO:0003714 transcription corepressor activity | IBA GO_REF:0000033 | ACCEPT | Summary: Transcription corepressor activity is supported by pRB/E2F repression and related corepressor interactions. Supporting Evidence: file:human/LIMD1/LIMD1-deep-research-falcon.md **Primary function:** LIMD1 binds **pRB** and represses **E2F-driven transcription**, coupling LIMD1 to cell-cycle control. |
| GO:0005912 adherens junction | IBA GO_REF:0000033 | ACCEPT | Summary: adherens junction localization is supported for LIMD1 scaffold function across junctional, cytoplasmic/P-body, and nuclear compartments. Supporting Evidence: file:human/LIMD1/LIMD1-deep-research-falcon.md **Primary function:** LIMD1 acts as a **mechanosensitive scaffold** controlling the **subcellular localization** (and functional availability) of **LATS1/2** kinases at adherens junctions, thereby influencing YAP/TAZ phosphorylation state and nuclear localization. file:human/LIMD1/LIMD1-deep-research-falcon.md **Localization:** LIMD1 colocalizes with GW182/TNRC6 and other miRISC components in **P-bodies**. file:human/LIMD1/LIMD1-uniprot.txt Cytoplasm. Nucleus. Cytoplasm, P-body. Cell junction, adherens junction. Cell junction, focal adhesion. |
| GO:0005634 nucleus | IBA GO_REF:0000033 | ACCEPT | Summary: nucleus localization is supported for LIMD1 scaffold function across junctional, cytoplasmic/P-body, and nuclear compartments. Supporting Evidence: file:human/LIMD1/LIMD1-deep-research-falcon.md **Primary function:** LIMD1 acts as a **mechanosensitive scaffold** controlling the **subcellular localization** (and functional availability) of **LATS1/2** kinases at adherens junctions, thereby influencing YAP/TAZ phosphorylation state and nuclear localization. file:human/LIMD1/LIMD1-deep-research-falcon.md **Localization:** LIMD1 colocalizes with GW182/TNRC6 and other miRISC components in **P-bodies**. file:human/LIMD1/LIMD1-uniprot.txt Cytoplasm. Nucleus. Cytoplasm, P-body. Cell junction, adherens junction. Cell junction, focal adhesion. |
| GO:0006355 regulation of DNA-templated transcription | IBA GO_REF:0000033 | MODIFY | Summary: Regulation of DNA-templated transcription is correct but too broad; LIMD1 evidence supports negative transcriptional regulation/corepression. Reason: Use the directionally specific transcriptional repression term. Proposed replacements: negative regulation of DNA-templated transcription Supporting Evidence: file:human/LIMD1/LIMD1-deep-research-falcon.md **Primary function:** LIMD1 binds **pRB** and represses **E2F-driven transcription**, coupling LIMD1 to cell-cycle control. |
| GO:0007010 cytoskeleton organization | IBA GO_REF:0000033 | KEEP AS NON CORE | Summary: Cytoskeleton organization is a broad downstream description; the mechanistic evidence is more specifically adherens-junction/F-actin tension sensing for Hippo signaling. Supporting Evidence: file:human/LIMD1/LIMD1-deep-research-falcon.md **Primary function:** LIMD1 acts as a **mechanosensitive scaffold** controlling the **subcellular localization** (and functional availability) of **LATS1/2** kinases at adherens junctions, thereby influencing YAP/TAZ phosphorylation state and nuclear localization. |
| GO:0035331 negative regulation of hippo signaling | IBA GO_REF:0000033 | ACCEPT | Summary: Negative regulation of Hippo signaling is supported by LIMD1-mediated LATS1/2 recruitment/localization at adherens junctions and consequent YAP/TAZ regulation. Supporting Evidence: file:human/LIMD1/LIMD1-deep-research-falcon.md **Primary function:** LIMD1 acts as a **mechanosensitive scaffold** controlling the **subcellular localization** (and functional availability) of **LATS1/2** kinases at adherens junctions, thereby influencing YAP/TAZ phosphorylation state and nuclear localization. |
| GO:0000932 P-body | IBA GO_REF:0000033 | ACCEPT | Summary: P-body localization is supported for LIMD1 scaffold function across junctional, cytoplasmic/P-body, and nuclear compartments. Supporting Evidence: file:human/LIMD1/LIMD1-deep-research-falcon.md **Primary function:** LIMD1 acts as a **mechanosensitive scaffold** controlling the **subcellular localization** (and functional availability) of **LATS1/2** kinases at adherens junctions, thereby influencing YAP/TAZ phosphorylation state and nuclear localization. file:human/LIMD1/LIMD1-deep-research-falcon.md **Localization:** LIMD1 colocalizes with GW182/TNRC6 and other miRISC components in **P-bodies**. file:human/LIMD1/LIMD1-uniprot.txt Cytoplasm. Nucleus. Cytoplasm, P-body. Cell junction, adherens junction. Cell junction, focal adhesion. |
| GO:0001666 response to hypoxia | IBA GO_REF:0000033 | ACCEPT | Summary: Response to hypoxia is supported by LIMD1 induction and by LIMD1 scaffolding of PHD2/VHL complexes for HIF-alpha degradation. Supporting Evidence: file:human/LIMD1/LIMD1-deep-research-falcon.md **Primary function:** LIMD1 acts as a scaffold for the oxygen-sensing degradation machinery by bridging **PHD2** and **VHL** to promote efficient **HIFβΞ± degradation**, and is itself **HIF-1 inducible**, creating a negative-feedback loop limiting pro-tumorigenic hypoxia signaling. |
| GO:0005667 transcription regulator complex | IBA GO_REF:0000033 | KEEP AS NON CORE | Summary: Transcription regulator complex is retained as a non-core complex context for pRB/E2F and SNAI-associated repression, but the more informative annotation is transcription corepressor activity. Supporting Evidence: file:human/LIMD1/LIMD1-deep-research-falcon.md **Primary function:** LIMD1 binds **pRB** and represses **E2F-driven transcription**, coupling LIMD1 to cell-cycle control. |
