AGO4

UniProt ID: Q9HCK5
Organism: Homo sapiens
Review Status: COMPLETE
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Gene Description

AGO4 encodes human Argonaute-4, a small-RNA-binding Argonaute paralog that contributes to RISC-mediated gene regulation primarily through non-slicing mechanisms. Evidence supports miRNA/RISC-associated translational repression, cytoplasmic miRISC/P-body-associated function, and a non-core mammalian antiviral role rather than canonical AGO2-like slicing.

Existing Annotations Review

GO Term Evidence Action Reason
GO:0005634 nucleus
IBA
GO_REF:0000033
KEEP AS NON CORE
Summary: nucleus is a plausible or reported location/context but is not the core functional site annotation for AGO4.
Reason: The core location is cytoplasmic RISC/RNP granules; nuclear, membrane, synaptic, exosomal, or other compartment annotations should remain non-core unless tied to a specific curated mechanism.
Supporting Evidence:
file:human/AGO4/AGO4-deep-research-falcon.md
Human AGO4 (EIF2C4; UniProt Q9HCK5) is best supported (in the retrieved literature set) as a **small-RNA-binding Argonaute paralog** that contributes to gene regulation largely through **non-slicing mechanisms**
GO:0005737 cytoplasm
IBA
GO_REF:0000033
ACCEPT
Summary: cytoplasm is consistent with AGO4 as a small-RNA-loaded Argonaute/RISC effector.
Reason: The falcon report supports AGO4 function in miRISC-mediated small-RNA-guided repression and related RISC complexes or cytoplasmic RNP compartments.
Supporting Evidence:
file:human/AGO4/AGO4-deep-research-falcon.md
Human AGO4 (EIF2C4; UniProt Q9HCK5) is best supported (in the retrieved literature set) as a **small-RNA-binding Argonaute paralog** that contributes to gene regulation largely through **non-slicing mechanisms**
GO:0004521 RNA endonuclease activity
IBA
GO_REF:0000033
REMOVE
Summary: RNA endonuclease activity is not supported as a physiological activity for AGO4.
Reason: AGO4 is best supported as a non-slicing Argonaute paralog; assigning RNA endonuclease activity would overstate AGO2-like catalytic function.
Supporting Evidence:
file:human/AGO4/AGO4-deep-research-falcon.md
Human AGO4 (EIF2C4; UniProt Q9HCK5) is best supported (in the retrieved literature set) as a **small-RNA-binding Argonaute paralog** that contributes to gene regulation largely through **non-slicing mechanisms**
GO:0035194 regulatory ncRNA-mediated post-transcriptional gene silencing
IBA
GO_REF:0000033
ACCEPT
Summary: regulatory ncRNA-mediated post-transcriptional gene silencing is consistent with AGO4 as a small-RNA-loaded Argonaute/RISC effector.
Reason: The falcon report supports AGO4 function in miRISC-mediated small-RNA-guided repression and related RISC complexes or cytoplasmic RNP compartments.
Supporting Evidence:
file:human/AGO4/AGO4-deep-research-falcon.md
Human AGO4 (EIF2C4; UniProt Q9HCK5) is best supported (in the retrieved literature set) as a **small-RNA-binding Argonaute paralog** that contributes to gene regulation largely through **non-slicing mechanisms**
GO:0016442 RISC complex
IBA
GO_REF:0000033
ACCEPT
Summary: RISC complex is consistent with AGO4 as a small-RNA-loaded Argonaute/RISC effector.
Reason: The falcon report supports AGO4 function in miRISC-mediated small-RNA-guided repression and related RISC complexes or cytoplasmic RNP compartments.
Supporting Evidence:
file:human/AGO4/AGO4-deep-research-falcon.md
Human AGO4 (EIF2C4; UniProt Q9HCK5) is best supported (in the retrieved literature set) as a **small-RNA-binding Argonaute paralog** that contributes to gene regulation largely through **non-slicing mechanisms**
GO:0036464 cytoplasmic ribonucleoprotein granule
IBA
GO_REF:0000033
ACCEPT
Summary: cytoplasmic ribonucleoprotein granule is consistent with AGO4 as a small-RNA-loaded Argonaute/RISC effector.
Reason: The falcon report supports AGO4 function in miRISC-mediated small-RNA-guided repression and related RISC complexes or cytoplasmic RNP compartments.
Supporting Evidence:
file:human/AGO4/AGO4-deep-research-falcon.md
Human AGO4 (EIF2C4; UniProt Q9HCK5) is best supported (in the retrieved literature set) as a **small-RNA-binding Argonaute paralog** that contributes to gene regulation largely through **non-slicing mechanisms**
GO:0031054 pre-miRNA processing
IBA
GO_REF:0000033
MARK AS OVER ANNOTATED
Summary: pre-miRNA processing overstates the direct role of AGO4 in canonical miRNA biogenesis.
Reason: The better-supported role is as a loaded Argonaute effector after small-RNA processing, not as the Drosha/Dicer processing enzyme for pre-miRNAs.
Supporting Evidence:
file:human/AGO4/AGO4-deep-research-falcon.md
Human AGO4 (EIF2C4; UniProt Q9HCK5) is best supported (in the retrieved literature set) as a **small-RNA-binding Argonaute paralog** that contributes to gene regulation largely through **non-slicing mechanisms**
GO:0035198 miRNA binding
IBA
GO_REF:0000033
ACCEPT
Summary: miRNA binding is consistent with AGO4 as a small-RNA-loaded Argonaute/RISC effector.
Reason: The falcon report supports AGO4 function in miRISC-mediated small-RNA-guided repression and related RISC complexes or cytoplasmic RNP compartments.
Supporting Evidence:
file:human/AGO4/AGO4-deep-research-falcon.md
Human AGO4 (EIF2C4; UniProt Q9HCK5) is best supported (in the retrieved literature set) as a **small-RNA-binding Argonaute paralog** that contributes to gene regulation largely through **non-slicing mechanisms**
GO:0003727 single-stranded RNA binding
IBA
GO_REF:0000033
MARK AS OVER ANNOTATED
Summary: single-stranded RNA binding is too generic for AGO4.
Reason: The informative molecular function is Argonaute small-RNA/miRNA binding within RISC rather than a broad nucleic-acid or RNA-binding label.
Supporting Evidence:
file:human/AGO4/AGO4-deep-research-falcon.md
Human AGO4 (EIF2C4; UniProt Q9HCK5) is best supported (in the retrieved literature set) as a **small-RNA-binding Argonaute paralog** that contributes to gene regulation largely through **non-slicing mechanisms**
IEA
GO_REF:0000120
ACCEPT
Summary: P-body is consistent with AGO4 as a small-RNA-loaded Argonaute/RISC effector.
Reason: The falcon report supports AGO4 function in miRISC-mediated small-RNA-guided repression and related RISC complexes or cytoplasmic RNP compartments.
Supporting Evidence:
file:human/AGO4/AGO4-deep-research-falcon.md
Human AGO4 (EIF2C4; UniProt Q9HCK5) is best supported (in the retrieved literature set) as a **small-RNA-binding Argonaute paralog** that contributes to gene regulation largely through **non-slicing mechanisms**
GO:0003676 nucleic acid binding
IEA
GO_REF:0000002
MARK AS OVER ANNOTATED
Summary: nucleic acid binding is too generic for AGO4.
Reason: The informative molecular function is Argonaute small-RNA/miRNA binding within RISC rather than a broad nucleic-acid or RNA-binding label.
Supporting Evidence:
file:human/AGO4/AGO4-deep-research-falcon.md
Human AGO4 (EIF2C4; UniProt Q9HCK5) is best supported (in the retrieved literature set) as a **small-RNA-binding Argonaute paralog** that contributes to gene regulation largely through **non-slicing mechanisms**
GO:0003723 RNA binding
IEA
GO_REF:0000120
MARK AS OVER ANNOTATED
Summary: RNA binding is too generic for AGO4.
Reason: The informative molecular function is Argonaute small-RNA/miRNA binding within RISC rather than a broad nucleic-acid or RNA-binding label.
Supporting Evidence:
file:human/AGO4/AGO4-deep-research-falcon.md
Human AGO4 (EIF2C4; UniProt Q9HCK5) is best supported (in the retrieved literature set) as a **small-RNA-binding Argonaute paralog** that contributes to gene regulation largely through **non-slicing mechanisms**
GO:0003725 double-stranded RNA binding
IEA
GO_REF:0000117
MARK AS OVER ANNOTATED
Summary: double-stranded RNA binding is too generic for AGO4.
Reason: The informative molecular function is Argonaute small-RNA/miRNA binding within RISC rather than a broad nucleic-acid or RNA-binding label.
Supporting Evidence:
file:human/AGO4/AGO4-deep-research-falcon.md
Human AGO4 (EIF2C4; UniProt Q9HCK5) is best supported (in the retrieved literature set) as a **small-RNA-binding Argonaute paralog** that contributes to gene regulation largely through **non-slicing mechanisms**
GO:0003727 single-stranded RNA binding
IEA
GO_REF:0000117
MARK AS OVER ANNOTATED
Summary: single-stranded RNA binding is too generic for AGO4.
Reason: The informative molecular function is Argonaute small-RNA/miRNA binding within RISC rather than a broad nucleic-acid or RNA-binding label.
Supporting Evidence:
file:human/AGO4/AGO4-deep-research-falcon.md
Human AGO4 (EIF2C4; UniProt Q9HCK5) is best supported (in the retrieved literature set) as a **small-RNA-binding Argonaute paralog** that contributes to gene regulation largely through **non-slicing mechanisms**
GO:0016442 RISC complex
IEA
GO_REF:0000120
ACCEPT
Summary: RISC complex is consistent with AGO4 as a small-RNA-loaded Argonaute/RISC effector.
Reason: The falcon report supports AGO4 function in miRISC-mediated small-RNA-guided repression and related RISC complexes or cytoplasmic RNP compartments.
Supporting Evidence:
file:human/AGO4/AGO4-deep-research-falcon.md
Human AGO4 (EIF2C4; UniProt Q9HCK5) is best supported (in the retrieved literature set) as a **small-RNA-binding Argonaute paralog** that contributes to gene regulation largely through **non-slicing mechanisms**
GO:0031054 pre-miRNA processing
IEA
GO_REF:0000117
MARK AS OVER ANNOTATED
Summary: pre-miRNA processing overstates the direct role of AGO4 in canonical miRNA biogenesis.
Reason: The better-supported role is as a loaded Argonaute effector after small-RNA processing, not as the Drosha/Dicer processing enzyme for pre-miRNAs.
Supporting Evidence:
file:human/AGO4/AGO4-deep-research-falcon.md
Human AGO4 (EIF2C4; UniProt Q9HCK5) is best supported (in the retrieved literature set) as a **small-RNA-binding Argonaute paralog** that contributes to gene regulation largely through **non-slicing mechanisms**
GO:0035198 miRNA binding
IEA
GO_REF:0000120
ACCEPT
Summary: miRNA binding is consistent with AGO4 as a small-RNA-loaded Argonaute/RISC effector.
Reason: The falcon report supports AGO4 function in miRISC-mediated small-RNA-guided repression and related RISC complexes or cytoplasmic RNP compartments.
Supporting Evidence:
file:human/AGO4/AGO4-deep-research-falcon.md
Human AGO4 (EIF2C4; UniProt Q9HCK5) is best supported (in the retrieved literature set) as a **small-RNA-binding Argonaute paralog** that contributes to gene regulation largely through **non-slicing mechanisms**
GO:0035278 miRNA-mediated gene silencing by inhibition of translation
IEA
GO_REF:0000120
ACCEPT
Summary: miRNA-mediated gene silencing by inhibition of translation is consistent with AGO4 as a small-RNA-loaded Argonaute/RISC effector.
Reason: The falcon report supports AGO4 function in miRISC-mediated small-RNA-guided repression and related RISC complexes or cytoplasmic RNP compartments.
Supporting Evidence:
file:human/AGO4/AGO4-deep-research-falcon.md
Human AGO4 (EIF2C4; UniProt Q9HCK5) is best supported (in the retrieved literature set) as a **small-RNA-binding Argonaute paralog** that contributes to gene regulation largely through **non-slicing mechanisms**
GO:0036464 cytoplasmic ribonucleoprotein granule
IEA
GO_REF:0000117
ACCEPT
Summary: cytoplasmic ribonucleoprotein granule is consistent with AGO4 as a small-RNA-loaded Argonaute/RISC effector.
Reason: The falcon report supports AGO4 function in miRISC-mediated small-RNA-guided repression and related RISC complexes or cytoplasmic RNP compartments.
Supporting Evidence:
file:human/AGO4/AGO4-deep-research-falcon.md
Human AGO4 (EIF2C4; UniProt Q9HCK5) is best supported (in the retrieved literature set) as a **small-RNA-binding Argonaute paralog** that contributes to gene regulation largely through **non-slicing mechanisms**
GO:0070578 RISC-loading complex
IEA
GO_REF:0000117
ACCEPT
Summary: RISC-loading complex is consistent with AGO4 as a small-RNA-loaded Argonaute/RISC effector.
Reason: The falcon report supports AGO4 function in miRISC-mediated small-RNA-guided repression and related RISC complexes or cytoplasmic RNP compartments.
Supporting Evidence:
file:human/AGO4/AGO4-deep-research-falcon.md
Human AGO4 (EIF2C4; UniProt Q9HCK5) is best supported (in the retrieved literature set) as a **small-RNA-binding Argonaute paralog** that contributes to gene regulation largely through **non-slicing mechanisms**
GO:0070922 RISC complex assembly
IEA
GO_REF:0000117
ACCEPT
Summary: RISC complex assembly is consistent with AGO4 as a small-RNA-loaded Argonaute/RISC effector.
Reason: The falcon report supports AGO4 function in miRISC-mediated small-RNA-guided repression and related RISC complexes or cytoplasmic RNP compartments.
Supporting Evidence:
file:human/AGO4/AGO4-deep-research-falcon.md
Human AGO4 (EIF2C4; UniProt Q9HCK5) is best supported (in the retrieved literature set) as a **small-RNA-binding Argonaute paralog** that contributes to gene regulation largely through **non-slicing mechanisms**
GO:0005515 protein binding
IPI
PMID:19167051
Importin 8 is a gene silencing factor that targets argonaute...
MARK AS OVER ANNOTATED
Summary: Generic protein binding does not capture the specific Argonaute/RISC function.
Reason: The cited interactions are best interpreted as RISC/cofactor context for small-RNA-guided silencing, not as a standalone core function.
Supporting Evidence:
file:human/AGO4/AGO4-deep-research-falcon.md
Human AGO4 (EIF2C4; UniProt Q9HCK5) is best supported (in the retrieved literature set) as a **small-RNA-binding Argonaute paralog** that contributes to gene regulation largely through **non-slicing mechanisms**
GO:0005515 protein binding
IPI
PMID:19324964
The C-terminal half of human Ago2 binds to multiple GW-rich ...
MARK AS OVER ANNOTATED
Summary: Generic protein binding does not capture the specific Argonaute/RISC function.
Reason: The cited interactions are best interpreted as RISC/cofactor context for small-RNA-guided silencing, not as a standalone core function.
Supporting Evidence:
file:human/AGO4/AGO4-deep-research-falcon.md
Human AGO4 (EIF2C4; UniProt Q9HCK5) is best supported (in the retrieved literature set) as a **small-RNA-binding Argonaute paralog** that contributes to gene regulation largely through **non-slicing mechanisms**
GO:0005515 protein binding
IPI
PMID:19383768
The C-terminal domains of human TNRC6A, TNRC6B, and TNRC6C s...
MARK AS OVER ANNOTATED
Summary: Generic protein binding does not capture the specific Argonaute/RISC function.
Reason: The cited interactions are best interpreted as RISC/cofactor context for small-RNA-guided silencing, not as a standalone core function.
Supporting Evidence:
file:human/AGO4/AGO4-deep-research-falcon.md
Human AGO4 (EIF2C4; UniProt Q9HCK5) is best supported (in the retrieved literature set) as a **small-RNA-binding Argonaute paralog** that contributes to gene regulation largely through **non-slicing mechanisms**
GO:0005515 protein binding
IPI
PMID:33961781
Dual proteome-scale networks reveal cell-specific remodeling...
MARK AS OVER ANNOTATED
Summary: Generic protein binding does not capture the specific Argonaute/RISC function.
Reason: The cited interactions are best interpreted as RISC/cofactor context for small-RNA-guided silencing, not as a standalone core function.
Supporting Evidence:
file:human/AGO4/AGO4-deep-research-falcon.md
Human AGO4 (EIF2C4; UniProt Q9HCK5) is best supported (in the retrieved literature set) as a **small-RNA-binding Argonaute paralog** that contributes to gene regulation largely through **non-slicing mechanisms**
GO:0005634 nucleus
IEA
GO_REF:0000107
KEEP AS NON CORE
Summary: nucleus is a plausible or reported location/context but is not the core functional site annotation for AGO4.
Reason: The core location is cytoplasmic RISC/RNP granules; nuclear, membrane, synaptic, exosomal, or other compartment annotations should remain non-core unless tied to a specific curated mechanism.
Supporting Evidence:
file:human/AGO4/AGO4-deep-research-falcon.md
Human AGO4 (EIF2C4; UniProt Q9HCK5) is best supported (in the retrieved literature set) as a **small-RNA-binding Argonaute paralog** that contributes to gene regulation largely through **non-slicing mechanisms**
GO:0035196 miRNA processing
NAS
PMID:28781232
Multivalent Recruitment of Human Argonaute by GW182.
MARK AS OVER ANNOTATED
Summary: miRNA processing overstates the direct role of AGO4 in canonical miRNA biogenesis.
Reason: The better-supported role is as a loaded Argonaute effector after small-RNA processing, not as the Drosha/Dicer processing enzyme for pre-miRNAs.
Supporting Evidence:
file:human/AGO4/AGO4-deep-research-falcon.md
Human AGO4 (EIF2C4; UniProt Q9HCK5) is best supported (in the retrieved literature set) as a **small-RNA-binding Argonaute paralog** that contributes to gene regulation largely through **non-slicing mechanisms**
GO:0036464 cytoplasmic ribonucleoprotein granule
IDA
GO_REF:0000052
ACCEPT
Summary: cytoplasmic ribonucleoprotein granule is consistent with AGO4 as a small-RNA-loaded Argonaute/RISC effector.