| GO:0000932 P-body | IEA GO_REF:0000120 | ACCEPT | Summary: P-body localization is supported for LIMD1 scaffold function across junctional, cytoplasmic/P-body, and nuclear compartments. Supporting Evidence: file:human/LIMD1/LIMD1-deep-research-falcon.md **Primary function:** LIMD1 acts as a **mechanosensitive scaffold** controlling the **subcellular localization** (and functional availability) of **LATS1/2** kinases at adherens junctions, thereby influencing YAP/TAZ phosphorylation state and nuclear localization. file:human/LIMD1/LIMD1-deep-research-falcon.md **Localization:** LIMD1 colocalizes with GW182/TNRC6 and other miRISC components in **P-bodies**. file:human/LIMD1/LIMD1-uniprot.txt Cytoplasm. Nucleus. Cytoplasm, P-body. Cell junction, adherens junction. Cell junction, focal adhesion. |
| GO:0001666 response to hypoxia | IEA GO_REF:0000117 | ACCEPT | Summary: Response to hypoxia is supported by LIMD1 induction and by LIMD1 scaffolding of PHD2/VHL complexes for HIF-alpha degradation. Supporting Evidence: file:human/LIMD1/LIMD1-deep-research-falcon.md **Primary function:** LIMD1 acts as a scaffold for the oxygen-sensing degradation machinery by bridging **PHD2** and **VHL** to promote efficient **HIFβΞ± degradation**, and is itself **HIF-1 inducible**, creating a negative-feedback loop limiting pro-tumorigenic hypoxia signaling. |
| GO:0005634 nucleus | IEA GO_REF:0000044 | ACCEPT | Summary: nucleus localization is supported for LIMD1 scaffold function across junctional, cytoplasmic/P-body, and nuclear compartments. Supporting Evidence: file:human/LIMD1/LIMD1-deep-research-falcon.md **Primary function:** LIMD1 acts as a **mechanosensitive scaffold** controlling the **subcellular localization** (and functional availability) of **LATS1/2** kinases at adherens junctions, thereby influencing YAP/TAZ phosphorylation state and nuclear localization. file:human/LIMD1/LIMD1-deep-research-falcon.md **Localization:** LIMD1 colocalizes with GW182/TNRC6 and other miRISC components in **P-bodies**. file:human/LIMD1/LIMD1-uniprot.txt Cytoplasm. Nucleus. Cytoplasm, P-body. Cell junction, adherens junction. Cell junction, focal adhesion. |
| GO:0005737 cytoplasm | IEA GO_REF:0000120 | ACCEPT | Summary: cytoplasm localization is supported for LIMD1 scaffold function across junctional, cytoplasmic/P-body, and nuclear compartments. Supporting Evidence: file:human/LIMD1/LIMD1-deep-research-falcon.md **Primary function:** LIMD1 acts as a **mechanosensitive scaffold** controlling the **subcellular localization** (and functional availability) of **LATS1/2** kinases at adherens junctions, thereby influencing YAP/TAZ phosphorylation state and nuclear localization. file:human/LIMD1/LIMD1-deep-research-falcon.md **Localization:** LIMD1 colocalizes with GW182/TNRC6 and other miRISC components in **P-bodies**. file:human/LIMD1/LIMD1-uniprot.txt Cytoplasm. Nucleus. Cytoplasm, P-body. Cell junction, adherens junction. Cell junction, focal adhesion. |
| GO:0005912 adherens junction | IEA GO_REF:0000044 | ACCEPT | Summary: adherens junction localization is supported for LIMD1 scaffold function across junctional, cytoplasmic/P-body, and nuclear compartments. Supporting Evidence: file:human/LIMD1/LIMD1-deep-research-falcon.md **Primary function:** LIMD1 acts as a **mechanosensitive scaffold** controlling the **subcellular localization** (and functional availability) of **LATS1/2** kinases at adherens junctions, thereby influencing YAP/TAZ phosphorylation state and nuclear localization. file:human/LIMD1/LIMD1-deep-research-falcon.md **Localization:** LIMD1 colocalizes with GW182/TNRC6 and other miRISC components in **P-bodies**. file:human/LIMD1/LIMD1-uniprot.txt Cytoplasm. Nucleus. Cytoplasm, P-body. Cell junction, adherens junction. Cell junction, focal adhesion. |
| GO:0005925 focal adhesion | IEA GO_REF:0000044 | KEEP AS NON CORE | Summary: Focal adhesion localization is supported by UniProt/subcellular evidence, but the strongest mechanistic Hippo evidence centers on adherens junctions under tension. Supporting Evidence: file:human/LIMD1/LIMD1-uniprot.txt Cytoplasm. Nucleus. Cytoplasm, P-body. Cell junction, adherens junction. Cell junction, focal adhesion. |
| GO:0031047 regulatory ncRNA-mediated gene silencing | IEA GO_REF:0000043 | MODIFY | Summary: Regulatory ncRNA-mediated gene silencing is supported but should be represented more specifically as miRNA-mediated post-transcriptional silencing. Reason: The evidence is specifically miRISC/miRNA-mediated silencing. Proposed replacements: miRNA-mediated post-transcriptional gene silencing Supporting Evidence: file:human/LIMD1/LIMD1-deep-research-falcon.md **Primary function:** LIMD1 is a **miRISC adaptor/scaffold** that promotes productive AGO-dependent silencing by coupling Argonaute to GW182/TNRC6 and downstream effector complexes, and by linking silencing to translation initiation control at the 5β² cap. |
| GO:0035278 miRNA-mediated gene silencing by inhibition of translation | IEA GO_REF:0000117 | ACCEPT | Summary: miRNA-mediated gene silencing by inhibition of translation is supported by LIMD1 function as a miRISC/P-body scaffold linking AGO proteins, GW182/TNRC6, DDX6, and cap-associated translation repression. Supporting Evidence: file:human/LIMD1/LIMD1-deep-research-falcon.md **Primary function:** LIMD1 is a **miRISC adaptor/scaffold** that promotes productive AGO-dependent silencing by coupling Argonaute to GW182/TNRC6 and downstream effector complexes, and by linking silencing to translation initiation control at the 5β² cap. file:human/LIMD1/LIMD1-deep-research-falcon.md **Localization:** LIMD1 colocalizes with GW182/TNRC6 and other miRISC components in **P-bodies**. |
| GO:0035331 negative regulation of hippo signaling | IEA GO_REF:0000117 | ACCEPT | Summary: Negative regulation of Hippo signaling is supported by LIMD1-mediated LATS1/2 recruitment/localization at adherens junctions and consequent YAP/TAZ regulation. Supporting Evidence: file:human/LIMD1/LIMD1-deep-research-falcon.md **Primary function:** LIMD1 acts as a **mechanosensitive scaffold** controlling the **subcellular localization** (and functional availability) of **LATS1/2** kinases at adherens junctions, thereby influencing YAP/TAZ phosphorylation state and nuclear localization. |