Reason: The falcon report supports AGO4 function in miRISC-mediated small-RNA-guided repression and related RISC complexes or cytoplasmic RNP compartments.
Supporting Evidence:
file:human/AGO4/AGO4-deep-research-falcon.md
Human AGO4 (EIF2C4; UniProt Q9HCK5) is best supported (in the retrieved literature set) as a **small-RNA-binding Argonaute paralog** that contributes to gene regulation largely through **non-slicing mechanisms**
GO:0005515 protein binding
IPI
PMID:15766526
Involvement of microRNA in AU-rich element-mediated mRNA ins...
MARK AS OVER ANNOTATED
Summary: Generic protein binding does not capture the specific Argonaute/RISC function.
Reason: The cited interactions are best interpreted as RISC/cofactor context for small-RNA-guided silencing, not as a standalone core function.
Supporting Evidence:
file:human/AGO4/AGO4-deep-research-falcon.md
Human AGO4 (EIF2C4; UniProt Q9HCK5) is best supported (in the retrieved literature set) as a **small-RNA-binding Argonaute paralog** that contributes to gene regulation largely through **non-slicing mechanisms**
GO:0035196 miRNA processing
IMP
PMID:22795694
Slicing-independent RISC activation requires the argonaute P...
MARK AS OVER ANNOTATED
Summary: miRNA processing overstates the direct role of AGO4 in canonical miRNA biogenesis.
Reason: The better-supported role is as a loaded Argonaute effector after small-RNA processing, not as the Drosha/Dicer processing enzyme for pre-miRNAs.
Supporting Evidence:
file:human/AGO4/AGO4-deep-research-falcon.md
Human AGO4 (EIF2C4; UniProt Q9HCK5) is best supported (in the retrieved literature set) as a **small-RNA-binding Argonaute paralog** that contributes to gene regulation largely through **non-slicing mechanisms**
GO:0031054 pre-miRNA processing
IDA
PMID:19966796
ATP-dependent human RISC assembly pathways.
MARK AS OVER ANNOTATED
Summary: pre-miRNA processing overstates the direct role of AGO4 in canonical miRNA biogenesis.
Reason: The better-supported role is as a loaded Argonaute effector after small-RNA processing, not as the Drosha/Dicer processing enzyme for pre-miRNAs.
Supporting Evidence:
file:human/AGO4/AGO4-deep-research-falcon.md
Human AGO4 (EIF2C4; UniProt Q9HCK5) is best supported (in the retrieved literature set) as a **small-RNA-binding Argonaute paralog** that contributes to gene regulation largely through **non-slicing mechanisms**
GO:0003725 double-stranded RNA binding
IDA
PMID:19966796
ATP-dependent human RISC assembly pathways.
MARK AS OVER ANNOTATED
Summary: double-stranded RNA binding is too generic for AGO4.
Reason: The informative molecular function is Argonaute small-RNA/miRNA binding within RISC rather than a broad nucleic-acid or RNA-binding label.
Supporting Evidence:
file:human/AGO4/AGO4-deep-research-falcon.md
Human AGO4 (EIF2C4; UniProt Q9HCK5) is best supported (in the retrieved literature set) as a **small-RNA-binding Argonaute paralog** that contributes to gene regulation largely through **non-slicing mechanisms**
GO:0003727 single-stranded RNA binding
IDA
PMID:19966796
ATP-dependent human RISC assembly pathways.
MARK AS OVER ANNOTATED
Summary: single-stranded RNA binding is too generic for AGO4.
Reason: The informative molecular function is Argonaute small-RNA/miRNA binding within RISC rather than a broad nucleic-acid or RNA-binding label.
Supporting Evidence:
file:human/AGO4/AGO4-deep-research-falcon.md
Human AGO4 (EIF2C4; UniProt Q9HCK5) is best supported (in the retrieved literature set) as a **small-RNA-binding Argonaute paralog** that contributes to gene regulation largely through **non-slicing mechanisms**
GO:0016442 RISC complex
IDA
PMID:19966796
ATP-dependent human RISC assembly pathways.
ACCEPT
Summary: RISC complex is consistent with AGO4 as a small-RNA-loaded Argonaute/RISC effector.
Reason: The falcon report supports AGO4 function in miRISC-mediated small-RNA-guided repression and related RISC complexes or cytoplasmic RNP compartments.
Supporting Evidence:
file:human/AGO4/AGO4-deep-research-falcon.md
Human AGO4 (EIF2C4; UniProt Q9HCK5) is best supported (in the retrieved literature set) as a **small-RNA-binding Argonaute paralog** that contributes to gene regulation largely through **non-slicing mechanisms**
GO:0070578 RISC-loading complex
IDA
PMID:19966796
ATP-dependent human RISC assembly pathways.
ACCEPT
Summary: RISC-loading complex is consistent with AGO4 as a small-RNA-loaded Argonaute/RISC effector.
Reason: The falcon report supports AGO4 function in miRISC-mediated small-RNA-guided repression and related RISC complexes or cytoplasmic RNP compartments.
Supporting Evidence:
file:human/AGO4/AGO4-deep-research-falcon.md
Human AGO4 (EIF2C4; UniProt Q9HCK5) is best supported (in the retrieved literature set) as a **small-RNA-binding Argonaute paralog** that contributes to gene regulation largely through **non-slicing mechanisms**
GO:0070922 RISC complex assembly
IDA
PMID:19966796
ATP-dependent human RISC assembly pathways.
ACCEPT
Summary: RISC complex assembly is consistent with AGO4 as a small-RNA-loaded Argonaute/RISC effector.
Reason: The falcon report supports AGO4 function in miRISC-mediated small-RNA-guided repression and related RISC complexes or cytoplasmic RNP compartments.
Supporting Evidence:
file:human/AGO4/AGO4-deep-research-falcon.md
Human AGO4 (EIF2C4; UniProt Q9HCK5) is best supported (in the retrieved literature set) as a **small-RNA-binding Argonaute paralog** that contributes to gene regulation largely through **non-slicing mechanisms**
GO:0090625 siRNA-mediated gene silencing by mRNA destabilization
IDA NOT
PMID:15260970
Human Argonaute2 mediates RNA cleavage targeted by miRNAs an...
ACCEPT
Summary: This NOT annotation is appropriate; AGO4 is not the Argonaute paralog that mediates siRNA-guided target mRNA cleavage/destabilization in this study.
Reason: PMID:15260970 supports AGO4 association with small RNAs/RISC but shows that endonucleolytic target cleavage activity is associated with AGO2, not AGO4. AGO4's supported role should be distinguished from this negated AGO2-like target-cleavage annotation.
Supporting Evidence:
PMID:15260970
Purification of the FLAG/HA-epitope-tagged Ago containing complexes from different human cell lines revealed that endonuclease activity is exclusively associated with Ago2.
file:human/AGO4/AGO4-deep-research-falcon.md
A long-standing view is that among the four human paralogs, **AGO2** is the canonical slicer (endonuclease), while **AGO1/AGO3/AGO4** primarily act through non-slicing mechanisms (translational repression, deadenylation).
GO:0005737 cytoplasm
IDA
PMID:15260970
Human Argonaute2 mediates RNA cleavage targeted by miRNAs an...
ACCEPT
Summary: cytoplasm is consistent with AGO4 as a small-RNA-loaded Argonaute/RISC effector.
Reason: The falcon report supports AGO4 function in miRISC-mediated small-RNA-guided repression and related RISC complexes or cytoplasmic RNP compartments.
Supporting Evidence:
file:human/AGO4/AGO4-deep-research-falcon.md
Human AGO4 (EIF2C4; UniProt Q9HCK5) is best supported (in the retrieved literature set) as a **small-RNA-binding Argonaute paralog** that contributes to gene regulation largely through **non-slicing mechanisms**
GO:0016442 RISC complex
IDA
PMID:15260970
Human Argonaute2 mediates RNA cleavage targeted by miRNAs an...
ACCEPT
Summary: RISC complex is consistent with AGO4 as a small-RNA-loaded Argonaute/RISC effector.
Reason: The falcon report supports AGO4 function in miRISC-mediated small-RNA-guided repression and related RISC complexes or cytoplasmic RNP compartments.
Supporting Evidence:
file:human/AGO4/AGO4-deep-research-falcon.md
Human AGO4 (EIF2C4; UniProt Q9HCK5) is best supported (in the retrieved literature set) as a **small-RNA-binding Argonaute paralog** that contributes to gene regulation largely through **non-slicing mechanisms**
GO:0035198 miRNA binding
IDA
PMID:15260970
Human Argonaute2 mediates RNA cleavage targeted by miRNAs an...
ACCEPT
Summary: miRNA binding is consistent with AGO4 as a small-RNA-loaded Argonaute/RISC effector.
Reason: The falcon report supports AGO4 function in miRISC-mediated small-RNA-guided repression and related RISC complexes or cytoplasmic RNP compartments.
Supporting Evidence:
file:human/AGO4/AGO4-deep-research-falcon.md
Human AGO4 (EIF2C4; UniProt Q9HCK5) is best supported (in the retrieved literature set) as a **small-RNA-binding Argonaute paralog** that contributes to gene regulation largely through **non-slicing mechanisms**
GO:0035279 miRNA-mediated gene silencing by mRNA destabilization
IDA NOT
PMID:15260970
Human Argonaute2 mediates RNA cleavage targeted by miRNAs an...
ACCEPT
Summary: This NOT annotation is appropriate; PMID:15260970 does not support assigning AGO4 to AGO2-like miRNA-guided target mRNA cleavage/destabilization.
Reason: AGO4 binds miRNAs and participates in RISC, but the cited work distinguishes that non-slicer role from AGO2-dependent target RNA cleavage. The NOT annotation should be retained rather than converted into a positive AGO4 mRNA-destabilization function.
Supporting Evidence:
PMID:15260970
The specific role of Ago2 in guiding target RNA cleavage was confirmed independently by siRNA-based depletion of individual Ago members in combination with a sensitive positive-readout reporter assay.
file:human/AGO4/AGO4-deep-research-falcon.md
A long-standing view is that among the four human paralogs, **AGO2** is the canonical slicer (endonuclease), while **AGO1/AGO3/AGO4** primarily act through non-slicing mechanisms (translational repression, deadenylation).
GO:0016020 membrane
HDA
PMID:19946888
Defining the membrane proteome of NK cells.
KEEP AS NON CORE
Summary: membrane is a plausible or reported location/context but is not the core functional site annotation for AGO4.
Reason: The core location is cytoplasmic RISC/RNP granules; nuclear, membrane, synaptic, exosomal, or other compartment annotations should remain non-core unless tied to a specific curated mechanism.
Supporting Evidence:
file:human/AGO4/AGO4-deep-research-falcon.md
Human AGO4 (EIF2C4; UniProt Q9HCK5) is best supported (in the retrieved literature set) as a **small-RNA-binding Argonaute paralog** that contributes to gene regulation largely through **non-slicing mechanisms**
GO:0005829 cytosol
TAS
Reactome:R-HSA-1606561
ACCEPT
Summary: cytosol is consistent with AGO4 as a small-RNA-loaded Argonaute/RISC effector.
Reason: The falcon report supports AGO4 function in miRISC-mediated small-RNA-guided repression and related RISC complexes or cytoplasmic RNP compartments.
Supporting Evidence:
file:human/AGO4/AGO4-deep-research-falcon.md
Human AGO4 (EIF2C4; UniProt Q9HCK5) is best supported (in the retrieved literature set) as a **small-RNA-binding Argonaute paralog** that contributes to gene regulation largely through **non-slicing mechanisms**
GO:0005829 cytosol
TAS
Reactome:R-HSA-1606682
ACCEPT
Summary: cytosol is consistent with AGO4 as a small-RNA-loaded Argonaute/RISC effector.
Reason: The falcon report supports AGO4 function in miRISC-mediated small-RNA-guided repression and related RISC complexes or cytoplasmic RNP compartments.
Supporting Evidence:
file:human/AGO4/AGO4-deep-research-falcon.md
Human AGO4 (EIF2C4; UniProt Q9HCK5) is best supported (in the retrieved literature set) as a **small-RNA-binding Argonaute paralog** that contributes to gene regulation largely through **non-slicing mechanisms**
GO:0005829 cytosol
TAS
Reactome:R-HSA-1912362
ACCEPT
Summary: cytosol is consistent with AGO4 as a small-RNA-loaded Argonaute/RISC effector.
Reason: The falcon report supports AGO4 function in miRISC-mediated small-RNA-guided repression and related RISC complexes or cytoplasmic RNP compartments.
Supporting Evidence:
file:human/AGO4/AGO4-deep-research-falcon.md
Human AGO4 (EIF2C4; UniProt Q9HCK5) is best supported (in the retrieved literature set) as a **small-RNA-binding Argonaute paralog** that contributes to gene regulation largely through **non-slicing mechanisms**
GO:0005829 cytosol
TAS
Reactome:R-HSA-1912363
ACCEPT
Summary: cytosol is consistent with AGO4 as a small-RNA-loaded Argonaute/RISC effector.
Reason: The falcon report supports AGO4 function in miRISC-mediated small-RNA-guided repression and related RISC complexes or cytoplasmic RNP compartments.
Supporting Evidence:
file:human/AGO4/AGO4-deep-research-falcon.md
Human AGO4 (EIF2C4; UniProt Q9HCK5) is best supported (in the retrieved literature set) as a **small-RNA-binding Argonaute paralog** that contributes to gene regulation largely through **non-slicing mechanisms**
GO:0005829 cytosol
TAS
Reactome:R-HSA-1912364
ACCEPT
Summary: cytosol is consistent with AGO4 as a small-RNA-loaded Argonaute/RISC effector.
Reason: The falcon report supports AGO4 function in miRISC-mediated small-RNA-guided repression and related RISC complexes or cytoplasmic RNP compartments.
Supporting Evidence:
file:human/AGO4/AGO4-deep-research-falcon.md
Human AGO4 (EIF2C4; UniProt Q9HCK5) is best supported (in the retrieved literature set) as a **small-RNA-binding Argonaute paralog** that contributes to gene regulation largely through **non-slicing mechanisms**
GO:0005829 cytosol
TAS
Reactome:R-HSA-1912366
ACCEPT
Summary: cytosol is consistent with AGO4 as a small-RNA-loaded Argonaute/RISC effector.
Reason: The falcon report supports AGO4 function in miRISC-mediated small-RNA-guided repression and related RISC complexes or cytoplasmic RNP compartments.
Supporting Evidence:
file:human/AGO4/AGO4-deep-research-falcon.md
Human AGO4 (EIF2C4; UniProt Q9HCK5) is best supported (in the retrieved literature set) as a **small-RNA-binding Argonaute paralog** that contributes to gene regulation largely through **non-slicing mechanisms**
GO:0005829 cytosol
TAS
Reactome:R-HSA-1912367
ACCEPT
Summary: cytosol is consistent with AGO4 as a small-RNA-loaded Argonaute/RISC effector.
Reason: The falcon report supports AGO4 function in miRISC-mediated small-RNA-guided repression and related RISC complexes or cytoplasmic RNP compartments.
Supporting Evidence:
file:human/AGO4/AGO4-deep-research-falcon.md
Human AGO4 (EIF2C4; UniProt Q9HCK5) is best supported (in the retrieved literature set) as a **small-RNA-binding Argonaute paralog** that contributes to gene regulation largely through **non-slicing mechanisms**
GO:0005829 cytosol
TAS
Reactome:R-HSA-1912368
ACCEPT
Summary: cytosol is consistent with AGO4 as a small-RNA-loaded Argonaute/RISC effector.
Reason: The falcon report supports AGO4 function in miRISC-mediated small-RNA-guided repression and related RISC complexes or cytoplasmic RNP compartments.
Supporting Evidence:
file:human/AGO4/AGO4-deep-research-falcon.md
Human AGO4 (EIF2C4; UniProt Q9HCK5) is best supported (in the retrieved literature set) as a **small-RNA-binding Argonaute paralog** that contributes to gene regulation largely through **non-slicing mechanisms**
GO:0005829 cytosol
TAS
Reactome:R-HSA-1912406
ACCEPT
Summary: cytosol is consistent with AGO4 as a small-RNA-loaded Argonaute/RISC effector.
Reason: The falcon report supports AGO4 function in miRISC-mediated small-RNA-guided repression and related RISC complexes or cytoplasmic RNP compartments.
Supporting Evidence:
file:human/AGO4/AGO4-deep-research-falcon.md
Human AGO4 (EIF2C4; UniProt Q9HCK5) is best supported (in the retrieved literature set) as a **small-RNA-binding Argonaute paralog** that contributes to gene regulation largely through **non-slicing mechanisms**
GO:0005829 cytosol
TAS
Reactome:R-HSA-2318752
ACCEPT
Summary: cytosol is consistent with AGO4 as a small-RNA-loaded Argonaute/RISC effector.
Reason: The falcon report supports AGO4 function in miRISC-mediated small-RNA-guided repression and related RISC complexes or cytoplasmic RNP compartments.
Supporting Evidence:
file:human/AGO4/AGO4-deep-research-falcon.md
Human AGO4 (EIF2C4; UniProt Q9HCK5) is best supported (in the retrieved literature set) as a **small-RNA-binding Argonaute paralog** that contributes to gene regulation largely through **non-slicing mechanisms**
GO:0005829 cytosol
TAS
Reactome:R-HSA-3209151
ACCEPT
Summary: cytosol is consistent with AGO4 as a small-RNA-loaded Argonaute/RISC effector.
Reason: The falcon report supports AGO4 function in miRISC-mediated small-RNA-guided repression and related RISC complexes or cytoplasmic RNP compartments.
Supporting Evidence:
file:human/AGO4/AGO4-deep-research-falcon.md
Human AGO4 (EIF2C4; UniProt Q9HCK5) is best supported (in the retrieved literature set) as a **small-RNA-binding Argonaute paralog** that contributes to gene regulation largely through **non-slicing mechanisms**
GO:0005829 cytosol
TAS
Reactome:R-HSA-426489
ACCEPT
Summary: cytosol is consistent with AGO4 as a small-RNA-loaded Argonaute/RISC effector.
Reason: The falcon report supports AGO4 function in miRISC-mediated small-RNA-guided repression and related RISC complexes or cytoplasmic RNP compartments.
Supporting Evidence:
file:human/AGO4/AGO4-deep-research-falcon.md
Human AGO4 (EIF2C4; UniProt Q9HCK5) is best supported (in the retrieved literature set) as a **small-RNA-binding Argonaute paralog** that contributes to gene regulation largely through **non-slicing mechanisms**
GO:0005829 cytosol
TAS
Reactome:R-HSA-426522
ACCEPT
Summary: cytosol is consistent with AGO4 as a small-RNA-loaded Argonaute/RISC effector.
Reason: The falcon report supports AGO4 function in miRISC-mediated small-RNA-guided repression and related RISC complexes or cytoplasmic RNP compartments.
Supporting Evidence:
file:human/AGO4/AGO4-deep-research-falcon.md
Human AGO4 (EIF2C4; UniProt Q9HCK5) is best supported (in the retrieved literature set) as a **small-RNA-binding Argonaute paralog** that contributes to gene regulation largely through **non-slicing mechanisms**
GO:0005829 cytosol
TAS
Reactome:R-HSA-4518575
ACCEPT
Summary: cytosol is consistent with AGO4 as a small-RNA-loaded Argonaute/RISC effector.
Reason: The falcon report supports AGO4 function in miRISC-mediated small-RNA-guided repression and related RISC complexes or cytoplasmic RNP compartments.
Supporting Evidence:
file:human/AGO4/AGO4-deep-research-falcon.md
Human AGO4 (EIF2C4; UniProt Q9HCK5) is best supported (in the retrieved literature set) as a **small-RNA-binding Argonaute paralog** that contributes to gene regulation largely through **non-slicing mechanisms**
GO:0005829 cytosol
TAS
Reactome:R-HSA-5687103
ACCEPT
Summary: cytosol is consistent with AGO4 as a small-RNA-loaded Argonaute/RISC effector.
Reason: The falcon report supports AGO4 function in miRISC-mediated small-RNA-guided repression and related RISC complexes or cytoplasmic RNP compartments.
Supporting Evidence:
file:human/AGO4/AGO4-deep-research-falcon.md
Human AGO4 (EIF2C4; UniProt Q9HCK5) is best supported (in the retrieved literature set) as a **small-RNA-binding Argonaute paralog** that contributes to gene regulation largely through **non-slicing mechanisms**
GO:0005829 cytosol
TAS
Reactome:R-HSA-8935766
ACCEPT
Summary: cytosol is consistent with AGO4 as a small-RNA-loaded Argonaute/RISC effector.
Reason: The falcon report supports AGO4 function in miRISC-mediated small-RNA-guided repression and related RISC complexes or cytoplasmic RNP compartments.
Supporting Evidence:
file:human/AGO4/AGO4-deep-research-falcon.md
Human AGO4 (EIF2C4; UniProt Q9HCK5) is best supported (in the retrieved literature set) as a **small-RNA-binding Argonaute paralog** that contributes to gene regulation largely through **non-slicing mechanisms**
GO:0005829 cytosol
TAS
Reactome:R-HSA-8937097
ACCEPT
Summary: cytosol is consistent with AGO4 as a small-RNA-loaded Argonaute/RISC effector.
Reason: The falcon report supports AGO4 function in miRISC-mediated small-RNA-guided repression and related RISC complexes or cytoplasmic RNP compartments.
Supporting Evidence:
file:human/AGO4/AGO4-deep-research-falcon.md
Human AGO4 (EIF2C4; UniProt Q9HCK5) is best supported (in the retrieved literature set) as a **small-RNA-binding Argonaute paralog** that contributes to gene regulation largely through **non-slicing mechanisms**
GO:0005829 cytosol
TAS
Reactome:R-HSA-8937134
ACCEPT
Summary: cytosol is consistent with AGO4 as a small-RNA-loaded Argonaute/RISC effector.
Reason: The falcon report supports AGO4 function in miRISC-mediated small-RNA-guided repression and related RISC complexes or cytoplasmic RNP compartments.
Supporting Evidence:
file:human/AGO4/AGO4-deep-research-falcon.md
Human AGO4 (EIF2C4; UniProt Q9HCK5) is best supported (in the retrieved literature set) as a **small-RNA-binding Argonaute paralog** that contributes to gene regulation largely through **non-slicing mechanisms**
GO:0005829 cytosol
TAS
Reactome:R-HSA-8938440
ACCEPT
Summary: cytosol is consistent with AGO4 as a small-RNA-loaded Argonaute/RISC effector.
Reason: The falcon report supports AGO4 function in miRISC-mediated small-RNA-guided repression and related RISC complexes or cytoplasmic RNP compartments.
Supporting Evidence:
file:human/AGO4/AGO4-deep-research-falcon.md
Human AGO4 (EIF2C4; UniProt Q9HCK5) is best supported (in the retrieved literature set) as a **small-RNA-binding Argonaute paralog** that contributes to gene regulation largely through **non-slicing mechanisms**
GO:0005829 cytosol
TAS
Reactome:R-HSA-8938487
ACCEPT
Summary: cytosol is consistent with AGO4 as a small-RNA-loaded Argonaute/RISC effector.
Reason: The falcon report supports AGO4 function in miRISC-mediated small-RNA-guided repression and related RISC complexes or cytoplasmic RNP compartments.
Supporting Evidence:
file:human/AGO4/AGO4-deep-research-falcon.md
Human AGO4 (EIF2C4; UniProt Q9HCK5) is best supported (in the retrieved literature set) as a **small-RNA-binding Argonaute paralog** that contributes to gene regulation largely through **non-slicing mechanisms**
GO:0005829 cytosol
TAS
Reactome:R-HSA-8938507
ACCEPT
Summary: cytosol is consistent with AGO4 as a small-RNA-loaded Argonaute/RISC effector.
Reason: The falcon report supports AGO4 function in miRISC-mediated small-RNA-guided repression and related RISC complexes or cytoplasmic RNP compartments.
Supporting Evidence:
file:human/AGO4/AGO4-deep-research-falcon.md
Human AGO4 (EIF2C4; UniProt Q9HCK5) is best supported (in the retrieved literature set) as a **small-RNA-binding Argonaute paralog** that contributes to gene regulation largely through **non-slicing mechanisms**
GO:0005829 cytosol
TAS
Reactome:R-HSA-8944650
ACCEPT
Summary: cytosol is consistent with AGO4 as a small-RNA-loaded Argonaute/RISC effector.
Reason: The falcon report supports AGO4 function in miRISC-mediated small-RNA-guided repression and related RISC complexes or cytoplasmic RNP compartments.
Supporting Evidence:
file:human/AGO4/AGO4-deep-research-falcon.md
Human AGO4 (EIF2C4; UniProt Q9HCK5) is best supported (in the retrieved literature set) as a **small-RNA-binding Argonaute paralog** that contributes to gene regulation largely through **non-slicing mechanisms**
GO:0005829 cytosol
TAS
Reactome:R-HSA-8944684
ACCEPT
Summary: cytosol is consistent with AGO4 as a small-RNA-loaded Argonaute/RISC effector.
Reason: The falcon report supports AGO4 function in miRISC-mediated small-RNA-guided repression and related RISC complexes or cytoplasmic RNP compartments.
Supporting Evidence:
file:human/AGO4/AGO4-deep-research-falcon.md
Human AGO4 (EIF2C4; UniProt Q9HCK5) is best supported (in the retrieved literature set) as a **small-RNA-binding Argonaute paralog** that contributes to gene regulation largely through **non-slicing mechanisms**
GO:0005829 cytosol
TAS
Reactome:R-HSA-8944706
ACCEPT
Summary: cytosol is consistent with AGO4 as a small-RNA-loaded Argonaute/RISC effector.
Reason: The falcon report supports AGO4 function in miRISC-mediated small-RNA-guided repression and related RISC complexes or cytoplasmic RNP compartments.
Supporting Evidence:
file:human/AGO4/AGO4-deep-research-falcon.md
Human AGO4 (EIF2C4; UniProt Q9HCK5) is best supported (in the retrieved literature set) as a **small-RNA-binding Argonaute paralog** that contributes to gene regulation largely through **non-slicing mechanisms**
GO:0005829 cytosol
TAS
Reactome:R-HSA-9011958
ACCEPT
Summary: cytosol is consistent with AGO4 as a small-RNA-loaded Argonaute/RISC effector.
Reason: The falcon report supports AGO4 function in miRISC-mediated small-RNA-guided repression and related RISC complexes or cytoplasmic RNP compartments.
Supporting Evidence:
file:human/AGO4/AGO4-deep-research-falcon.md
Human AGO4 (EIF2C4; UniProt Q9HCK5) is best supported (in the retrieved literature set) as a **small-RNA-binding Argonaute paralog** that contributes to gene regulation largely through **non-slicing mechanisms**
GO:0005829 cytosol
TAS
Reactome:R-HSA-9012203
ACCEPT
Summary: cytosol is consistent with AGO4 as a small-RNA-loaded Argonaute/RISC effector.
Reason: The falcon report supports AGO4 function in miRISC-mediated small-RNA-guided repression and related RISC complexes or cytoplasmic RNP compartments.
Supporting Evidence:
file:human/AGO4/AGO4-deep-research-falcon.md
Human AGO4 (EIF2C4; UniProt Q9HCK5) is best supported (in the retrieved literature set) as a **small-RNA-binding Argonaute paralog** that contributes to gene regulation largely through **non-slicing mechanisms**
GO:0005829 cytosol
TAS
Reactome:R-HSA-9012208
ACCEPT
Summary: cytosol is consistent with AGO4 as a small-RNA-loaded Argonaute/RISC effector.
Reason: The falcon report supports AGO4 function in miRISC-mediated small-RNA-guided repression and related RISC complexes or cytoplasmic RNP compartments.
Supporting Evidence:
file:human/AGO4/AGO4-deep-research-falcon.md
Human AGO4 (EIF2C4; UniProt Q9HCK5) is best supported (in the retrieved literature set) as a **small-RNA-binding Argonaute paralog** that contributes to gene regulation largely through **non-slicing mechanisms**
GO:0005829 cytosol
TAS
Reactome:R-HSA-9038545
ACCEPT
Summary: cytosol is consistent with AGO4 as a small-RNA-loaded Argonaute/RISC effector.
Reason: The falcon report supports AGO4 function in miRISC-mediated small-RNA-guided repression and related RISC complexes or cytoplasmic RNP compartments.
Supporting Evidence:
file:human/AGO4/AGO4-deep-research-falcon.md
Human AGO4 (EIF2C4; UniProt Q9HCK5) is best supported (in the retrieved literature set) as a **small-RNA-binding Argonaute paralog** that contributes to gene regulation largely through **non-slicing mechanisms**
GO:0005829 cytosol
TAS
Reactome:R-HSA-9618392
ACCEPT
Summary: cytosol is consistent with AGO4 as a small-RNA-loaded Argonaute/RISC effector.
Reason: The falcon report supports AGO4 function in miRISC-mediated small-RNA-guided repression and related RISC complexes or cytoplasmic RNP compartments.
Supporting Evidence:
file:human/AGO4/AGO4-deep-research-falcon.md
Human AGO4 (EIF2C4; UniProt Q9HCK5) is best supported (in the retrieved literature set) as a **small-RNA-binding Argonaute paralog** that contributes to gene regulation largely through **non-slicing mechanisms**
GO:0005829 cytosol
TAS
Reactome:R-HSA-9618486
ACCEPT
Summary: cytosol is consistent with AGO4 as a small-RNA-loaded Argonaute/RISC effector.
Reason: The falcon report supports AGO4 function in miRISC-mediated small-RNA-guided repression and related RISC complexes or cytoplasmic RNP compartments.
Supporting Evidence:
file:human/AGO4/AGO4-deep-research-falcon.md
Human AGO4 (EIF2C4; UniProt Q9HCK5) is best supported (in the retrieved literature set) as a **small-RNA-binding Argonaute paralog** that contributes to gene regulation largely through **non-slicing mechanisms**
GO:0005829 cytosol
TAS
Reactome:R-HSA-9624925
ACCEPT
Summary: cytosol is consistent with AGO4 as a small-RNA-loaded Argonaute/RISC effector.
Reason: The falcon report supports AGO4 function in miRISC-mediated small-RNA-guided repression and related RISC complexes or cytoplasmic RNP compartments.
Supporting Evidence:
file:human/AGO4/AGO4-deep-research-falcon.md
Human AGO4 (EIF2C4; UniProt Q9HCK5) is best supported (in the retrieved literature set) as a **small-RNA-binding Argonaute paralog** that contributes to gene regulation largely through **non-slicing mechanisms**
GO:0005829 cytosol
TAS
Reactome:R-HSA-9657791
ACCEPT
Summary: cytosol is consistent with AGO4 as a small-RNA-loaded Argonaute/RISC effector.
Reason: The falcon report supports AGO4 function in miRISC-mediated small-RNA-guided repression and related RISC complexes or cytoplasmic RNP compartments.
Supporting Evidence:
file:human/AGO4/AGO4-deep-research-falcon.md
Human AGO4 (EIF2C4; UniProt Q9HCK5) is best supported (in the retrieved literature set) as a **small-RNA-binding Argonaute paralog** that contributes to gene regulation largely through **non-slicing mechanisms**
GO:0005829 cytosol
TAS
Reactome:R-HSA-9858289
ACCEPT
Summary: cytosol is consistent with AGO4 as a small-RNA-loaded Argonaute/RISC effector.
Reason: The falcon report supports AGO4 function in miRISC-mediated small-RNA-guided repression and related RISC complexes or cytoplasmic RNP compartments.
Supporting Evidence:
file:human/AGO4/AGO4-deep-research-falcon.md
Human AGO4 (EIF2C4; UniProt Q9HCK5) is best supported (in the retrieved literature set) as a **small-RNA-binding Argonaute paralog** that contributes to gene regulation largely through **non-slicing mechanisms**
GO:0005829 cytosol
TAS
Reactome:R-HSA-9858309
ACCEPT
Summary: cytosol is consistent with AGO4 as a small-RNA-loaded Argonaute/RISC effector.
Reason: The falcon report supports AGO4 function in miRISC-mediated small-RNA-guided repression and related RISC complexes or cytoplasmic RNP compartments.
Supporting Evidence:
file:human/AGO4/AGO4-deep-research-falcon.md
Human AGO4 (EIF2C4; UniProt Q9HCK5) is best supported (in the retrieved literature set) as a **small-RNA-binding Argonaute paralog** that contributes to gene regulation largely through **non-slicing mechanisms**
GO:0005829 cytosol
TAS
Reactome:R-HSA-9924921
ACCEPT
Summary: cytosol is consistent with AGO4 as a small-RNA-loaded Argonaute/RISC effector.
Reason: The falcon report supports AGO4 function in miRISC-mediated small-RNA-guided repression and related RISC complexes or cytoplasmic RNP compartments.
Supporting Evidence:
file:human/AGO4/AGO4-deep-research-falcon.md
Human AGO4 (EIF2C4; UniProt Q9HCK5) is best supported (in the retrieved literature set) as a **small-RNA-binding Argonaute paralog** that contributes to gene regulation largely through **non-slicing mechanisms**
GO:0005829 cytosol
TAS
Reactome:R-HSA-9925095
ACCEPT
Summary: cytosol is consistent with AGO4 as a small-RNA-loaded Argonaute/RISC effector.
Reason: The falcon report supports AGO4 function in miRISC-mediated small-RNA-guided repression and related RISC complexes or cytoplasmic RNP compartments.
Supporting Evidence:
file:human/AGO4/AGO4-deep-research-falcon.md
Human AGO4 (EIF2C4; UniProt Q9HCK5) is best supported (in the retrieved literature set) as a **small-RNA-binding Argonaute paralog** that contributes to gene regulation largely through **non-slicing mechanisms**
GO:0005829 cytosol
TAS
Reactome:R-HSA-9925158
ACCEPT
Summary: cytosol is consistent with AGO4 as a small-RNA-loaded Argonaute/RISC effector.
Reason: The falcon report supports AGO4 function in miRISC-mediated small-RNA-guided repression and related RISC complexes or cytoplasmic RNP compartments.
Supporting Evidence:
file:human/AGO4/AGO4-deep-research-falcon.md
Human AGO4 (EIF2C4; UniProt Q9HCK5) is best supported (in the retrieved literature set) as a **small-RNA-binding Argonaute paralog** that contributes to gene regulation largely through **non-slicing mechanisms**
GO:0005829 cytosol
TAS
Reactome:R-HSA-9925159
ACCEPT
Summary: cytosol is consistent with AGO4 as a small-RNA-loaded Argonaute/RISC effector.
Reason: The falcon report supports AGO4 function in miRISC-mediated small-RNA-guided repression and related RISC complexes or cytoplasmic RNP compartments.
Supporting Evidence:
file:human/AGO4/AGO4-deep-research-falcon.md
Human AGO4 (EIF2C4; UniProt Q9HCK5) is best supported (in the retrieved literature set) as a **small-RNA-binding Argonaute paralog** that contributes to gene regulation largely through **non-slicing mechanisms**
GO:0005829 cytosol
TAS
Reactome:R-HSA-9925324
ACCEPT
Summary: cytosol is consistent with AGO4 as a small-RNA-loaded Argonaute/RISC effector.
Reason: The falcon report supports AGO4 function in miRISC-mediated small-RNA-guided repression and related RISC complexes or cytoplasmic RNP compartments.
Supporting Evidence:
file:human/AGO4/AGO4-deep-research-falcon.md
Human AGO4 (EIF2C4; UniProt Q9HCK5) is best supported (in the retrieved literature set) as a **small-RNA-binding Argonaute paralog** that contributes to gene regulation largely through **non-slicing mechanisms**
GO:0006402 mRNA catabolic process
IDA
PMID:18771919
Importance of translation and nonnucleolytic ago proteins fo...
KEEP AS NON CORE
Summary: mRNA catabolic process is downstream or context-specific for AGO4.
Reason: This process may be supported in a particular experiment or pathway model, but it is peripheral to the core Argonaute/RISC molecular role.
Supporting Evidence:
file:human/AGO4/AGO4-deep-research-falcon.md
Human AGO4 (EIF2C4; UniProt Q9HCK5) is best supported (in the retrieved literature set) as a **small-RNA-binding Argonaute paralog** that contributes to gene regulation largely through **non-slicing mechanisms**
GO:0035278 miRNA-mediated gene silencing by inhibition of translation
IDA
PMID:18771919
Importance of translation and nonnucleolytic ago proteins fo...
ACCEPT
Summary: miRNA-mediated gene silencing by inhibition of translation is consistent with AGO4 as a small-RNA-loaded Argonaute/RISC effector.
Reason: The falcon report supports AGO4 function in miRISC-mediated small-RNA-guided repression and related RISC complexes or cytoplasmic RNP compartments.
Supporting Evidence:
file:human/AGO4/AGO4-deep-research-falcon.md
Human AGO4 (EIF2C4; UniProt Q9HCK5) is best supported (in the retrieved literature set) as a **small-RNA-binding Argonaute paralog** that contributes to gene regulation largely through **non-slicing mechanisms**