| GO:0046872 metal ion binding | IEA GO_REF:0000043 | MODIFY | Summary: The metal-binding evidence is specifically zinc binding by LIM domains, so this broad metal ion binding term should be replaced by zinc ion binding. Reason: LIM domains are zinc-binding modules; use the specific zinc ion binding term. Proposed replacements: zinc ion binding Supporting Evidence: file:human/LIMD1/LIMD1-deep-research-falcon.md **LIMD1 is a multi-domain adaptor/scaffold protein**, not an enzyme. Its biological roles derive from assembling protein complexes and controlling where/when those complexes formβparticularly at **cell junctions**, **P-bodies**, and in **oxygen-sensing (HIF) degradation complexes**. LIM domains are zinc-binding modules (~55β65 aa) that act as protein-interaction interfaces; LIMD1 contains **three tandem LIM domains** at its Cβterminus. |
| GO:0005515 protein binding | IPI PMID:22190034 Global landscape of HIV-human protein complexes. | MARK AS OVER ANNOTATED | Summary: Generic protein binding is over-broad for LIMD1. Specific adaptor/scaffold roles with AGO/TNRC6/DDX6, LATS1/2, PHD/VHL, and pRB are more informative. Reason: Avoid generic protein binding when specific complex/adaptor mechanisms are known. Supporting Evidence: PMID:22190034 Global landscape of HIV-human protein complexes. file:human/LIMD1/LIMD1-deep-research-falcon.md LIMD1 (Q9UGP4) is best understood as a **multi-compartment scaffold** that (i) couples **mechanical tension** at adherens junctions to **Hippo pathway kinase (LATS) localization**, (ii) enables efficient **miRNA-mediated translational repression** by scaffolding Argonaute and GW182/TNRC6 and engaging the cap complex, (iii) promotes **HIFβΞ± degradation** by scaffolding PHD2βVHL complexes and participating in a HIF-driven negative feedback loop, and (iv) exerts tumor suppressor functions via **pRB/E2F repression** and via maintaining homeostatic control over hypoxia and mechanotransduction outputs. |
| GO:0005515 protein binding | IPI PMID:28683311 Argonaute Utilization for miRNA Silencing Is Determined by P... | MARK AS OVER ANNOTATED | Summary: Generic protein binding is over-broad for LIMD1. Specific adaptor/scaffold roles with AGO/TNRC6/DDX6, LATS1/2, PHD/VHL, and pRB are more informative. Reason: Avoid generic protein binding when specific complex/adaptor mechanisms are known. Supporting Evidence: PMID:28683311 Argonaute Utilization for miRNA Silencing Is Determined by Phosphorylation-Dependent Recruitment of LIM-Domain-Containing Proteins. file:human/LIMD1/LIMD1-deep-research-falcon.md LIMD1 (Q9UGP4) is best understood as a **multi-compartment scaffold** that (i) couples **mechanical tension** at adherens junctions to **Hippo pathway kinase (LATS) localization**, (ii) enables efficient **miRNA-mediated translational repression** by scaffolding Argonaute and GW182/TNRC6 and engaging the cap complex, (iii) promotes **HIFβΞ± degradation** by scaffolding PHD2βVHL complexes and participating in a HIF-driven negative feedback loop, and (iv) exerts tumor suppressor functions via **pRB/E2F repression** and via maintaining homeostatic control over hypoxia and mechanotransduction outputs. |
| GO:0005515 protein binding | IPI PMID:33961781 Dual proteome-scale networks reveal cell-specific remodeling... | MARK AS OVER ANNOTATED | Summary: Generic protein binding is over-broad for LIMD1. Specific adaptor/scaffold roles with AGO/TNRC6/DDX6, LATS1/2, PHD/VHL, and pRB are more informative. Reason: Avoid generic protein binding when specific complex/adaptor mechanisms are known. Supporting Evidence: PMID:33961781 2021 May 6. Dual proteome-scale networks reveal cell-specific remodeling of the human interactome. file:human/LIMD1/LIMD1-deep-research-falcon.md LIMD1 (Q9UGP4) is best understood as a **multi-compartment scaffold** that (i) couples **mechanical tension** at adherens junctions to **Hippo pathway kinase (LATS) localization**, (ii) enables efficient **miRNA-mediated translational repression** by scaffolding Argonaute and GW182/TNRC6 and engaging the cap complex, (iii) promotes **HIFβΞ± degradation** by scaffolding PHD2βVHL complexes and participating in a HIF-driven negative feedback loop, and (iv) exerts tumor suppressor functions via **pRB/E2F repression** and via maintaining homeostatic control over hypoxia and mechanotransduction outputs. |
| GO:0002076 osteoblast development | IEA GO_REF:0000107 | KEEP AS NON CORE | Summary: osteoblast development is retained as a non-core osteoblast/Wnt-related role supported by UniProt-curated literature, but it is peripheral to the main LIMD1 scaffold functions synthesized here. Supporting Evidence: file:human/LIMD1/LIMD1-uniprot.txt Regulates osteoblast development, function, differentiation and stress osteoclastogenesis. Enhances the ability of TRAF6 to activate adapter protein complex 1 (AP-1) and negatively regulates the canonical Wnt receptor signaling pathway in osteoblasts. |
| GO:0003714 transcription corepressor activity | IEA GO_REF:0000107 | ACCEPT | Summary: Transcription corepressor activity is supported by pRB/E2F repression and related corepressor interactions. Supporting Evidence: file:human/LIMD1/LIMD1-deep-research-falcon.md **Primary function:** LIMD1 binds **pRB** and represses **E2F-driven transcription**, coupling LIMD1 to cell-cycle control. |
| GO:0045668 negative regulation of osteoblast differentiation | IEA GO_REF:0000107 | KEEP AS NON CORE | Summary: negative regulation of osteoblast differentiation is retained as a non-core osteoblast/Wnt-related role supported by UniProt-curated literature, but it is peripheral to the main LIMD1 scaffold functions synthesized here. Supporting Evidence: file:human/LIMD1/LIMD1-uniprot.txt Regulates osteoblast development, function, differentiation and stress osteoclastogenesis. Enhances the ability of TRAF6 to activate adapter protein complex 1 (AP-1) and negatively regulates the canonical Wnt receptor signaling pathway in osteoblasts. |