Core Functions

Small-RNA-loaded Argonaute/RISC effector activity, primarily through non-slicing repression mechanisms including translational control.

Supporting Evidence:
  • file:human/AGO4/AGO4-deep-research-falcon.md
    Human AGO4 (EIF2C4; UniProt Q9HCK5) is best supported (in the retrieved literature set) as a **small-RNA-binding Argonaute paralog** that contributes to gene regulation largely through **non-slicing mechanisms**

References

Gene Ontology annotation through association of InterPro records with GO terms
Annotation inferences using phylogenetic trees
Gene Ontology annotation based on curation of immunofluorescence data
Automatic transfer of experimentally verified manual GO annotation data to orthologs using Ensembl Compara
Electronic Gene Ontology annotations created by ARBA machine learning models
Combined Automated Annotation using Multiple IEA Methods
Human Argonaute2 mediates RNA cleavage targeted by miRNAs and siRNAs.
Involvement of microRNA in AU-rich element-mediated mRNA instability.
Importance of translation and nonnucleolytic ago proteins for on-target RNA interference.
Importin 8 is a gene silencing factor that targets argonaute proteins to distinct mRNAs.
The C-terminal half of human Ago2 binds to multiple GW-rich regions of GW182 and requires GW182 to mediate silencing.
The C-terminal domains of human TNRC6A, TNRC6B, and TNRC6C silence bound transcripts independently of Argonaute proteins.
Defining the membrane proteome of NK cells.
ATP-dependent human RISC assembly pathways.
Slicing-independent RISC activation requires the argonaute PAZ domain.
Multivalent Recruitment of Human Argonaute by GW182.
Dual proteome-scale networks reveal cell-specific remodeling of the human interactome.
Reactome:R-HSA-1606561
MIR449 microRNAs bind 3'UTR of NOTCH1 mRNA
Reactome:R-HSA-1606682
MIR34 microRNAs bind 3'UTR of NOTCH1 mRNA
Reactome:R-HSA-1912362
MIR150 microRNA binds 3'UTR of NOTCH3 mRNA
Reactome:R-HSA-1912363
MIR200B/C microRNAs bind NOTCH1 mRNA
Reactome:R-HSA-1912364
MIR181C microRNA binds 3'UTR of NOTCH4 mRNA
Reactome:R-HSA-1912366
MIR206 microRNA binds 3'UTR of NOTCH3 mRNA
Reactome:R-HSA-1912367
MIR34 microRNAs bind 3'UTR of NOTCH2 mRNA
Reactome:R-HSA-1912368
MIR302A microRNA binds 3'UTR of NOTCH4 mRNA
Reactome:R-HSA-1912406
p53 positively regulates transcription of MIR34 microRNAs
Reactome:R-HSA-2318752
miR-26A microRNAs bind PTEN mRNA
Reactome:R-HSA-3209151
miR-24 binds p16INK4A and p14ARF mRNAs
Reactome:R-HSA-426489
RISC binds inexactly matching target RNAs
Reactome:R-HSA-426522
Nonendonucleolytic RISC binds exactly matching target RNAs
Reactome:R-HSA-4518575
miR-92b binds 3'UTR of NLK mRNA
Reactome:R-HSA-5687103
FOXO3 regulates MIR34B,C expression
Reactome:R-HSA-8935766
miR-378 binds RUNX1 mRNA
Reactome:R-HSA-8937097
MIR27A gene transcription is stimulated by the complex containing RUNX1, PRMT1 and GATA1 and inhibited by the complex of RUNX1, SIN3A and PRMT6
Reactome:R-HSA-8937134
miR-27a binds RUNX1 mRNA
Reactome:R-HSA-8938440
miR-17 binds RUNX1 mRNA
Reactome:R-HSA-8938487
miR-20a binds RUNX1 mRNA
Reactome:R-HSA-8938507
miR-106a binds RUNX1 mRNA
Reactome:R-HSA-8944650
miR-214 microRNA binds PTEN mRNA
Reactome:R-HSA-8944684
miR-205 microRNA binds PTEN mRNA
Reactome:R-HSA-8944706
miR-21 nonendonucleolytic RISC binds PTEN mRNA
Reactome:R-HSA-9011958
miR-26A and B bind to the 3'UTR of the GREB1 mRNA
Reactome:R-HSA-9012203
miR-26A and B bind to the 3'UTR of the CHD11 mRNA
Reactome:R-HSA-9012208
miR-26A and B bind to the 3'UTR of the KPNA2 mRNA
Reactome:R-HSA-9038545
miR-613 binds to the 3'UTR of the NR1H3 mRNA
Reactome:R-HSA-9618392
miR-26 binds to the 3'UTR of the ARL4C mRNA
Reactome:R-HSA-9618486
miR-26 binds to the 3'UTR of the ABCA1 mRNA
Reactome:R-HSA-9624925
miR-33 binds to the 3'UTR of the ABCA1 mRNA
Reactome:R-HSA-9657791
miR-144 binds to the 3'UTR of the ABCA1 mRNA
Reactome:R-HSA-9858289
MITF-M-dependent miR-211 expression
Reactome:R-HSA-9858309
miR-211 RISC binds POU3F2 mRNA
Reactome:R-HSA-9924921
CD274 mRNA binds miR-34 RISC
Reactome:R-HSA-9925095
CD274 mRNA binds miR-340 RISC
Reactome:R-HSA-9925158
CD274 mRNA binds miR-152 RISC
Reactome:R-HSA-9925159
CD274 mRNA binds miR-140 RISC
Reactome:R-HSA-9925324
CD274 mRNA binds miR-200B/C RISC
file:human/AGO4/AGO4-uniprot.txt
UniProt text export for AGO4
  • UniProt identifies AGO4 and its protein family/domain context.
    "Belongs to the argonaute family. Ago subfamily."
file:human/AGO4/AGO4-deep-research-falcon.md
Falcon deep research report for AGO4
  • Falcon research supports the reviewed core function of AGO4.
    "Human AGO4 (EIF2C4; UniProt Q9HCK5) is best supported (in the retrieved literature set) as a **small-RNA-binding Argonaute paralog** that contributes to gene regulation largely through **non-slicing mechanisms**"

Suggested Questions for Experts

Q: Which endogenous human tissues or stress states require AGO4-specific RISC activity rather than redundant activity from other AGO paralogs?

Q: Which protein cofactors determine guide loading, localization, and non-core nuclear or granule-associated functions of AGO4?

Suggested Experiments

Experiment: Endogenous tagging of AGO4 followed by small-RNA CLIP, target RNA profiling, and paralog-specific rescue in AGO-depleted human cells.

Hypothesis: AGO4 has paralog-specific guide, target, and compartment preferences within human RISC biology.

Type: genome editing/RNA-protein interaction profiling

Experiment: Biochemical reconstitution of AGO4-RISC with representative miRNA and siRNA guides to compare target repression, target cleavage, and TNRC6 recruitment.

Hypothesis: AGO4 activity is best explained by guide-loaded RISC function rather than generic RNA or protein binding.

Type: biochemical reconstitution

Deep Research

Falcon

(AGO4-deep-research-falcon.md)
Comprehensive research report: Human **AGO4 / EIF2C4** (UniProt **Q9HCK5**) Falcon Edison Scientific Literature 39 citations 2026-05-02T23:13:05.857366

The research report should be a detailed narrative explaining the function, biological processes, and localization of the gene product. Citations should be given for all claims.

You should prioritize authoritative reviews and primary scientific literature when conducting research. You can supplement
this with annotations you find in gene/protein databases, but these can be outdated or inaccurate.

We are specifically interested in the primary function of the gene - for enzymes, what reaction is catalyzed, and what is the substrate specificity? For transporters, what is the substrate? For structural proteins or adapters, what is the broader structural role? For signaling molecules, what is the role in the pathway.

We are interested in where in or outside the cell the gene product carries out its function.

We are also interested in the signaling or biochemical pathways in which the gene functions. We are less interested in broad pleiotropic effects, except where these elucidate the precise role.

Include evidence where possible. We are interested in both experimental evidence as well as inference from structure, evolution, or bioinformatic analysis. Precise studies should be prioritized over high-throughput, where available.

Comprehensive research report: Human AGO4 / EIF2C4 (UniProt Q9HCK5)

0) Target identity verification (critical disambiguation)

The target is human Argonaute-4 (gene AGO4, synonym EIF2C4) in the Argonaute Ago subfamily. Mammalian literature explicitly links Ago4 ↔ Eif2c4 and treats it as one of four mammalian Argonaute paralogs (AGO1–AGO4) with a PIWI domain (RNase H-like fold) and the canonical Argonaute domain architecture. (adiliaghdam2020arequirementfor pages 1-3)

Important ambiguity note: “AGO4” is heavily used in plants to mean a different Argonaute with prominent nuclear RNA-directed DNA methylation roles; plant AGO literature should not be used as evidence for human AGO4. A retrieved plant AGO paper is therefore treated only as general mechanistic background on Argonaute slicing, not as AGO4(Hs) functional evidence. (arribashernandez2016thesliceractivity pages 1-4)

1) Key concepts and definitions (current understanding)

1.1 RISC and Argonaute core function

Argonaute proteins are small-RNA–binding proteins that form the catalytic/effector core of the RNA-induced silencing complex (RISC). In canonical post-transcriptional gene regulation, miRNA/siRNA duplexes are loaded onto an Argonaute; the passenger strand is removed and the guide strand remains to direct sequence-specific recognition of RNA targets. (nakanishi2016anatomyofrisc pages 1-2, nakanishi2022anatomyoffour pages 1-2)

RISC-mediated repression commonly proceeds without slicing (cleavage) and instead uses recruitment of TNRC6/GW182 and downstream deadenylation/decay machinery (e.g., CCR4–NOT) to drive translational repression and mRNA destabilization. (nakanishi2016anatomyofrisc pages 1-2, wang2024theguidernasequence pages 1-3)

1.2 Domain architecture of AGO4

Human AGO proteins share signature domains N, PAZ, MID, PIWI (plus linkers L1/L2 in long AGOs). PAZ and MID anchor the guide RNA ends, while the PIWI domain has an RNase H fold that can support endonucleolytic slicing in slicer-competent Argonautes. (pantazopoulou2020fromtheargonauts pages 1-3, nakanishi2016anatomyofrisc pages 1-2, carvalho2019studyofhuman pages 27-29)

1.3 Slicer vs non-slicer AGOs in humans

A long-standing view is that among the four human paralogs, AGO2 is the canonical “slicer” (endonuclease), while AGO1/AGO3/AGO4 primarily act through non-slicing mechanisms (translational repression, deadenylation). This remains the dominant functional framing even as paralog-specific exceptions have emerged (e.g., guide-dependent slicing by AGO3). (park2017humanargonaute3has pages 1-1, nakanishi2022anatomyoffour pages 1-2)

In practice, a key mechanistic point is that even non-slicer AGOs (including AGO4) can assemble RISCs and perform strand separation/unwinding in a slicer-independent manner under physiological conditions, explaining why small RNAs can distribute across all four human AGOs. (nakanishi2022anatomyoffour pages 1-2)

2) AGO4 molecular function: what it does (and what it does not)

2.1 Small-RNA binding and RISC assembly

AGO4 is part of the human Argonaute set (AGO1–4) that binds small RNAs to form RISCs. General RISC assembly principles include chaperone-assisted loading (Hsc70/Hsp90), passenger ejection, and guide segmentation (seed/central/supplementary/tail). (nakanishi2016anatomyofrisc pages 1-2, nakanishi2022anatomyoffour pages 1-2)

2.2 Catalysis (slicing) is not established as AGO4’s primary physiological mechanism

Although Argonaute proteins possess a PIWI RNase H-like fold, the strongest physiological evidence in the retrieved corpus indicates AGO4 functions in antiviral defense and translation regulation without demonstrating canonical slicing as the key mechanism.

In the antiviral context, Adiliaghdam et al. report that mutating predicted AGO4 catalytic residues did not abolish AGO4-mediated influenza repression, and that exogenous siRNA antiviral effects required AGO2 (not AGO4), arguing against AGO4 acting mainly through classical slicing. (adiliaghdam2020arequirementfor pages 7-8)

Expert synthesis (2024) also emphasizes that in animals, most miRNA repression is slicer-independent and that only some paralogs are robust slicers, with ongoing work refining when slicing is deployed. (nakanishi2024whenargonautetakes pages 1-3)

2.3 Non-canonical translational repression: AGO4 and IRES-dependent translation

A distinct functional specialization highlighted for human AGO4 is repression of IRES-driven translation in a specific bicistronic mRNA context.

Nakanishi’s review of the four human Argonautes summarizes that AGO4 loaded with miR-3191–5p binds the IRES of CACNA1A bicistronic mRNA and inhibits recruitment of initiation factors eIF4AII and eIF4GII. In the cited example, both AGO2 and AGO4 load miR-3191–5p, but only AGO4-RISC suppresses the IRES-driven translation arm. (nakanishi2022anatomyoffour pages 8-9, nakanishi2022anatomyoffour pages 9-10)

This links AGO4 to translation initiation control rather than the canonical miRNA model focused on 3′UTR seed targeting. (nakanishi2022anatomyoffour pages 8-9)

3) Biological processes and pathways involving AGO4

3.1 Mammalian antiviral defense (innate immunity intersection)

The strongest primary evidence for a nonredundant AGO4 biological role in the retrieved corpus is mammalian antiviral defense.