| GO:0090090 negative regulation of canonical Wnt signaling pathway | IEA GO_REF:0000107 | KEEP AS NON CORE | Summary: negative regulation of canonical Wnt signaling pathway is retained as a non-core osteoblast/Wnt-related role supported by UniProt-curated literature, but it is peripheral to the main LIMD1 scaffold functions synthesized here. Supporting Evidence: file:human/LIMD1/LIMD1-uniprot.txt Regulates osteoblast development, function, differentiation and stress osteoclastogenesis. Enhances the ability of TRAF6 to activate adapter protein complex 1 (AP-1) and negatively regulates the canonical Wnt receptor signaling pathway in osteoblasts. |
| GO:0005654 nucleoplasm | IDA GO_REF:0000052 | ACCEPT | Summary: nucleoplasm localization is supported for LIMD1 scaffold function across junctional, cytoplasmic/P-body, and nuclear compartments. Supporting Evidence: file:human/LIMD1/LIMD1-deep-research-falcon.md **Primary function:** LIMD1 acts as a **mechanosensitive scaffold** controlling the **subcellular localization** (and functional availability) of **LATS1/2** kinases at adherens junctions, thereby influencing YAP/TAZ phosphorylation state and nuclear localization. file:human/LIMD1/LIMD1-deep-research-falcon.md **Localization:** LIMD1 colocalizes with GW182/TNRC6 and other miRISC components in **P-bodies**. file:human/LIMD1/LIMD1-uniprot.txt Cytoplasm. Nucleus. Cytoplasm, P-body. Cell junction, adherens junction. Cell junction, focal adhesion. |
| GO:0005925 focal adhesion | IDA GO_REF:0000052 | KEEP AS NON CORE | Summary: Focal adhesion localization is supported by UniProt/subcellular evidence, but the strongest mechanistic Hippo evidence centers on adherens junctions under tension. Supporting Evidence: file:human/LIMD1/LIMD1-uniprot.txt Cytoplasm. Nucleus. Cytoplasm, P-body. Cell junction, adherens junction. Cell junction, focal adhesion. |
| GO:0035278 miRNA-mediated gene silencing by inhibition of translation | IMP PMID:20616046 LIM-domain proteins, LIMD1, Ajuba, and WTIP are required for... | ACCEPT | Summary: miRNA-mediated gene silencing by inhibition of translation is supported by LIMD1 function as a miRISC/P-body scaffold linking AGO proteins, GW182/TNRC6, DDX6, and cap-associated translation repression. Supporting Evidence: PMID:20616046 LIM-domain proteins, LIMD1, Ajuba, and WTIP are required for microRNA-mediated gene silencing. file:human/LIMD1/LIMD1-deep-research-falcon.md **Primary function:** LIMD1 is a **miRISC adaptor/scaffold** that promotes productive AGO-dependent silencing by coupling Argonaute to GW182/TNRC6 and downstream effector complexes, and by linking silencing to translation initiation control at the 5β² cap. file:human/LIMD1/LIMD1-deep-research-falcon.md **Localization:** LIMD1 colocalizes with GW182/TNRC6 and other miRISC components in **P-bodies**. |
| GO:0005829 cytosol | TAS Reactome:R-HSA-1234159 | ACCEPT | Summary: cytosol localization is supported for LIMD1 scaffold function across junctional, cytoplasmic/P-body, and nuclear compartments. Supporting Evidence: file:human/LIMD1/LIMD1-deep-research-falcon.md **Primary function:** LIMD1 acts as a **mechanosensitive scaffold** controlling the **subcellular localization** (and functional availability) of **LATS1/2** kinases at adherens junctions, thereby influencing YAP/TAZ phosphorylation state and nuclear localization. file:human/LIMD1/LIMD1-deep-research-falcon.md **Localization:** LIMD1 colocalizes with GW182/TNRC6 and other miRISC components in **P-bodies**. file:human/LIMD1/LIMD1-uniprot.txt Cytoplasm. Nucleus. Cytoplasm, P-body. Cell junction, adherens junction. Cell junction, focal adhesion. |
| GO:0005829 cytosol | TAS Reactome:R-HSA-1234163 | ACCEPT | Summary: cytosol localization is supported for LIMD1 scaffold function across junctional, cytoplasmic/P-body, and nuclear compartments. Supporting Evidence: file:human/LIMD1/LIMD1-deep-research-falcon.md **Primary function:** LIMD1 acts as a **mechanosensitive scaffold** controlling the **subcellular localization** (and functional availability) of **LATS1/2** kinases at adherens junctions, thereby influencing YAP/TAZ phosphorylation state and nuclear localization. file:human/LIMD1/LIMD1-deep-research-falcon.md **Localization:** LIMD1 colocalizes with GW182/TNRC6 and other miRISC components in **P-bodies**. file:human/LIMD1/LIMD1-uniprot.txt Cytoplasm. Nucleus. Cytoplasm, P-body. Cell junction, adherens junction. Cell junction, focal adhesion. |
| GO:0005829 cytosol | TAS Reactome:R-HSA-1234173 | ACCEPT | Summary: cytosol localization is supported for LIMD1 scaffold function across junctional, cytoplasmic/P-body, and nuclear compartments. Supporting Evidence: file:human/LIMD1/LIMD1-deep-research-falcon.md **Primary function:** LIMD1 acts as a **mechanosensitive scaffold** controlling the **subcellular localization** (and functional availability) of **LATS1/2** kinases at adherens junctions, thereby influencing YAP/TAZ phosphorylation state and nuclear localization. file:human/LIMD1/LIMD1-deep-research-falcon.md **Localization:** LIMD1 colocalizes with GW182/TNRC6 and other miRISC components in **P-bodies**. file:human/LIMD1/LIMD1-uniprot.txt Cytoplasm. Nucleus. Cytoplasm, P-body. Cell junction, adherens junction. Cell junction, focal adhesion. |
| GO:0005829 cytosol | TAS Reactome:R-HSA-1234177 | ACCEPT | Summary: cytosol localization is supported for LIMD1 scaffold function across junctional, cytoplasmic/P-body, and nuclear compartments. Supporting Evidence: file:human/LIMD1/LIMD1-deep-research-falcon.md **Primary function:** LIMD1 acts as a **mechanosensitive scaffold** controlling the **subcellular localization** (and functional availability) of **LATS1/2** kinases at adherens junctions, thereby influencing YAP/TAZ phosphorylation state and nuclear localization. file:human/LIMD1/LIMD1-deep-research-falcon.md **Localization:** LIMD1 colocalizes with GW182/TNRC6 and other miRISC components in **P-bodies**. file:human/LIMD1/LIMD1-uniprot.txt Cytoplasm. Nucleus. Cytoplasm, P-body. Cell junction, adherens junction. Cell junction, focal adhesion. |