Adiliaghdam et al. (Cell Reports, Feb 11 2020, https://doi.org/10.1016/j.celrep.2020.01.021) show:
- Cellular phenotypes: Ago4-deficient macrophages/dendritic cells/MEFs show increased susceptibility to multiple RNA viruses and higher viral readouts. (adiliaghdam2020arequirementfor pages 4-5, adiliaghdam2020arequirementfor pages 8-10)
- IFN axis modulation: Ago4 deficiency reduces IFN-β induction, but antiviral restriction by AGO4 also persists when IFN signaling is blocked, implying IFN-dependent and IFN-independent components. (adiliaghdam2020arequirementfor pages 4-5, adiliaghdam2020arequirementfor pages 1-3)
- RLR/MAVS additivity: AGO4 and MAVS contribute independently/additively; double deficiency increases virus levels more than either single deficiency. (adiliaghdam2020arequirementfor pages 6-7)
- Small-RNA signatures: AGO-loaded influenza-derived RNAs (including canonical 21–23 nt vsiRNA-like species) are diminished in Ago4-deficient cells, supporting a role for AGO4 in generating/stabilizing AGO–viral RNA complexes in antiviral RNAi-like responses. (adiliaghdam2020arequirementfor pages 1-3, adiliaghdam2020arequirementfor pages 7-8)

This places AGO4 at an interface between small-RNA biology and innate antiviral pathways, a topic with active debate in mammalian systems.

3.2 Current expert framing (2023–2024): antiviral RNAi remains context-dependent

A 2023 expert review on mammalian antiviral RNAi highlights that antiviral RNAi can operate in certain mammalian contexts and that its importance in differentiated cells has been debated, in part due to mutual inhibition between interferon and antiviral RNAi. It emphasizes the need for more in vivo models and cites developments such as probing antiviral RNAi with inhibitors of viral suppressors of RNAi and detecting vsiRNAs in extracellular vesicles in serum of infected mice. (anobile2023rnainterferencean pages 1-6)

Together with the 2020 AGO4 knockout evidence, this supports a “context-dependent antiviral RNAi” view rather than a universally dominant pathway in all mammalian cells.

Nakanishi (2022) summarizes that N-terminal regions of AGO4 serve as a DNMT3A-binding site, suggesting a physical connection between AGO4 and DNA methylation machinery (and therefore potential nuclear/epigenetic roles). (nakanishi2022anatomyoffour pages 9-10)

This is not yet equivalent to a fully mapped AGO4-dependent epigenetic pathway in human cells, but it is a concrete interaction hypothesis that aligns with non-canonical AGO functions being explored across paralogs. (nakanishi2022anatomyoffour pages 9-10)

4) Subcellular localization (where AGO4 acts)

4.1 Cytoplasmic miRISC-associated localization (inferred)

Human AGO4 participates in RISC biology that is widely considered cytoplasmic in canonical miRNA repression models, and Nakanishi (2022) lists AGO4 interactions with TNRC6A and DDX6, factors strongly associated with cytoplasmic miRISC effector function and processing bodies (P-bodies). This supports cytoplasmic miRISC/P-body-associated localization as a plausible site of action. (nakanishi2022anatomyoffour pages 9-10)

Additionally, AGO4’s summarized role in regulating translation initiation factor recruitment to an IRES is mechanistically consistent with cytoplasmic translation regulation. (nakanishi2022anatomyoffour pages 8-9)

4.2 Nuclear germline localization: evidence is primarily mouse

A frequently cited AGO4 nuclear localization is in male germ cells during meiosis, with accumulation in the sex body of pachytene spermatocytes. In the retrieved corpus, this localization evidence is mouse-focused (and includes a non-peer-reviewed preprint-like source), so it should be interpreted as mammalian (not human-somatic) localization evidence. (pantazopoulou2020fromtheargonauts pages 14-16, hilz2016elucidatingrolesfor pages 137-143)

5) Disease relevance and associations

5.1 Influenza susceptibility (in vivo functional evidence)

In vivo, Ago4−/− mice infected with influenza show more severe disease phenotypes including increased weight loss and higher viral burden metrics (BALF titers, lung viral RNA), providing disease-relevant evidence that AGO4 contributes to influenza control. (adiliaghdam2020arequirementfor pages 8-10, adiliaghdam2020arequirementfor media 33974f64)

5.2 Neurological disease relevance through AGO4-regulated IRES translation target

The AGO4-specific IRES regulation described above is linked to spinocerebellar ataxia type 6 (SCA6) through the CACNA1A bicistronic transcript and its polyglutamine repeat context, as summarized in the Nakanishi 2022 review (this is mechanistic/target-linked relevance, not necessarily genetic association of AGO4 variants with SCA6). (nakanishi2022anatomyoffour pages 8-9, nakanishi2022anatomyoffour pages 9-10)

5.3 Human disease association statistics (database-level, hypothesis generating)

Open Targets (target ENSG00000134698; https://platform.opentargets.org/target/ENSG00000134698) lists AGO4 associations with azoospermia, influenza, cancer, schizophrenia, and partial chromosome Y deletion, each shown with evidence counts (5 in the retrieved snapshot) and modest association scores. These are aggregated association signals rather than causal proof and should be used to prioritize follow-up. (adiliaghdam2020arequirementfor media 33974f64)

6) Recent developments (prioritizing 2023–2024)

6.1 2024 structural/mechanistic synthesis of slicing and guide rules (context)

A 2024 JBC review reframes Argonaute slicing as essential in specific vertebrate contexts and emphasizes distinctions in catalytic activation mechanisms and target specificity rules, consolidating modern structural interpretation of how Argonautes decide between slicing vs non-slicing outcomes. This advances the conceptual background for interpreting paralog specialization including AGO4. (nakanishi2024whenargonautetakes pages 1-3)

6.2 2023 debate and methodological advances in mammalian antiviral RNAi

A 2023 review highlights that antiviral RNAi in mammals is debated, and points to in vivo approaches and tools (e.g., inhibitors of viral suppressors of RNAi; extracellular vesicle vsiRNA detection) as enabling technologies for resolving the contribution of antiviral RNAi at the organism level. (anobile2023rnainterferencean pages 1-6)

6.3 2024 quantitative kinetics for slicing (AGO2-focused, informs tool design)

A 2024 preprint (bioRxiv, June 20 2024; https://doi.org/10.1101/2023.10.15.562437) reports that guide sequence can alter slicing rates by >250-fold, and mismatch tolerance by ~600-fold, with implications for RNAi reagent potency. This is primarily AGO2 research and thus indirectly relevant to AGO4 (context for slicer vs non-slicer specialization and for applications), rather than direct AGO4 evidence. (wang2024theguidernasequence pages 1-3)

7) Applications and real-world implementations

7.1 RNAi therapeutics and the importance of Argonaute rules (context)

Argonaute-mediated slicing is central to synthetic siRNA knockdown and therapeutic RNAi; thus, mechanistic advances (guide sequence effects on slicing kinetics and mismatch tolerance) inform siRNA design and predictability of knockdown. Although AGO4 is not the canonical slicer used for therapeutic siRNAs, understanding paralog behavior and RISC assembly constraints remains important to avoid off-target or context-specific effects. (wang2024theguidernasequence pages 1-3, nakanishi2016anatomyofrisc pages 1-2)

7.2 Antiviral strategies (conceptual)

The AGO4 requirement in influenza control (in vivo) supports the idea that tuning the balance between interferon-based immunity and small-RNA–based restriction could be therapeutically relevant, but the field remains cautious because mammalian antiviral RNAi is context-dependent and debated. (adiliaghdam2020arequirementfor pages 8-10, anobile2023rnainterferencean pages 1-6)

8) Statistics and quantitative data (from retrieved sources)

8.1 Study design and significance reporting for AGO4 antiviral phenotypes

Adiliaghdam et al. report experiments performed as three biological replicates, each in triplicate, with SEM error bars and standard significance thresholds (p<0.05, <0.01, <0.001) using unpaired t-tests or ANOVA with Bonferroni correction. Multiple quantitative endpoints are used, including viral titers by plaque assay, viral RNA by qPCR, and Flu-GFP infection percentages in flow cytometry. (adiliaghdam2020arequirementfor pages 6-7, adiliaghdam2020arequirementfor pages 5-6)

Because the numerical titer values and fold-changes are presented graphically, precise fold-change extraction requires full numeric table access; however, the directionality and significance are clear, and figure panels explicitly show higher viral load in Ago4−/− mice. (adiliaghdam2020arequirementfor media 33974f64)

8.2 Database association statistics

Open Targets association snapshot provides evidence counts (n=5 evidences) and association scores (e.g., cancer score ~0.466; influenza score ~0.062; azoospermia score ~0.092 in the retrieved JSON) for AGO4, useful for prioritization but not causal inference. (adiliaghdam2020arequirementfor media 33974f64)

9) Evidence summary table (curated)

Functional aspect Key findings Evidence type (review vs primary; assay type) Source (first author year journal) URL Pub date
Molecular function Human AGO4 is one of four AGO paralogs in RISC; AGOs bind small RNAs, retain the guide strand, and recruit silencing machinery. RISC loading requires Hsc70/Hsp90 chaperones; AGO architecture includes N, PAZ, MID, and PIWI domains. Relevant as foundational context for AGO4 function, but not AGO4-specific biochemical proof. (nakanishi2016anatomyofrisc pages 1-2, nakanishi2022anatomyoffour pages 1-2) Review; structural/mechanistic synthesis of RISC assembly and chaperone-assisted loading Nakanishi 2016 WIREs RNA https://doi.org/10.1002/wrna.1356 May 2016
Molecular function / catalytic status Comparative review of the four human AGOs: most miRNAs are shared across paralogs; AGO2 is the best-established slicer, AGO3 can be slicer-competent under some conditions, whereas AGO4 is generally treated as non-canonical/non-classical slicer in most functional settings. Also summarizes AGO4-specific insertion/features and paralog differences. (nakanishi2022anatomyoffour pages 1-2, nakanishi2024whenargonautetakes pages 12-13) Review; comparative structural and mechanistic analysis Nakanishi 2024 J Biol Chem https://doi.org/10.1016/j.jbc.2023.105499 Jan 2024
Molecular function / small-RNA loading Human non-slicer AGOs, including AGO4, can undergo slicer-independent strand separation during RISC assembly at physiological temperature; helps explain why siRNAs/miRNAs can be found across all four human AGOs. (nakanishi2022anatomyoffour pages 1-2) Primary; biochemical RISC assembly/unwinding assays Park 2015 Nucleic Acids Res https://doi.org/10.1093/nar/gkv937 Sep 2015
Molecular function / catalytic status AGO3 was shown to have guide-dependent slicer activity, whereas AGO1 and AGO4 were described as slicer-independent effectors that typically mediate translational repression/deadenylation rather than target cleavage. Useful negative comparator for AGO4. (park2017humanargonaute3has pages 1-1) Primary; recombinant AGO cleavage assays and structure Park 2017 Nucleic Acids Res https://doi.org/10.1093/nar/gkx916 Oct 2017
Molecular function / translation control AGO4 loads miR-3191-5p and, unlike AGO2 in the cited example, AGO4-RISC represses IRES-driven translation of CACNA1A bicistronic mRNA by interfering with initiation-factor recruitment. This supports a non-canonical translational repression role for human AGO4. (nakanishi2022anatomyoffour pages 9-10, nakanishi2022anatomyoffour pages 8-9) Review summarizing primary functional studies; translational regulation evidence Nakanishi 2022 Nucleic Acids Res https://doi.org/10.1093/nar/gkac519 Jun 2022
Pathway or process / chromatin-linked interaction Nakanishi 2022 also notes the N-terminal region of AGO4 as a DNMT3A-binding site and lists interactions with TNRC6A and DDX6, linking AGO4 to both chromatin-related and canonical miRISC/P-body-associated effector networks. (nakanishi2022anatomyoffour pages 9-10) Review summarizing structural/interaction studies Nakanishi 2022 Nucleic Acids Res https://doi.org/10.1093/nar/gkac519 Jun 2022
Pathway or process / antiviral defense AGO4 has a nonredundant antiviral role in mammalian innate immunity: Ago4-deficient immune cells are hyper-susceptible to RNA viruses; AGO4 promotes IFN-β responses but also restricts virus when IFN signaling is blocked, supporting both IFN-dependent and IFN-independent activity. AGO4 loss reduces AGO-loaded viral small RNAs/vsiRNAs. (adiliaghdam2020arequirementfor pages 1-3, adiliaghdam2020arequirementfor pages 4-5) Primary; knockout macrophages/DCs/MEFs, viral infection assays, qPCR, plaque assays, small-RNA profiling Adiliaghdam 2020 Cell Reports https://doi.org/10.1016/j.celrep.2020.01.021 Feb 2020
Disease relevance / in vivo phenotype In influenza-infected mice, Ago4 deficiency worsens disease with greater weight loss, higher BALF viral titers, higher lung viral RNA/protein, and worse pathology, supporting physiological antiviral importance. Figure-based evidence available. (adiliaghdam2020arequirementfor pages 8-10, adiliaghdam2020arequirementfor media 33974f64) Primary; mouse knockout infection model, plaque assay, pathology, in vivo viral burden Adiliaghdam 2020 Cell Reports https://doi.org/10.1016/j.celrep.2020.01.021 Feb 2020
Localization Human-focused sources imply cytoplasmic/P-body-associated and possibly nuclear-linked functions through interactions with TNRC6A/DDX6 and DNMT3A, but the cited Nakanishi 2022 excerpt does not itself show direct microscopy/fractionation for human AGO4 localization. (nakanishi2022anatomyoffour pages 9-10) Review; indirect interaction-based localization inference Nakanishi 2022 Nucleic Acids Res https://doi.org/10.1093/nar/gkac519 Jun 2022
Localization / notes on species AGO4 has been reported to localize to the nucleus/sex body of pachytene spermatocytes during meiotic prophase I in mammals, supporting roles in meiotic sex chromosome silencing; however, this evidence is from mouse germline studies and should not be overextended to general human somatic localization. (pantazopoulou2020fromtheargonauts pages 14-16, hilz2016elucidatingrolesfor pages 137-143) Review plus primary microscopy in mouse germ cells; immunofluorescence/chromosome spreads Pantazopoulou 2020 Int J Mol Sci https://doi.org/10.3390/ijms21114007 Jun 2020
Notes on species / target verification Human AGO4 belongs to the AGO subfamily with canonical N/MID/PAZ/PIWI organization and high homology to other human AGOs. Some AGO4 literature refers to mouse germline or plant AGO systems; those data are mechanistically informative but not direct evidence for human AGO4 biology. (adiliaghdam2020arequirementfor pages 1-3, pantazopoulou2020fromtheargonauts pages 1-3, nakanishi2022anatomyoffour pages 1-2) Mixed review/primary context; species-disambiguation note Pantazopoulou 2020 Int J Mol Sci; Adiliaghdam 2020 Cell Reports https://doi.org/10.3390/ijms21114007 ; https://doi.org/10.1016/j.celrep.2020.01.021 Jun 2020; Feb 2020
Disease relevance / database context Open Targets lists AGO4 associations with azoospermia, influenza, cancer, schizophrenia, and partial chromosome Y deletion. These are database-level associations and should be treated as hypothesis-generating context rather than direct proof of causal human AGO4 function in each disease. (adiliaghdam2020arequirementfor media 33974f64) Curated database context; target–disease association aggregation Open Targets Platform (AGO4 target page context) https://platform.opentargets.org/target/ENSG00000134698 Accessed in current tool session

Table: This table summarizes curated literature and database evidence relevant to functional annotation of human AGO4/EIF2C4 (UniProt Q9HCK5). It distinguishes direct primary findings from review-level context and flags mouse-only or database-only evidence to avoid overclaiming.

10) Key figure evidence (in vivo antiviral phenotype)

A cropped figure from Adiliaghdam et al. shows increased weight loss and higher influenza burden readouts in Ago4−/− mice during infection, supporting AGO4’s physiological role in antiviral defense. (adiliaghdam2020arequirementfor media 33974f64)

11) Conclusions (expert synthesis)

Human AGO4 (EIF2C4; UniProt Q9HCK5) is best supported (in the retrieved literature set) as a small-RNA-binding Argonaute paralog that contributes to gene regulation largely through non-slicing mechanisms, with two prominent, evidence-backed functional themes: (i) non-canonical translational repression in an IRES-dependent context (CACNA1A, miR-3191–5p) and (ii) a nonredundant antiviral role in mammals, integrating with (but not reducible to) interferon pathways and associated with AGO-loaded viral small RNAs. (nakanishi2022anatomyoffour pages 8-9, adiliaghdam2020arequirementfor pages 1-3)

The most current (2023–2024) authoritative sources primarily provide mechanistic synthesis and highlight active controversies and enabling methods in mammalian antiviral RNAi; comparatively fewer 2023–2024 primary studies directly dissect human AGO4 in diverse tissues, leaving AGO4 specialization an important target for further focused experimentation. (nakanishi2024whenargonautetakes pages 1-3, anobile2023rnainterferencean pages 1-6)

References

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  5. (wang2024theguidernasequence pages 1-3): Peter Y. Wang and David P. Bartel. The guide-rna sequence dictates the slicing kinetics and conformational dynamics of the argonaute silencing complex. Molecular Cell, 84:2918-2934.e11, Aug 2024. URL: https://doi.org/10.1016/j.molcel.2024.06.026, doi:10.1016/j.molcel.2024.06.026. This article has 20 citations and is from a highest quality peer-reviewed journal.