| GO:0005829 cytosol | TAS Reactome:R-HSA-1234183 | ACCEPT | Summary: cytosol localization is supported for LIMD1 scaffold function across junctional, cytoplasmic/P-body, and nuclear compartments. Supporting Evidence: file:human/LIMD1/LIMD1-deep-research-falcon.md **Primary function:** LIMD1 acts as a **mechanosensitive scaffold** controlling the **subcellular localization** (and functional availability) of **LATS1/2** kinases at adherens junctions, thereby influencing YAP/TAZ phosphorylation state and nuclear localization. file:human/LIMD1/LIMD1-deep-research-falcon.md **Localization:** LIMD1 colocalizes with GW182/TNRC6 and other miRISC components in **P-bodies**. file:human/LIMD1/LIMD1-uniprot.txt Cytoplasm. Nucleus. Cytoplasm, P-body. Cell junction, adherens junction. Cell junction, focal adhesion. |
| GO:0003714 transcription corepressor activity | ISS GO_REF:0000024 | ACCEPT | Summary: Transcription corepressor activity is supported by pRB/E2F repression and related corepressor interactions. Supporting Evidence: file:human/LIMD1/LIMD1-deep-research-falcon.md **Primary function:** LIMD1 binds **pRB** and represses **E2F-driven transcription**, coupling LIMD1 to cell-cycle control. |
| GO:0002076 osteoblast development | ISS GO_REF:0000024 | KEEP AS NON CORE | Summary: osteoblast development is retained as a non-core osteoblast/Wnt-related role supported by UniProt-curated literature, but it is peripheral to the main LIMD1 scaffold functions synthesized here. Supporting Evidence: file:human/LIMD1/LIMD1-uniprot.txt Regulates osteoblast development, function, differentiation and stress osteoclastogenesis. Enhances the ability of TRAF6 to activate adapter protein complex 1 (AP-1) and negatively regulates the canonical Wnt receptor signaling pathway in osteoblasts. |
| GO:0045668 negative regulation of osteoblast differentiation | ISS GO_REF:0000024 | KEEP AS NON CORE | Summary: negative regulation of osteoblast differentiation is retained as a non-core osteoblast/Wnt-related role supported by UniProt-curated literature, but it is peripheral to the main LIMD1 scaffold functions synthesized here. Supporting Evidence: file:human/LIMD1/LIMD1-uniprot.txt Regulates osteoblast development, function, differentiation and stress osteoclastogenesis. Enhances the ability of TRAF6 to activate adapter protein complex 1 (AP-1) and negatively regulates the canonical Wnt receptor signaling pathway in osteoblasts. |
| GO:0090090 negative regulation of canonical Wnt signaling pathway | ISS GO_REF:0000024 | KEEP AS NON CORE | Summary: negative regulation of canonical Wnt signaling pathway is retained as a non-core osteoblast/Wnt-related role supported by UniProt-curated literature, but it is peripheral to the main LIMD1 scaffold functions synthesized here. Supporting Evidence: file:human/LIMD1/LIMD1-uniprot.txt Regulates osteoblast development, function, differentiation and stress osteoclastogenesis. Enhances the ability of TRAF6 to activate adapter protein complex 1 (AP-1) and negatively regulates the canonical Wnt receptor signaling pathway in osteoblasts. |
| GO:0001666 response to hypoxia | IDA PMID:22286099 The LIMD1 protein bridges an association between the prolyl ... | ACCEPT | Summary: Response to hypoxia is supported by LIMD1 induction and by LIMD1 scaffolding of PHD2/VHL complexes for HIF-alpha degradation. Supporting Evidence: PMID:22286099 The LIMD1 protein bridges an association between the prolyl hydroxylases and VHL to repress HIF-1 activity. file:human/LIMD1/LIMD1-deep-research-falcon.md **Primary function:** LIMD1 acts as a scaffold for the oxygen-sensing degradation machinery by bridging **PHD2** and **VHL** to promote efficient **HIFβΞ± degradation**, and is itself **HIF-1 inducible**, creating a negative-feedback loop limiting pro-tumorigenic hypoxia signaling. |
| GO:0005515 protein binding | IPI PMID:18331720 Ajuba LIM proteins are snail/slug corepressors required for ... | MARK AS OVER ANNOTATED | Summary: Generic protein binding is over-broad for LIMD1. Specific adaptor/scaffold roles with AGO/TNRC6/DDX6, LATS1/2, PHD/VHL, and pRB are more informative. Reason: Avoid generic protein binding when specific complex/adaptor mechanisms are known. Supporting Evidence: PMID:18331720 Ajuba LIM proteins are snail/slug corepressors required for neural crest development in Xenopus. file:human/LIMD1/LIMD1-deep-research-falcon.md LIMD1 (Q9UGP4) is best understood as a **multi-compartment scaffold** that (i) couples **mechanical tension** at adherens junctions to **Hippo pathway kinase (LATS) localization**, (ii) enables efficient **miRNA-mediated translational repression** by scaffolding Argonaute and GW182/TNRC6 and engaging the cap complex, (iii) promotes **HIFβΞ± degradation** by scaffolding PHD2βVHL complexes and participating in a HIF-driven negative feedback loop, and (iv) exerts tumor suppressor functions via **pRB/E2F repression** and via maintaining homeostatic control over hypoxia and mechanotransduction outputs. |
| GO:0005515 protein binding | IPI PMID:20616046 LIM-domain proteins, LIMD1, Ajuba, and WTIP are required for... | MARK AS OVER ANNOTATED | Summary: Generic protein binding is over-broad for LIMD1. Specific adaptor/scaffold roles with AGO/TNRC6/DDX6, LATS1/2, PHD/VHL, and pRB are more informative. Reason: Avoid generic protein binding when specific complex/adaptor mechanisms are known. Supporting Evidence: PMID:20616046 LIM-domain proteins, LIMD1, Ajuba, and WTIP are required for microRNA-mediated gene silencing. file:human/LIMD1/LIMD1-deep-research-falcon.md LIMD1 (Q9UGP4) is best understood as a **multi-compartment scaffold** that (i) couples **mechanical tension** at adherens junctions to **Hippo pathway kinase (LATS) localization**, (ii) enables efficient **miRNA-mediated translational repression** by scaffolding Argonaute and GW182/TNRC6 and engaging the cap complex, (iii) promotes **HIFβΞ± degradation** by scaffolding PHD2βVHL complexes and participating in a HIF-driven negative feedback loop, and (iv) exerts tumor suppressor functions via **pRB/E2F repression** and via maintaining homeostatic control over hypoxia and mechanotransduction outputs. |
| GO:0005515 protein binding | IPI PMID:22286099 The LIMD1 protein bridges an association between the prolyl ... | MARK AS OVER ANNOTATED | Summary: Generic protein binding is over-broad for LIMD1. Specific adaptor/scaffold roles with AGO/TNRC6/DDX6, LATS1/2, PHD/VHL, and pRB are more informative. Reason: Avoid generic protein binding when specific complex/adaptor mechanisms are known. Supporting Evidence: PMID:22286099 The LIMD1 protein bridges an association between the prolyl hydroxylases and VHL to repress HIF-1 activity. file:human/LIMD1/LIMD1-deep-research-falcon.md LIMD1 (Q9UGP4) is best understood as a **multi-compartment scaffold** that (i) couples **mechanical tension** at adherens junctions to **Hippo pathway kinase (LATS) localization**, (ii) enables efficient **miRNA-mediated translational repression** by scaffolding Argonaute and GW182/TNRC6 and engaging the cap complex, (iii) promotes **HIFβΞ± degradation** by scaffolding PHD2βVHL complexes and participating in a HIF-driven negative feedback loop, and (iv) exerts tumor suppressor functions via **pRB/E2F repression** and via maintaining homeostatic control over hypoxia and mechanotransduction outputs. |
| GO:0045892 negative regulation of DNA-templated transcription | IMP PMID:22286099 The LIMD1 protein bridges an association between the prolyl ... | ACCEPT | Summary: Negative regulation of DNA-templated transcription is supported by both pRB/E2F repression and HIF pathway repression through enhanced HIF-alpha degradation. Supporting Evidence: PMID:22286099 The LIMD1 protein bridges an association between the prolyl hydroxylases and VHL to repress HIF-1 activity. file:human/LIMD1/LIMD1-deep-research-falcon.md **Primary function:** LIMD1 binds **pRB** and represses **E2F-driven transcription**, coupling LIMD1 to cell-cycle control. file:human/LIMD1/LIMD1-deep-research-falcon.md **Primary function:** LIMD1 acts as a scaffold for the oxygen-sensing degradation machinery by bridging **PHD2** and **VHL** to promote efficient **HIFβΞ± degradation**, and is itself **HIF-1 inducible**, creating a negative-feedback loop limiting pro-tumorigenic hypoxia signaling. |
| GO:0005515 protein binding | IPI PMID:20303269 Ajuba LIM proteins are negative regulators of the Hippo sign... | MARK AS OVER ANNOTATED | Summary: Generic protein binding is over-broad for LIMD1. Specific adaptor/scaffold roles with AGO/TNRC6/DDX6, LATS1/2, PHD/VHL, and pRB are more informative. Reason: Avoid generic protein binding when specific complex/adaptor mechanisms are known. Supporting Evidence: PMID:20303269 Mar 18. Ajuba LIM proteins are negative regulators of the Hippo signaling pathway. file:human/LIMD1/LIMD1-deep-research-falcon.md LIMD1 (Q9UGP4) is best understood as a **multi-compartment scaffold** that (i) couples **mechanical tension** at adherens junctions to **Hippo pathway kinase (LATS) localization**, (ii) enables efficient **miRNA-mediated translational repression** by scaffolding Argonaute and GW182/TNRC6 and engaging the cap complex, (iii) promotes **HIFβΞ± degradation** by scaffolding PHD2βVHL complexes and participating in a HIF-driven negative feedback loop, and (iv) exerts tumor suppressor functions via **pRB/E2F repression** and via maintaining homeostatic control over hypoxia and mechanotransduction outputs. |
| GO:0005634 nucleus | IDA PMID:18439753 Cell cycle regulated phosphorylation of LIMD1 in cell lines ... | ACCEPT | Summary: nucleus localization is supported for LIMD1 scaffold function across junctional, cytoplasmic/P-body, and nuclear compartments. Supporting Evidence: PMID:18439753 2008 Apr 24. Cell cycle regulated phosphorylation of LIMD1 in cell lines and expression in human breast cancers. file:human/LIMD1/LIMD1-deep-research-falcon.md **Primary function:** LIMD1 acts as a **mechanosensitive scaffold** controlling the **subcellular localization** (and functional availability) of **LATS1/2** kinases at adherens junctions, thereby influencing YAP/TAZ phosphorylation state and nuclear localization. file:human/LIMD1/LIMD1-deep-research-falcon.md **Localization:** LIMD1 colocalizes with GW182/TNRC6 and other miRISC components in **P-bodies**. file:human/LIMD1/LIMD1-uniprot.txt Cytoplasm. Nucleus. Cytoplasm, P-body. Cell junction, adherens junction. Cell junction, focal adhesion. |
| GO:0005737 cytoplasm | IDA PMID:18439753 Cell cycle regulated phosphorylation of LIMD1 in cell lines ... | ACCEPT | Summary: cytoplasm localization is supported for LIMD1 scaffold function across junctional, cytoplasmic/P-body, and nuclear compartments. Supporting Evidence: PMID:18439753 2008 Apr 24. Cell cycle regulated phosphorylation of LIMD1 in cell lines and expression in human breast cancers. file:human/LIMD1/LIMD1-deep-research-falcon.md **Primary function:** LIMD1 acts as a **mechanosensitive scaffold** controlling the **subcellular localization** (and functional availability) of **LATS1/2** kinases at adherens junctions, thereby influencing YAP/TAZ phosphorylation state and nuclear localization. file:human/LIMD1/LIMD1-deep-research-falcon.md **Localization:** LIMD1 colocalizes with GW182/TNRC6 and other miRISC components in **P-bodies**. file:human/LIMD1/LIMD1-uniprot.txt Cytoplasm. Nucleus. Cytoplasm, P-body. Cell junction, adherens junction. Cell junction, focal adhesion. |