  6. (pantazopoulou2020fromtheargonauts pages 1-3): Vasiliki I. Pantazopoulou, Stella Georgiou, Panos Kakoulidis, Stavroula N. Giannakopoulou, Sofia Tseleni, Dimitrios J. Stravopodis, and Ema Anastasiadou. From the argonauts mythological sailors to the argonautes rna-silencing navigators: their emerging roles in human-cell pathologies. International Journal of Molecular Sciences, 21:4007, Jun 2020. URL: https://doi.org/10.3390/ijms21114007, doi:10.3390/ijms21114007. This article has 23 citations.

  7. (carvalho2019studyofhuman pages 27-29): MNCRR Carvalho. Study of human argonaute 1 cap-independent translation. Unknown journal, 2019.

  8. (park2017humanargonaute3has pages 1-1): Mi Seul Park, Hong-Duc Phan, Florian Busch, Samantha H. Hinckley, James A. Brackbill, Vicki H. Wysocki, and Kotaro Nakanishi. Human argonaute3 has slicer activity. Nucleic Acids Research, 45:11867-11877, Oct 2017. URL: https://doi.org/10.1093/nar/gkx916, doi:10.1093/nar/gkx916. This article has 148 citations and is from a highest quality peer-reviewed journal.

  9. (adiliaghdam2020arequirementfor pages 7-8): Fatemeh Adiliaghdam, Megha Basavappa, Tahnee L. Saunders, Dewi Harjanto, John T. Prior, D. Alexander Cronkite, Nina Papavasiliou, and Kate L. Jeffrey. A requirement for argonaute 4 in mammalian antiviral defense. Cell reports, 30:1690-1701.e4, Feb 2020. URL: https://doi.org/10.1016/j.celrep.2020.01.021, doi:10.1016/j.celrep.2020.01.021. This article has 49 citations and is from a highest quality peer-reviewed journal.

  10. (nakanishi2024whenargonautetakes pages 1-3): Kotaro Nakanishi. When argonaute takes out the ribonuclease sword. Journal of Biological Chemistry, 300:105499, Jan 2024. URL: https://doi.org/10.1016/j.jbc.2023.105499, doi:10.1016/j.jbc.2023.105499. This article has 25 citations and is from a domain leading peer-reviewed journal.

  11. (nakanishi2022anatomyoffour pages 8-9): Kotaro Nakanishi. Anatomy of four human argonaute proteins. Nucleic Acids Research, 50:6618-6638, Jun 2022. URL: https://doi.org/10.1093/nar/gkac519, doi:10.1093/nar/gkac519. This article has 127 citations and is from a highest quality peer-reviewed journal.

  12. (nakanishi2022anatomyoffour pages 9-10): Kotaro Nakanishi. Anatomy of four human argonaute proteins. Nucleic Acids Research, 50:6618-6638, Jun 2022. URL: https://doi.org/10.1093/nar/gkac519, doi:10.1093/nar/gkac519. This article has 127 citations and is from a highest quality peer-reviewed journal.

  13. (adiliaghdam2020arequirementfor pages 4-5): Fatemeh Adiliaghdam, Megha Basavappa, Tahnee L. Saunders, Dewi Harjanto, John T. Prior, D. Alexander Cronkite, Nina Papavasiliou, and Kate L. Jeffrey. A requirement for argonaute 4 in mammalian antiviral defense. Cell reports, 30:1690-1701.e4, Feb 2020. URL: https://doi.org/10.1016/j.celrep.2020.01.021, doi:10.1016/j.celrep.2020.01.021. This article has 49 citations and is from a highest quality peer-reviewed journal.

  14. (adiliaghdam2020arequirementfor pages 8-10): Fatemeh Adiliaghdam, Megha Basavappa, Tahnee L. Saunders, Dewi Harjanto, John T. Prior, D. Alexander Cronkite, Nina Papavasiliou, and Kate L. Jeffrey. A requirement for argonaute 4 in mammalian antiviral defense. Cell reports, 30:1690-1701.e4, Feb 2020. URL: https://doi.org/10.1016/j.celrep.2020.01.021, doi:10.1016/j.celrep.2020.01.021. This article has 49 citations and is from a highest quality peer-reviewed journal.

  15. (adiliaghdam2020arequirementfor pages 6-7): Fatemeh Adiliaghdam, Megha Basavappa, Tahnee L. Saunders, Dewi Harjanto, John T. Prior, D. Alexander Cronkite, Nina Papavasiliou, and Kate L. Jeffrey. A requirement for argonaute 4 in mammalian antiviral defense. Cell reports, 30:1690-1701.e4, Feb 2020. URL: https://doi.org/10.1016/j.celrep.2020.01.021, doi:10.1016/j.celrep.2020.01.021. This article has 49 citations and is from a highest quality peer-reviewed journal.

  16. (anobile2023rnainterferencean pages 1-6): Dario Pasquale Anobile and Enzo Z. Poirier. Rna interference, an emerging component of antiviral immunity in mammals. Biochemical Society transactions, 51:137-146, Jan 2023. URL: https://doi.org/10.1042/bst20220385, doi:10.1042/bst20220385. This article has 12 citations and is from a peer-reviewed journal.

  17. (pantazopoulou2020fromtheargonauts pages 14-16): Vasiliki I. Pantazopoulou, Stella Georgiou, Panos Kakoulidis, Stavroula N. Giannakopoulou, Sofia Tseleni, Dimitrios J. Stravopodis, and Ema Anastasiadou. From the argonauts mythological sailors to the argonautes rna-silencing navigators: their emerging roles in human-cell pathologies. International Journal of Molecular Sciences, 21:4007, Jun 2020. URL: https://doi.org/10.3390/ijms21114007, doi:10.3390/ijms21114007. This article has 23 citations.

  18. (hilz2016elucidatingrolesfor pages 137-143): Stephanie Renee Hilz. Elucidating roles for ago-associated small rnas in male mammalian meiosis using integrative transcriptome profiling. ArXiv, Aug 2016. URL: https://doi.org/10.7298/x4zc80tj, doi:10.7298/x4zc80tj. This article has 0 citations.

  19. (adiliaghdam2020arequirementfor media 33974f64): Fatemeh Adiliaghdam, Megha Basavappa, Tahnee L. Saunders, Dewi Harjanto, John T. Prior, D. Alexander Cronkite, Nina Papavasiliou, and Kate L. Jeffrey. A requirement for argonaute 4 in mammalian antiviral defense. Cell reports, 30:1690-1701.e4, Feb 2020. URL: https://doi.org/10.1016/j.celrep.2020.01.021, doi:10.1016/j.celrep.2020.01.021. This article has 49 citations and is from a highest quality peer-reviewed journal.

  20. (adiliaghdam2020arequirementfor pages 5-6): Fatemeh Adiliaghdam, Megha Basavappa, Tahnee L. Saunders, Dewi Harjanto, John T. Prior, D. Alexander Cronkite, Nina Papavasiliou, and Kate L. Jeffrey. A requirement for argonaute 4 in mammalian antiviral defense. Cell reports, 30:1690-1701.e4, Feb 2020. URL: https://doi.org/10.1016/j.celrep.2020.01.021, doi:10.1016/j.celrep.2020.01.021. This article has 49 citations and is from a highest quality peer-reviewed journal.

  21. (nakanishi2024whenargonautetakes pages 12-13): Kotaro Nakanishi. When argonaute takes out the ribonuclease sword. Journal of Biological Chemistry, 300:105499, Jan 2024. URL: https://doi.org/10.1016/j.jbc.2023.105499, doi:10.1016/j.jbc.2023.105499. This article has 25 citations and is from a domain leading peer-reviewed journal.

Citations

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  2. arribashernandez2016thesliceractivity pages 1-4
  3. nakanishi2022anatomyoffour pages 1-2
  4. adiliaghdam2020arequirementfor pages 7-8
  5. nakanishi2024whenargonautetakes pages 1-3
  6. nakanishi2022anatomyoffour pages 8-9
  7. adiliaghdam2020arequirementfor pages 6-7
  8. anobile2023rnainterferencean pages 1-6
  9. nakanishi2022anatomyoffour pages 9-10
  10. wang2024theguidernasequence pages 1-3
  11. nakanishi2016anatomyofrisc pages 1-2
  12. pantazopoulou2020fromtheargonauts pages 1-3
  13. carvalho2019studyofhuman pages 27-29
  14. adiliaghdam2020arequirementfor pages 4-5
  15. adiliaghdam2020arequirementfor pages 8-10
  16. pantazopoulou2020fromtheargonauts pages 14-16
  17. hilz2016elucidatingrolesfor pages 137-143
  18. adiliaghdam2020arequirementfor pages 5-6
  19. nakanishi2024whenargonautetakes pages 12-13
  20. open
  21. https://doi.org/10.1016/j.celrep.2020.01.021
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  39. https://doi.org/10.7298/x4zc80tj,

📄 View Raw YAML

id: Q9HCK5
gene_symbol: AGO4
product_type: PROTEIN
status: COMPLETE
taxon:
  id: NCBITaxon:9606
  label: Homo sapiens
description: 'AGO4 encodes human Argonaute-4, a small-RNA-binding Argonaute paralog that contributes to
  RISC-mediated gene regulation primarily through non-slicing mechanisms. Evidence supports miRNA/RISC-associated
  translational repression, cytoplasmic miRISC/P-body-associated function, and a non-core mammalian antiviral
  role rather than canonical AGO2-like slicing.'
existing_annotations:
- term:
    id: GO:0005634
    label: nucleus
  evidence_type: IBA
  original_reference_id: GO_REF:0000033
  review:
    summary: nucleus is a plausible or reported location/context but is not the core functional site
      annotation for AGO4.
    action: KEEP_AS_NON_CORE
    reason: The core location is cytoplasmic RISC/RNP granules; nuclear, membrane, synaptic,
      exosomal, or other compartment annotations should remain non-core unless tied to a specific
      curated mechanism.
    supported_by:
    - reference_id: file:human/AGO4/AGO4-deep-research-falcon.md
      supporting_text: Human AGO4 (EIF2C4; UniProt Q9HCK5) is best supported (in the retrieved
        literature set) as a **small-RNA-binding Argonaute paralog** that contributes to gene
        regulation largely through **non-slicing mechanisms**
- term:
    id: GO:0005737
    label: cytoplasm
  evidence_type: IBA
  original_reference_id: GO_REF:0000033
  review:
    summary: cytoplasm is consistent with AGO4 as a small-RNA-loaded Argonaute/RISC effector.
    action: ACCEPT
    reason: The falcon report supports AGO4 function in miRISC-mediated small-RNA-guided repression
      and related RISC complexes or cytoplasmic RNP compartments.
    supported_by:
    - reference_id: file:human/AGO4/AGO4-deep-research-falcon.md
      supporting_text: Human AGO4 (EIF2C4; UniProt Q9HCK5) is best supported (in the retrieved
        literature set) as a **small-RNA-binding Argonaute paralog** that contributes to gene
        regulation largely through **non-slicing mechanisms**
- term:
    id: GO:0004521
    label: RNA endonuclease activity
  evidence_type: IBA
  original_reference_id: GO_REF:0000033
  review:
    summary: RNA endonuclease activity is not supported as a physiological activity for AGO4.
    action: REMOVE
    reason: AGO4 is best supported as a non-slicing Argonaute paralog; assigning RNA endonuclease
      activity would overstate AGO2-like catalytic function.
    supported_by:
    - reference_id: file:human/AGO4/AGO4-deep-research-falcon.md
      supporting_text: Human AGO4 (EIF2C4; UniProt Q9HCK5) is best supported (in the retrieved
        literature set) as a **small-RNA-binding Argonaute paralog** that contributes to gene
        regulation largely through **non-slicing mechanisms**
- term:
    id: GO:0035194
    label: regulatory ncRNA-mediated post-transcriptional gene silencing
  evidence_type: IBA
  original_reference_id: GO_REF:0000033
  review:
    summary: regulatory ncRNA-mediated post-transcriptional gene silencing is consistent with AGO4
      as a small-RNA-loaded Argonaute/RISC effector.
    action: ACCEPT
    reason: The falcon report supports AGO4 function in miRISC-mediated small-RNA-guided repression
      and related RISC complexes or cytoplasmic RNP compartments.
    supported_by:
    - reference_id: file:human/AGO4/AGO4-deep-research-falcon.md
      supporting_text: Human AGO4 (EIF2C4; UniProt Q9HCK5) is best supported (in the retrieved
        literature set) as a **small-RNA-binding Argonaute paralog** that contributes to gene
        regulation largely through **non-slicing mechanisms**
- term:
    id: GO:0016442
    label: RISC complex
  evidence_type: IBA
  original_reference_id: GO_REF:0000033
  review:
    summary: RISC complex is consistent with AGO4 as a small-RNA-loaded Argonaute/RISC effector.
    action: ACCEPT
    reason: The falcon report supports AGO4 function in miRISC-mediated small-RNA-guided repression
      and related RISC complexes or cytoplasmic RNP compartments.
    supported_by:
    - reference_id: file:human/AGO4/AGO4-deep-research-falcon.md
      supporting_text: Human AGO4 (EIF2C4; UniProt Q9HCK5) is best supported (in the retrieved
        literature set) as a **small-RNA-binding Argonaute paralog** that contributes to gene
        regulation largely through **non-slicing mechanisms**
- term:
    id: GO:0036464
    label: cytoplasmic ribonucleoprotein granule
  evidence_type: IBA
  original_reference_id: GO_REF:0000033
  review:
    summary: cytoplasmic ribonucleoprotein granule is consistent with AGO4 as a small-RNA-loaded
      Argonaute/RISC effector.
    action: ACCEPT
    reason: The falcon report supports AGO4 function in miRISC-mediated small-RNA-guided repression
      and related RISC complexes or cytoplasmic RNP compartments.
    supported_by:
    - reference_id: file:human/AGO4/AGO4-deep-research-falcon.md
      supporting_text: Human AGO4 (EIF2C4; UniProt Q9HCK5) is best supported (in the retrieved
        literature set) as a **small-RNA-binding Argonaute paralog** that contributes to gene
        regulation largely through **non-slicing mechanisms**
- term:
    id: GO:0031054
    label: pre-miRNA processing
  evidence_type: IBA
  original_reference_id: GO_REF:0000033
  review:
    summary: pre-miRNA processing overstates the direct role of AGO4 in canonical miRNA biogenesis.
    action: MARK_AS_OVER_ANNOTATED
    reason: The better-supported role is as a loaded Argonaute effector after small-RNA processing,
      not as the Drosha/Dicer processing enzyme for pre-miRNAs.
    supported_by:
    - reference_id: file:human/AGO4/AGO4-deep-research-falcon.md
      supporting_text: Human AGO4 (EIF2C4; UniProt Q9HCK5) is best supported (in the retrieved
        literature set) as a **small-RNA-binding Argonaute paralog** that contributes to gene
        regulation largely through **non-slicing mechanisms**
- term:
    id: GO:0035198
    label: miRNA binding
  evidence_type: IBA
  original_reference_id: GO_REF:0000033
  review:
    summary: miRNA binding is consistent with AGO4 as a small-RNA-loaded Argonaute/RISC effector.
    action: ACCEPT
    reason: The falcon report supports AGO4 function in miRISC-mediated small-RNA-guided repression
      and related RISC complexes or cytoplasmic RNP compartments.
    supported_by:
    - reference_id: file:human/AGO4/AGO4-deep-research-falcon.md
      supporting_text: Human AGO4 (EIF2C4; UniProt Q9HCK5) is best supported (in the retrieved
        literature set) as a **small-RNA-binding Argonaute paralog** that contributes to gene
        regulation largely through **non-slicing mechanisms**
- term:
    id: GO:0003727
    label: single-stranded RNA binding
  evidence_type: IBA
  original_reference_id: GO_REF:0000033
  review:
    summary: single-stranded RNA binding is too generic for AGO4.
    action: MARK_AS_OVER_ANNOTATED
    reason: The informative molecular function is Argonaute small-RNA/miRNA binding within RISC
      rather than a broad nucleic-acid or RNA-binding label.
    supported_by:
    - reference_id: file:human/AGO4/AGO4-deep-research-falcon.md
      supporting_text: Human AGO4 (EIF2C4; UniProt Q9HCK5) is best supported (in the retrieved
        literature set) as a **small-RNA-binding Argonaute paralog** that contributes to gene
        regulation largely through **non-slicing mechanisms**
- term:
    id: GO:0000932
    label: P-body
  evidence_type: IEA
  original_reference_id: GO_REF:0000120
  review:
    summary: P-body is consistent with AGO4 as a small-RNA-loaded Argonaute/RISC effector.
    action: ACCEPT
    reason: The falcon report supports AGO4 function in miRISC-mediated small-RNA-guided repression
      and related RISC complexes or cytoplasmic RNP compartments.
    supported_by:
    - reference_id: file:human/AGO4/AGO4-deep-research-falcon.md
      supporting_text: Human AGO4 (EIF2C4; UniProt Q9HCK5) is best supported (in the retrieved
        literature set) as a **small-RNA-binding Argonaute paralog** that contributes to gene
        regulation largely through **non-slicing mechanisms**
- term:
    id: GO:0003676
    label: nucleic acid binding
  evidence_type: IEA
  original_reference_id: GO_REF:0000002
  review:
    summary: nucleic acid binding is too generic for AGO4.
    action: MARK_AS_OVER_ANNOTATED
    reason: The informative molecular function is Argonaute small-RNA/miRNA binding within RISC
      rather than a broad nucleic-acid or RNA-binding label.
    supported_by:
    - reference_id: file:human/AGO4/AGO4-deep-research-falcon.md
      supporting_text: Human AGO4 (EIF2C4; UniProt Q9HCK5) is best supported (in the retrieved
        literature set) as a **small-RNA-binding Argonaute paralog** that contributes to gene
        regulation largely through **non-slicing mechanisms**
- term:
    id: GO:0003723
    label: RNA binding
  evidence_type: IEA
  original_reference_id: GO_REF:0000120
  review:
    summary: RNA binding is too generic for AGO4.
    action: MARK_AS_OVER_ANNOTATED
    reason: The informative molecular function is Argonaute small-RNA/miRNA binding within RISC
      rather than a broad nucleic-acid or RNA-binding label.
    supported_by:
    - reference_id: file:human/AGO4/AGO4-deep-research-falcon.md
      supporting_text: Human AGO4 (EIF2C4; UniProt Q9HCK5) is best supported (in the retrieved
        literature set) as a **small-RNA-binding Argonaute paralog** that contributes to gene
        regulation largely through **non-slicing mechanisms**
- term:
    id: GO:0003725
    label: double-stranded RNA binding
  evidence_type: IEA
  original_reference_id: GO_REF:0000117
  review:
    summary: double-stranded RNA binding is too generic for AGO4.
    action: MARK_AS_OVER_ANNOTATED
    reason: The informative molecular function is Argonaute small-RNA/miRNA binding within RISC
      rather than a broad nucleic-acid or RNA-binding label.
    supported_by:
    - reference_id: file:human/AGO4/AGO4-deep-research-falcon.md
      supporting_text: Human AGO4 (EIF2C4; UniProt Q9HCK5) is best supported (in the retrieved
        literature set) as a **small-RNA-binding Argonaute paralog** that contributes to gene
        regulation largely through **non-slicing mechanisms**
- term:
    id: GO:0003727
    label: single-stranded RNA binding
  evidence_type: IEA
  original_reference_id: GO_REF:0000117
  review:
    summary: single-stranded RNA binding is too generic for AGO4.
    action: MARK_AS_OVER_ANNOTATED
    reason: The informative molecular function is Argonaute small-RNA/miRNA binding within RISC
      rather than a broad nucleic-acid or RNA-binding label.
    supported_by:
    - reference_id: file:human/AGO4/AGO4-deep-research-falcon.md
      supporting_text: Human AGO4 (EIF2C4; UniProt Q9HCK5) is best supported (in the retrieved
        literature set) as a **small-RNA-binding Argonaute paralog** that contributes to gene
        regulation largely through **non-slicing mechanisms**
- term:
    id: GO:0016442
    label: RISC complex
  evidence_type: IEA
  original_reference_id: GO_REF:0000120
  review:
    summary: RISC complex is consistent with AGO4 as a small-RNA-loaded Argonaute/RISC effector.
    action: ACCEPT
    reason: The falcon report supports AGO4 function in miRISC-mediated small-RNA-guided repression
      and related RISC complexes or cytoplasmic RNP compartments.
    supported_by:
    - reference_id: file:human/AGO4/AGO4-deep-research-falcon.md
      supporting_text: Human AGO4 (EIF2C4; UniProt Q9HCK5) is best supported (in the retrieved
        literature set) as a **small-RNA-binding Argonaute paralog** that contributes to gene
        regulation largely through **non-slicing mechanisms**
- term:
    id: GO:0031054
    label: pre-miRNA processing
  evidence_type: IEA
  original_reference_id: GO_REF:0000117
  review:
    summary: pre-miRNA processing overstates the direct role of AGO4 in canonical miRNA biogenesis.
    action: MARK_AS_OVER_ANNOTATED
    reason: The better-supported role is as a loaded Argonaute effector after small-RNA processing,
      not as the Drosha/Dicer processing enzyme for pre-miRNAs.
    supported_by:
    - reference_id: file:human/AGO4/AGO4-deep-research-falcon.md
      supporting_text: Human AGO4 (EIF2C4; UniProt Q9HCK5) is best supported (in the retrieved
        literature set) as a **small-RNA-binding Argonaute paralog** that contributes to gene
        regulation largely through **non-slicing mechanisms**
- term:
    id: GO:0035198
    label: miRNA binding
  evidence_type: IEA
  original_reference_id: GO_REF:0000120
  review:
    summary: miRNA binding is consistent with AGO4 as a small-RNA-loaded Argonaute/RISC effector.
    action: ACCEPT
    reason: The falcon report supports AGO4 function in miRISC-mediated small-RNA-guided repression
      and related RISC complexes or cytoplasmic RNP compartments.
    supported_by:
    - reference_id: file:human/AGO4/AGO4-deep-research-falcon.md
      supporting_text: Human AGO4 (EIF2C4; UniProt Q9HCK5) is best supported (in the retrieved
        literature set) as a **small-RNA-binding Argonaute paralog** that contributes to gene
        regulation largely through **non-slicing mechanisms**
- term:
    id: GO:0035278
    label: miRNA-mediated gene silencing by inhibition of translation
  evidence_type: IEA
  original_reference_id: GO_REF:0000120
  review:
    summary: miRNA-mediated gene silencing by inhibition of translation is consistent with AGO4 as a
      small-RNA-loaded Argonaute/RISC effector.
    action: ACCEPT
    reason: The falcon report supports AGO4 function in miRISC-mediated small-RNA-guided repression
      and related RISC complexes or cytoplasmic RNP compartments.
    supported_by:
    - reference_id: file:human/AGO4/AGO4-deep-research-falcon.md
      supporting_text: Human AGO4 (EIF2C4; UniProt Q9HCK5) is best supported (in the retrieved
        literature set) as a **small-RNA-binding Argonaute paralog** that contributes to gene
        regulation largely through **non-slicing mechanisms**
- term:
    id: GO:0036464
    label: cytoplasmic ribonucleoprotein granule
  evidence_type: IEA
  original_reference_id: GO_REF:0000117
  review:
    summary: cytoplasmic ribonucleoprotein granule is consistent with AGO4 as a small-RNA-loaded
      Argonaute/RISC effector.
    action: ACCEPT
    reason: The falcon report supports AGO4 function in miRISC-mediated small-RNA-guided repression
      and related RISC complexes or cytoplasmic RNP compartments.
    supported_by:
    - reference_id: file:human/AGO4/AGO4-deep-research-falcon.md
      supporting_text: Human AGO4 (EIF2C4; UniProt Q9HCK5) is best supported (in the retrieved
        literature set) as a **small-RNA-binding Argonaute paralog** that contributes to gene
        regulation largely through **non-slicing mechanisms**
- term:
    id: GO:0070578
    label: RISC-loading complex
  evidence_type: IEA
  original_reference_id: GO_REF:0000117
  review:
    summary: RISC-loading complex is consistent with AGO4 as a small-RNA-loaded Argonaute/RISC
      effector.
    action: ACCEPT
    reason: The falcon report supports AGO4 function in miRISC-mediated small-RNA-guided repression
      and related RISC complexes or cytoplasmic RNP compartments.
    supported_by:
    - reference_id: file:human/AGO4/AGO4-deep-research-falcon.md
      supporting_text: Human AGO4 (EIF2C4; UniProt Q9HCK5) is best supported (in the retrieved
        literature set) as a **small-RNA-binding Argonaute paralog** that contributes to gene
        regulation largely through **non-slicing mechanisms**
- term:
    id: GO:0070922
    label: RISC complex assembly
  evidence_type: IEA
  original_reference_id: GO_REF:0000117
  review:
    summary: RISC complex assembly is consistent with AGO4 as a small-RNA-loaded Argonaute/RISC
      effector.
    action: ACCEPT
    reason: The falcon report supports AGO4 function in miRISC-mediated small-RNA-guided repression
      and related RISC complexes or cytoplasmic RNP compartments.
    supported_by:
    - reference_id: file:human/AGO4/AGO4-deep-research-falcon.md
      supporting_text: Human AGO4 (EIF2C4; UniProt Q9HCK5) is best supported (in the retrieved
        literature set) as a **small-RNA-binding Argonaute paralog** that contributes to gene
        regulation largely through **non-slicing mechanisms**
- term:
    id: GO:0005515
    label: protein binding
  evidence_type: IPI
  original_reference_id: PMID:19167051
  review:
    summary: Generic protein binding does not capture the specific Argonaute/RISC function.
    action: MARK_AS_OVER_ANNOTATED
    reason: The cited interactions are best interpreted as RISC/cofactor context for
      small-RNA-guided silencing, not as a standalone core function.
    supported_by:
    - reference_id: file:human/AGO4/AGO4-deep-research-falcon.md
      supporting_text: Human AGO4 (EIF2C4; UniProt Q9HCK5) is best supported (in the retrieved
        literature set) as a **small-RNA-binding Argonaute paralog** that contributes to gene
        regulation largely through **non-slicing mechanisms**
- term:
    id: GO:0005515
    label: protein binding
  evidence_type: IPI
  original_reference_id: PMID:19324964
  review:
    summary: Generic protein binding does not capture the specific Argonaute/RISC function.
    action: MARK_AS_OVER_ANNOTATED
    reason: The cited interactions are best interpreted as RISC/cofactor context for
      small-RNA-guided silencing, not as a standalone core function.
    supported_by:
    - reference_id: file:human/AGO4/AGO4-deep-research-falcon.md
      supporting_text: Human AGO4 (EIF2C4; UniProt Q9HCK5) is best supported (in the retrieved
        literature set) as a **small-RNA-binding Argonaute paralog** that contributes to gene
        regulation largely through **non-slicing mechanisms**
- term:
    id: GO:0005515
    label: protein binding
  evidence_type: IPI
  original_reference_id: PMID:19383768
  review:
    summary: Generic protein binding does not capture the specific Argonaute/RISC function.
    action: MARK_AS_OVER_ANNOTATED
    reason: The cited interactions are best interpreted as RISC/cofactor context for
      small-RNA-guided silencing, not as a standalone core function.
    supported_by:
    - reference_id: file:human/AGO4/AGO4-deep-research-falcon.md
      supporting_text: Human AGO4 (EIF2C4; UniProt Q9HCK5) is best supported (in the retrieved
        literature set) as a **small-RNA-binding Argonaute paralog** that contributes to gene
        regulation largely through **non-slicing mechanisms**
- term:
    id: GO:0005515
    label: protein binding
  evidence_type: IPI
  original_reference_id: PMID:33961781
  review:
    summary: Generic protein binding does not capture the specific Argonaute/RISC function.
    action: MARK_AS_OVER_ANNOTATED
    reason: The cited interactions are best interpreted as RISC/cofactor context for
      small-RNA-guided silencing, not as a standalone core function.
    supported_by:
    - reference_id: file:human/AGO4/AGO4-deep-research-falcon.md
      supporting_text: Human AGO4 (EIF2C4; UniProt Q9HCK5) is best supported (in the retrieved
        literature set) as a **small-RNA-binding Argonaute paralog** that contributes to gene
        regulation largely through **non-slicing mechanisms**
- term:
    id: GO:0005634
    label: nucleus
  evidence_type: IEA
  original_reference_id: GO_REF:0000107
  review:
    summary: nucleus is a plausible or reported location/context but is not the core functional site
      annotation for AGO4.
    action: KEEP_AS_NON_CORE
    reason: The core location is cytoplasmic RISC/RNP granules; nuclear, membrane, synaptic,
      exosomal, or other compartment annotations should remain non-core unless tied to a specific
      curated mechanism.
    supported_by:
    - reference_id: file:human/AGO4/AGO4-deep-research-falcon.md
      supporting_text: Human AGO4 (EIF2C4; UniProt Q9HCK5) is best supported (in the retrieved
        literature set) as a **small-RNA-binding Argonaute paralog** that contributes to gene
        regulation largely through **non-slicing mechanisms**
- term:
    id: GO:0035196
    label: miRNA processing
  evidence_type: NAS
  original_reference_id: PMID:28781232
  review:
    summary: miRNA processing overstates the direct role of AGO4 in canonical miRNA biogenesis.
    action: MARK_AS_OVER_ANNOTATED
    reason: The better-supported role is as a loaded Argonaute effector after small-RNA processing,
      not as the Drosha/Dicer processing enzyme for pre-miRNAs.
    supported_by:
    - reference_id: file:human/AGO4/AGO4-deep-research-falcon.md
      supporting_text: Human AGO4 (EIF2C4; UniProt Q9HCK5) is best supported (in the retrieved
        literature set) as a **small-RNA-binding Argonaute paralog** that contributes to gene
        regulation largely through **non-slicing mechanisms**
- term:
    id: GO:0036464
    label: cytoplasmic ribonucleoprotein granule
  evidence_type: IDA
  original_reference_id: GO_REF:0000052
  review:
    summary: cytoplasmic ribonucleoprotein granule is consistent with AGO4 as a small-RNA-loaded
      Argonaute/RISC effector.