| GO:0005912 adherens junction | IDA PMID:20303269 Ajuba LIM proteins are negative regulators of the Hippo sign... | ACCEPT | Summary: adherens junction localization is supported for LIMD1 scaffold function across junctional, cytoplasmic/P-body, and nuclear compartments. Supporting Evidence: PMID:20303269 Mar 18. Ajuba LIM proteins are negative regulators of the Hippo signaling pathway. file:human/LIMD1/LIMD1-deep-research-falcon.md **Primary function:** LIMD1 acts as a **mechanosensitive scaffold** controlling the **subcellular localization** (and functional availability) of **LATS1/2** kinases at adherens junctions, thereby influencing YAP/TAZ phosphorylation state and nuclear localization. file:human/LIMD1/LIMD1-deep-research-falcon.md **Localization:** LIMD1 colocalizes with GW182/TNRC6 and other miRISC components in **P-bodies**. file:human/LIMD1/LIMD1-uniprot.txt Cytoplasm. Nucleus. Cytoplasm, P-body. Cell junction, adherens junction. Cell junction, focal adhesion. |
| GO:0005925 focal adhesion | IDA PMID:18439753 Cell cycle regulated phosphorylation of LIMD1 in cell lines ... | KEEP AS NON CORE | Summary: Focal adhesion localization is supported by UniProt/subcellular evidence, but the strongest mechanistic Hippo evidence centers on adherens junctions under tension. Supporting Evidence: PMID:18439753 2008 Apr 24. Cell cycle regulated phosphorylation of LIMD1 in cell lines and expression in human breast cancers. file:human/LIMD1/LIMD1-uniprot.txt Cytoplasm. Nucleus. Cytoplasm, P-body. Cell junction, adherens junction. Cell junction, focal adhesion. |
| GO:0016310 phosphorylation | IDA PMID:18439753 Cell cycle regulated phosphorylation of LIMD1 in cell lines ... | REMOVE | Summary: LIMD1 is a scaffold protein and not a kinase; the cited paper concerns phosphorylation of LIMD1 rather than LIMD1 catalyzing phosphorylation. Reason: Substrate-as-enzyme misannotation. Supporting Evidence: PMID:18439753 2008 Apr 24. Cell cycle regulated phosphorylation of LIMD1 in cell lines and expression in human breast cancers. |
| GO:0035331 negative regulation of hippo signaling | IDA PMID:20303269 Ajuba LIM proteins are negative regulators of the Hippo sign... | ACCEPT | Summary: Negative regulation of Hippo signaling is supported by LIMD1-mediated LATS1/2 recruitment/localization at adherens junctions and consequent YAP/TAZ regulation. Supporting Evidence: PMID:20303269 Mar 18. Ajuba LIM proteins are negative regulators of the Hippo signaling pathway. file:human/LIMD1/LIMD1-deep-research-falcon.md **Primary function:** LIMD1 acts as a **mechanosensitive scaffold** controlling the **subcellular localization** (and functional availability) of **LATS1/2** kinases at adherens junctions, thereby influencing YAP/TAZ phosphorylation state and nuclear localization. |
| GO:0000932 P-body | IDA PMID:20616046 LIM-domain proteins, LIMD1, Ajuba, and WTIP are required for... | ACCEPT | Summary: P-body localization is supported for LIMD1 scaffold function across junctional, cytoplasmic/P-body, and nuclear compartments. Supporting Evidence: PMID:20616046 LIM-domain proteins, LIMD1, Ajuba, and WTIP are required for microRNA-mediated gene silencing. file:human/LIMD1/LIMD1-deep-research-falcon.md **Primary function:** LIMD1 acts as a **mechanosensitive scaffold** controlling the **subcellular localization** (and functional availability) of **LATS1/2** kinases at adherens junctions, thereby influencing YAP/TAZ phosphorylation state and nuclear localization. file:human/LIMD1/LIMD1-deep-research-falcon.md **Localization:** LIMD1 colocalizes with GW182/TNRC6 and other miRISC components in **P-bodies**. file:human/LIMD1/LIMD1-uniprot.txt Cytoplasm. Nucleus. Cytoplasm, P-body. Cell junction, adherens junction. Cell junction, focal adhesion. |
| GO:0016442 RISC complex | IDA PMID:20616046 LIM-domain proteins, LIMD1, Ajuba, and WTIP are required for... | ACCEPT | Summary: RISC complex is supported by LIMD1 function as a miRISC/P-body scaffold linking AGO proteins, GW182/TNRC6, DDX6, and cap-associated translation repression. Supporting Evidence: PMID:20616046 LIM-domain proteins, LIMD1, Ajuba, and WTIP are required for microRNA-mediated gene silencing. file:human/LIMD1/LIMD1-deep-research-falcon.md **Primary function:** LIMD1 is a **miRISC adaptor/scaffold** that promotes productive AGO-dependent silencing by coupling Argonaute to GW182/TNRC6 and downstream effector complexes, and by linking silencing to translation initiation control at the 5β² cap. file:human/LIMD1/LIMD1-deep-research-falcon.md **Localization:** LIMD1 colocalizes with GW182/TNRC6 and other miRISC components in **P-bodies**. |
| GO:0033962 P-body assembly | IMP PMID:20616046 LIM-domain proteins, LIMD1, Ajuba, and WTIP are required for... | ACCEPT | Summary: P-body assembly is supported by LIMD1 function as a miRISC/P-body scaffold linking AGO proteins, GW182/TNRC6, DDX6, and cap-associated translation repression. Supporting Evidence: PMID:20616046 LIM-domain proteins, LIMD1, Ajuba, and WTIP are required for microRNA-mediated gene silencing. file:human/LIMD1/LIMD1-deep-research-falcon.md **Primary function:** LIMD1 is a **miRISC adaptor/scaffold** that promotes productive AGO-dependent silencing by coupling Argonaute to GW182/TNRC6 and downstream effector complexes, and by linking silencing to translation initiation control at the 5β² cap. file:human/LIMD1/LIMD1-deep-research-falcon.md **Localization:** LIMD1 colocalizes with GW182/TNRC6 and other miRISC components in **P-bodies**. |
| GO:0035195 miRNA-mediated post-transcriptional gene silencing | IMP PMID:20616046 LIM-domain proteins, LIMD1, Ajuba, and WTIP are required for... | ACCEPT | Summary: miRNA-mediated post-transcriptional gene silencing is supported by LIMD1 function as a miRISC/P-body scaffold linking AGO proteins, GW182/TNRC6, DDX6, and cap-associated translation repression. Supporting Evidence: PMID:20616046 LIM-domain proteins, LIMD1, Ajuba, and WTIP are required for microRNA-mediated gene silencing. file:human/LIMD1/LIMD1-deep-research-falcon.md **Primary function:** LIMD1 is a **miRISC adaptor/scaffold** that promotes productive AGO-dependent silencing by coupling Argonaute to GW182/TNRC6 and downstream effector complexes, and by linking silencing to translation initiation control at the 5β² cap. file:human/LIMD1/LIMD1-deep-research-falcon.md **Localization:** LIMD1 colocalizes with GW182/TNRC6 and other miRISC components in **P-bodies**. |
| GO:0005515 protein binding | IPI PMID:15542589 LIM domains-containing protein 1 (LIMD1), a tumor suppressor... | MARK AS OVER ANNOTATED | Summary: Generic protein binding is over-broad for LIMD1. Specific adaptor/scaffold roles with AGO/TNRC6/DDX6, LATS1/2, PHD/VHL, and pRB are more informative. Reason: Avoid generic protein binding when specific complex/adaptor mechanisms are known. Supporting Evidence: PMID:15542589 LIM domains-containing protein 1 (LIMD1), a tumor suppressor encoded at chromosome 3p21.3, binds pRB and represses E2F-driven transcription. file:human/LIMD1/LIMD1-deep-research-falcon.md LIMD1 (Q9UGP4) is best understood as a **multi-compartment scaffold** that (i) couples **mechanical tension** at adherens junctions to **Hippo pathway kinase (LATS) localization**, (ii) enables efficient **miRNA-mediated translational repression** by scaffolding Argonaute and GW182/TNRC6 and engaging the cap complex, (iii) promotes **HIFβΞ± degradation** by scaffolding PHD2βVHL complexes and participating in a HIF-driven negative feedback loop, and (iv) exerts tumor suppressor functions via **pRB/E2F repression** and via maintaining homeostatic control over hypoxia and mechanotransduction outputs. |
| GO:0005634 nucleus | IDA PMID:15542589 LIM domains-containing protein 1 (LIMD1), a tumor suppressor... | ACCEPT | Summary: nucleus localization is supported for LIMD1 scaffold function across junctional, cytoplasmic/P-body, and nuclear compartments. Supporting Evidence: PMID:15542589 LIM domains-containing protein 1 (LIMD1), a tumor suppressor encoded at chromosome 3p21.3, binds pRB and represses E2F-driven transcription. file:human/LIMD1/LIMD1-deep-research-falcon.md **Primary function:** LIMD1 acts as a **mechanosensitive scaffold** controlling the **subcellular localization** (and functional availability) of **LATS1/2** kinases at adherens junctions, thereby influencing YAP/TAZ phosphorylation state and nuclear localization. file:human/LIMD1/LIMD1-deep-research-falcon.md **Localization:** LIMD1 colocalizes with GW182/TNRC6 and other miRISC components in **P-bodies**. file:human/LIMD1/LIMD1-uniprot.txt Cytoplasm. Nucleus. Cytoplasm, P-body. Cell junction, adherens junction. Cell junction, focal adhesion. |
| GO:0005737 cytoplasm | IDA PMID:15542589 LIM domains-containing protein 1 (LIMD1), a tumor suppressor... | ACCEPT | Summary: cytoplasm localization is supported for LIMD1 scaffold function across junctional, cytoplasmic/P-body, and nuclear compartments. Supporting Evidence: PMID:15542589 LIM domains-containing protein 1 (LIMD1), a tumor suppressor encoded at chromosome 3p21.3, binds pRB and represses E2F-driven transcription. file:human/LIMD1/LIMD1-deep-research-falcon.md **Primary function:** LIMD1 acts as a **mechanosensitive scaffold** controlling the **subcellular localization** (and functional availability) of **LATS1/2** kinases at adherens junctions, thereby influencing YAP/TAZ phosphorylation state and nuclear localization. file:human/LIMD1/LIMD1-deep-research-falcon.md **Localization:** LIMD1 colocalizes with GW182/TNRC6 and other miRISC components in **P-bodies**. file:human/LIMD1/LIMD1-uniprot.txt Cytoplasm. Nucleus. Cytoplasm, P-body. Cell junction, adherens junction. Cell junction, focal adhesion. |
| GO:0045892 negative regulation of DNA-templated transcription | IDA PMID:15542589 LIM domains-containing protein 1 (LIMD1), a tumor suppressor... | ACCEPT | Summary: Negative regulation of DNA-templated transcription is supported by both pRB/E2F repression and HIF pathway repression through enhanced HIF-alpha degradation. Supporting Evidence: PMID:15542589 LIM domains-containing protein 1 (LIMD1), a tumor suppressor encoded at chromosome 3p21.3, binds pRB and represses E2F-driven transcription. file:human/LIMD1/LIMD1-deep-research-falcon.md **Primary function:** LIMD1 binds **pRB** and represses **E2F-driven transcription**, coupling LIMD1 to cell-cycle control. file:human/LIMD1/LIMD1-deep-research-falcon.md **Primary function:** LIMD1 acts as a scaffold for the oxygen-sensing degradation machinery by bridging **PHD2** and **VHL** to promote efficient **HIFβΞ± degradation**, and is itself **HIF-1 inducible**, creating a negative-feedback loop limiting pro-tumorigenic hypoxia signaling. |
| GO:0060090 molecular adaptor activity | IDA PMID:20616046 LIM-domain proteins, LIMD1, Ajuba, and WTIP are required for... | NEW | Summary: LIMD1 molecular adaptor activity is directly supported by PMID:20616046, which shows LIMD1/Ajuba/WTIP linking Ago1/2, eIF4E-cap complexes, and miRNA-mediated silencing machinery; this captures the broader scaffold/adaptor role synthesized across LIMD1 pathways. Reason: The existing GOA annotations capture downstream processes but lack the core molecular adaptor/scaffold activity demonstrated by primary mechanistic literature. Supporting Evidence: PMID:20616046 these LIM-domain proteins facilitate miRNA-mediated gene silencing by acting as an essential molecular link between the translationally inhibited eIF4E-m(7)GTP-5(')cap and Ago1/2 within the miRISC complex attached to the 3'-UTR of mRNA, creating an inhibitory closed-loop complex. file:human/LIMD1/LIMD1-deep-research-falcon.md **LIMD1 is a multi-domain adaptor/scaffold protein**, not an enzyme. Its biological roles derive from assembling protein complexes and controlling where/when those complexes formβparticularly at **cell junctions**, **P-bodies**, and in **oxygen-sensing (HIF) degradation complexes**. LIM domains are zinc-binding modules (~55β65 aa) that act as protein-interaction interfaces; LIMD1 contains **three tandem LIM domains** at its Cβterminus. |
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