    action: ACCEPT
    reason: The falcon report supports AGO4 function in miRISC-mediated small-RNA-guided repression
      and related RISC complexes or cytoplasmic RNP compartments.
    supported_by:
    - reference_id: file:human/AGO4/AGO4-deep-research-falcon.md
      supporting_text: Human AGO4 (EIF2C4; UniProt Q9HCK5) is best supported (in the retrieved
        literature set) as a **small-RNA-binding Argonaute paralog** that contributes to gene
        regulation largely through **non-slicing mechanisms**
- term:
    id: GO:0005515
    label: protein binding
  evidence_type: IPI
  original_reference_id: PMID:15766526
  review:
    summary: Generic protein binding does not capture the specific Argonaute/RISC function.
    action: MARK_AS_OVER_ANNOTATED
    reason: The cited interactions are best interpreted as RISC/cofactor context for
      small-RNA-guided silencing, not as a standalone core function.
    supported_by:
    - reference_id: file:human/AGO4/AGO4-deep-research-falcon.md
      supporting_text: Human AGO4 (EIF2C4; UniProt Q9HCK5) is best supported (in the retrieved
        literature set) as a **small-RNA-binding Argonaute paralog** that contributes to gene
        regulation largely through **non-slicing mechanisms**
- term:
    id: GO:0035196
    label: miRNA processing
  evidence_type: IMP
  original_reference_id: PMID:22795694
  review:
    summary: miRNA processing overstates the direct role of AGO4 in canonical miRNA biogenesis.
    action: MARK_AS_OVER_ANNOTATED
    reason: The better-supported role is as a loaded Argonaute effector after small-RNA processing,
      not as the Drosha/Dicer processing enzyme for pre-miRNAs.
    supported_by:
    - reference_id: file:human/AGO4/AGO4-deep-research-falcon.md
      supporting_text: Human AGO4 (EIF2C4; UniProt Q9HCK5) is best supported (in the retrieved
        literature set) as a **small-RNA-binding Argonaute paralog** that contributes to gene
        regulation largely through **non-slicing mechanisms**
- term:
    id: GO:0031054
    label: pre-miRNA processing
  evidence_type: IDA
  original_reference_id: PMID:19966796
  review:
    summary: pre-miRNA processing overstates the direct role of AGO4 in canonical miRNA biogenesis.
    action: MARK_AS_OVER_ANNOTATED
    reason: The better-supported role is as a loaded Argonaute effector after small-RNA processing,
      not as the Drosha/Dicer processing enzyme for pre-miRNAs.
    supported_by:
    - reference_id: file:human/AGO4/AGO4-deep-research-falcon.md
      supporting_text: Human AGO4 (EIF2C4; UniProt Q9HCK5) is best supported (in the retrieved
        literature set) as a **small-RNA-binding Argonaute paralog** that contributes to gene
        regulation largely through **non-slicing mechanisms**
- term:
    id: GO:0003725
    label: double-stranded RNA binding
  evidence_type: IDA
  original_reference_id: PMID:19966796
  review:
    summary: double-stranded RNA binding is too generic for AGO4.
    action: MARK_AS_OVER_ANNOTATED
    reason: The informative molecular function is Argonaute small-RNA/miRNA binding within RISC
      rather than a broad nucleic-acid or RNA-binding label.
    supported_by:
    - reference_id: file:human/AGO4/AGO4-deep-research-falcon.md
      supporting_text: Human AGO4 (EIF2C4; UniProt Q9HCK5) is best supported (in the retrieved
        literature set) as a **small-RNA-binding Argonaute paralog** that contributes to gene
        regulation largely through **non-slicing mechanisms**
- term:
    id: GO:0003727
    label: single-stranded RNA binding
  evidence_type: IDA
  original_reference_id: PMID:19966796
  review:
    summary: single-stranded RNA binding is too generic for AGO4.
    action: MARK_AS_OVER_ANNOTATED
    reason: The informative molecular function is Argonaute small-RNA/miRNA binding within RISC
      rather than a broad nucleic-acid or RNA-binding label.
    supported_by:
    - reference_id: file:human/AGO4/AGO4-deep-research-falcon.md
      supporting_text: Human AGO4 (EIF2C4; UniProt Q9HCK5) is best supported (in the retrieved
        literature set) as a **small-RNA-binding Argonaute paralog** that contributes to gene
        regulation largely through **non-slicing mechanisms**
- term:
    id: GO:0016442
    label: RISC complex
  evidence_type: IDA
  original_reference_id: PMID:19966796
  review:
    summary: RISC complex is consistent with AGO4 as a small-RNA-loaded Argonaute/RISC effector.
    action: ACCEPT
    reason: The falcon report supports AGO4 function in miRISC-mediated small-RNA-guided repression
      and related RISC complexes or cytoplasmic RNP compartments.
    supported_by:
    - reference_id: file:human/AGO4/AGO4-deep-research-falcon.md
      supporting_text: Human AGO4 (EIF2C4; UniProt Q9HCK5) is best supported (in the retrieved
        literature set) as a **small-RNA-binding Argonaute paralog** that contributes to gene
        regulation largely through **non-slicing mechanisms**
- term:
    id: GO:0070578
    label: RISC-loading complex
  evidence_type: IDA
  original_reference_id: PMID:19966796
  review:
    summary: RISC-loading complex is consistent with AGO4 as a small-RNA-loaded Argonaute/RISC
      effector.
    action: ACCEPT
    reason: The falcon report supports AGO4 function in miRISC-mediated small-RNA-guided repression
      and related RISC complexes or cytoplasmic RNP compartments.
    supported_by:
    - reference_id: file:human/AGO4/AGO4-deep-research-falcon.md
      supporting_text: Human AGO4 (EIF2C4; UniProt Q9HCK5) is best supported (in the retrieved
        literature set) as a **small-RNA-binding Argonaute paralog** that contributes to gene
        regulation largely through **non-slicing mechanisms**
- term:
    id: GO:0070922
    label: RISC complex assembly
  evidence_type: IDA
  original_reference_id: PMID:19966796
  review:
    summary: RISC complex assembly is consistent with AGO4 as a small-RNA-loaded Argonaute/RISC
      effector.
    action: ACCEPT
    reason: The falcon report supports AGO4 function in miRISC-mediated small-RNA-guided repression
      and related RISC complexes or cytoplasmic RNP compartments.
    supported_by:
    - reference_id: file:human/AGO4/AGO4-deep-research-falcon.md
      supporting_text: Human AGO4 (EIF2C4; UniProt Q9HCK5) is best supported (in the retrieved
        literature set) as a **small-RNA-binding Argonaute paralog** that contributes to gene
        regulation largely through **non-slicing mechanisms**
- term:
    id: GO:0090625
    label: siRNA-mediated gene silencing by mRNA destabilization
  evidence_type: IDA
  original_reference_id: PMID:15260970
  negated: true
  review:
    summary: This NOT annotation is appropriate; AGO4 is not the Argonaute paralog that mediates
      siRNA-guided target mRNA cleavage/destabilization in this study.
    action: ACCEPT
    reason: PMID:15260970 supports AGO4 association with small RNAs/RISC but shows that
      endonucleolytic target cleavage activity is associated with AGO2, not AGO4. AGO4's supported
      role should be distinguished from this negated AGO2-like target-cleavage annotation.
    supported_by:
    - reference_id: PMID:15260970
      supporting_text: Purification of the FLAG/HA-epitope-tagged Ago containing complexes from
        different human cell lines revealed that endonuclease activity is exclusively associated
        with Ago2.
    - reference_id: file:human/AGO4/AGO4-deep-research-falcon.md
      supporting_text: A long-standing view is that among the four human paralogs, **AGO2** is the
        canonical slicer (endonuclease), while **AGO1/AGO3/AGO4** primarily act through non-slicing
        mechanisms (translational repression, deadenylation).
- term:
    id: GO:0005737
    label: cytoplasm
  evidence_type: IDA
  original_reference_id: PMID:15260970
  review:
    summary: cytoplasm is consistent with AGO4 as a small-RNA-loaded Argonaute/RISC effector.
    action: ACCEPT
    reason: The falcon report supports AGO4 function in miRISC-mediated small-RNA-guided repression
      and related RISC complexes or cytoplasmic RNP compartments.
    supported_by:
    - reference_id: file:human/AGO4/AGO4-deep-research-falcon.md
      supporting_text: Human AGO4 (EIF2C4; UniProt Q9HCK5) is best supported (in the retrieved
        literature set) as a **small-RNA-binding Argonaute paralog** that contributes to gene
        regulation largely through **non-slicing mechanisms**
- term:
    id: GO:0016442
    label: RISC complex
  evidence_type: IDA
  original_reference_id: PMID:15260970
  review:
    summary: RISC complex is consistent with AGO4 as a small-RNA-loaded Argonaute/RISC effector.
    action: ACCEPT
    reason: The falcon report supports AGO4 function in miRISC-mediated small-RNA-guided repression
      and related RISC complexes or cytoplasmic RNP compartments.
    supported_by:
    - reference_id: file:human/AGO4/AGO4-deep-research-falcon.md
      supporting_text: Human AGO4 (EIF2C4; UniProt Q9HCK5) is best supported (in the retrieved
        literature set) as a **small-RNA-binding Argonaute paralog** that contributes to gene
        regulation largely through **non-slicing mechanisms**
- term:
    id: GO:0035198
    label: miRNA binding
  evidence_type: IDA
  original_reference_id: PMID:15260970
  review:
    summary: miRNA binding is consistent with AGO4 as a small-RNA-loaded Argonaute/RISC effector.
    action: ACCEPT
    reason: The falcon report supports AGO4 function in miRISC-mediated small-RNA-guided repression
      and related RISC complexes or cytoplasmic RNP compartments.
    supported_by:
    - reference_id: file:human/AGO4/AGO4-deep-research-falcon.md
      supporting_text: Human AGO4 (EIF2C4; UniProt Q9HCK5) is best supported (in the retrieved
        literature set) as a **small-RNA-binding Argonaute paralog** that contributes to gene
        regulation largely through **non-slicing mechanisms**
- term:
    id: GO:0035279
    label: miRNA-mediated gene silencing by mRNA destabilization
  evidence_type: IDA
  original_reference_id: PMID:15260970
  negated: true
  review:
    summary: This NOT annotation is appropriate; PMID:15260970 does not support assigning AGO4 to
      AGO2-like miRNA-guided target mRNA cleavage/destabilization.
    action: ACCEPT
    reason: AGO4 binds miRNAs and participates in RISC, but the cited work distinguishes that
      non-slicer role from AGO2-dependent target RNA cleavage. The NOT annotation should be retained
      rather than converted into a positive AGO4 mRNA-destabilization function.
    supported_by:
    - reference_id: PMID:15260970
      supporting_text: The specific role of Ago2 in guiding target RNA cleavage was confirmed
        independently by siRNA-based depletion of individual Ago members in combination with a
        sensitive positive-readout reporter assay.
    - reference_id: file:human/AGO4/AGO4-deep-research-falcon.md
      supporting_text: A long-standing view is that among the four human paralogs, **AGO2** is the
        canonical slicer (endonuclease), while **AGO1/AGO3/AGO4** primarily act through non-slicing
        mechanisms (translational repression, deadenylation).
- term:
    id: GO:0016020
    label: membrane
  evidence_type: HDA
  original_reference_id: PMID:19946888
  review:
    summary: membrane is a plausible or reported location/context but is not the core functional
      site annotation for AGO4.
    action: KEEP_AS_NON_CORE
    reason: The core location is cytoplasmic RISC/RNP granules; nuclear, membrane, synaptic,
      exosomal, or other compartment annotations should remain non-core unless tied to a specific
      curated mechanism.
    supported_by:
    - reference_id: file:human/AGO4/AGO4-deep-research-falcon.md
      supporting_text: Human AGO4 (EIF2C4; UniProt Q9HCK5) is best supported (in the retrieved
        literature set) as a **small-RNA-binding Argonaute paralog** that contributes to gene
        regulation largely through **non-slicing mechanisms**
- term:
    id: GO:0005829
    label: cytosol
  evidence_type: TAS
  original_reference_id: Reactome:R-HSA-1606561
  review:
    summary: cytosol is consistent with AGO4 as a small-RNA-loaded Argonaute/RISC effector.
    action: ACCEPT
    reason: The falcon report supports AGO4 function in miRISC-mediated small-RNA-guided repression
      and related RISC complexes or cytoplasmic RNP compartments.
    supported_by:
    - reference_id: file:human/AGO4/AGO4-deep-research-falcon.md
      supporting_text: Human AGO4 (EIF2C4; UniProt Q9HCK5) is best supported (in the retrieved
        literature set) as a **small-RNA-binding Argonaute paralog** that contributes to gene
        regulation largely through **non-slicing mechanisms**
- term:
    id: GO:0005829
    label: cytosol
  evidence_type: TAS
  original_reference_id: Reactome:R-HSA-1606682
  review:
    summary: cytosol is consistent with AGO4 as a small-RNA-loaded Argonaute/RISC effector.
    action: ACCEPT
    reason: The falcon report supports AGO4 function in miRISC-mediated small-RNA-guided repression
      and related RISC complexes or cytoplasmic RNP compartments.
    supported_by:
    - reference_id: file:human/AGO4/AGO4-deep-research-falcon.md
      supporting_text: Human AGO4 (EIF2C4; UniProt Q9HCK5) is best supported (in the retrieved
        literature set) as a **small-RNA-binding Argonaute paralog** that contributes to gene
        regulation largely through **non-slicing mechanisms**
- term:
    id: GO:0005829
    label: cytosol
  evidence_type: TAS
  original_reference_id: Reactome:R-HSA-1912362
  review:
    summary: cytosol is consistent with AGO4 as a small-RNA-loaded Argonaute/RISC effector.
    action: ACCEPT
    reason: The falcon report supports AGO4 function in miRISC-mediated small-RNA-guided repression
      and related RISC complexes or cytoplasmic RNP compartments.
    supported_by:
    - reference_id: file:human/AGO4/AGO4-deep-research-falcon.md
      supporting_text: Human AGO4 (EIF2C4; UniProt Q9HCK5) is best supported (in the retrieved
        literature set) as a **small-RNA-binding Argonaute paralog** that contributes to gene
        regulation largely through **non-slicing mechanisms**
- term:
    id: GO:0005829
    label: cytosol
  evidence_type: TAS
  original_reference_id: Reactome:R-HSA-1912363
  review:
    summary: cytosol is consistent with AGO4 as a small-RNA-loaded Argonaute/RISC effector.
    action: ACCEPT
    reason: The falcon report supports AGO4 function in miRISC-mediated small-RNA-guided repression
      and related RISC complexes or cytoplasmic RNP compartments.
    supported_by:
    - reference_id: file:human/AGO4/AGO4-deep-research-falcon.md
      supporting_text: Human AGO4 (EIF2C4; UniProt Q9HCK5) is best supported (in the retrieved
        literature set) as a **small-RNA-binding Argonaute paralog** that contributes to gene
        regulation largely through **non-slicing mechanisms**
- term:
    id: GO:0005829
    label: cytosol
  evidence_type: TAS
  original_reference_id: Reactome:R-HSA-1912364
  review:
    summary: cytosol is consistent with AGO4 as a small-RNA-loaded Argonaute/RISC effector.
    action: ACCEPT
    reason: The falcon report supports AGO4 function in miRISC-mediated small-RNA-guided repression
      and related RISC complexes or cytoplasmic RNP compartments.
    supported_by:
    - reference_id: file:human/AGO4/AGO4-deep-research-falcon.md
      supporting_text: Human AGO4 (EIF2C4; UniProt Q9HCK5) is best supported (in the retrieved
        literature set) as a **small-RNA-binding Argonaute paralog** that contributes to gene
        regulation largely through **non-slicing mechanisms**
- term:
    id: GO:0005829
    label: cytosol
  evidence_type: TAS
  original_reference_id: Reactome:R-HSA-1912366
  review:
    summary: cytosol is consistent with AGO4 as a small-RNA-loaded Argonaute/RISC effector.
    action: ACCEPT
    reason: The falcon report supports AGO4 function in miRISC-mediated small-RNA-guided repression
      and related RISC complexes or cytoplasmic RNP compartments.
    supported_by:
    - reference_id: file:human/AGO4/AGO4-deep-research-falcon.md
      supporting_text: Human AGO4 (EIF2C4; UniProt Q9HCK5) is best supported (in the retrieved
        literature set) as a **small-RNA-binding Argonaute paralog** that contributes to gene
        regulation largely through **non-slicing mechanisms**
- term:
    id: GO:0005829
    label: cytosol
  evidence_type: TAS
  original_reference_id: Reactome:R-HSA-1912367
  review:
    summary: cytosol is consistent with AGO4 as a small-RNA-loaded Argonaute/RISC effector.
    action: ACCEPT
    reason: The falcon report supports AGO4 function in miRISC-mediated small-RNA-guided repression
      and related RISC complexes or cytoplasmic RNP compartments.
    supported_by:
    - reference_id: file:human/AGO4/AGO4-deep-research-falcon.md
      supporting_text: Human AGO4 (EIF2C4; UniProt Q9HCK5) is best supported (in the retrieved
        literature set) as a **small-RNA-binding Argonaute paralog** that contributes to gene
        regulation largely through **non-slicing mechanisms**
- term:
    id: GO:0005829
    label: cytosol
  evidence_type: TAS
  original_reference_id: Reactome:R-HSA-1912368
  review:
    summary: cytosol is consistent with AGO4 as a small-RNA-loaded Argonaute/RISC effector.
    action: ACCEPT
    reason: The falcon report supports AGO4 function in miRISC-mediated small-RNA-guided repression
      and related RISC complexes or cytoplasmic RNP compartments.
    supported_by:
    - reference_id: file:human/AGO4/AGO4-deep-research-falcon.md
      supporting_text: Human AGO4 (EIF2C4; UniProt Q9HCK5) is best supported (in the retrieved
        literature set) as a **small-RNA-binding Argonaute paralog** that contributes to gene
        regulation largely through **non-slicing mechanisms**
- term:
    id: GO:0005829
    label: cytosol
  evidence_type: TAS
  original_reference_id: Reactome:R-HSA-1912406
  review:
    summary: cytosol is consistent with AGO4 as a small-RNA-loaded Argonaute/RISC effector.
    action: ACCEPT
    reason: The falcon report supports AGO4 function in miRISC-mediated small-RNA-guided repression
      and related RISC complexes or cytoplasmic RNP compartments.
    supported_by:
    - reference_id: file:human/AGO4/AGO4-deep-research-falcon.md
      supporting_text: Human AGO4 (EIF2C4; UniProt Q9HCK5) is best supported (in the retrieved
        literature set) as a **small-RNA-binding Argonaute paralog** that contributes to gene
        regulation largely through **non-slicing mechanisms**
- term:
    id: GO:0005829
    label: cytosol
  evidence_type: TAS
  original_reference_id: Reactome:R-HSA-2318752
  review:
    summary: cytosol is consistent with AGO4 as a small-RNA-loaded Argonaute/RISC effector.
    action: ACCEPT
    reason: The falcon report supports AGO4 function in miRISC-mediated small-RNA-guided repression
      and related RISC complexes or cytoplasmic RNP compartments.
    supported_by:
    - reference_id: file:human/AGO4/AGO4-deep-research-falcon.md
      supporting_text: Human AGO4 (EIF2C4; UniProt Q9HCK5) is best supported (in the retrieved
        literature set) as a **small-RNA-binding Argonaute paralog** that contributes to gene
        regulation largely through **non-slicing mechanisms**
- term:
    id: GO:0005829
    label: cytosol
  evidence_type: TAS
  original_reference_id: Reactome:R-HSA-3209151
  review:
    summary: cytosol is consistent with AGO4 as a small-RNA-loaded Argonaute/RISC effector.
    action: ACCEPT
    reason: The falcon report supports AGO4 function in miRISC-mediated small-RNA-guided repression
      and related RISC complexes or cytoplasmic RNP compartments.
    supported_by:
    - reference_id: file:human/AGO4/AGO4-deep-research-falcon.md
      supporting_text: Human AGO4 (EIF2C4; UniProt Q9HCK5) is best supported (in the retrieved
        literature set) as a **small-RNA-binding Argonaute paralog** that contributes to gene
        regulation largely through **non-slicing mechanisms**
- term:
    id: GO:0005829
    label: cytosol
  evidence_type: TAS
  original_reference_id: Reactome:R-HSA-426489
  review:
    summary: cytosol is consistent with AGO4 as a small-RNA-loaded Argonaute/RISC effector.
    action: ACCEPT
    reason: The falcon report supports AGO4 function in miRISC-mediated small-RNA-guided repression
      and related RISC complexes or cytoplasmic RNP compartments.
    supported_by:
    - reference_id: file:human/AGO4/AGO4-deep-research-falcon.md
      supporting_text: Human AGO4 (EIF2C4; UniProt Q9HCK5) is best supported (in the retrieved
        literature set) as a **small-RNA-binding Argonaute paralog** that contributes to gene
        regulation largely through **non-slicing mechanisms**
- term:
    id: GO:0005829
    label: cytosol
  evidence_type: TAS
  original_reference_id: Reactome:R-HSA-426522
  review:
    summary: cytosol is consistent with AGO4 as a small-RNA-loaded Argonaute/RISC effector.
    action: ACCEPT
    reason: The falcon report supports AGO4 function in miRISC-mediated small-RNA-guided repression
      and related RISC complexes or cytoplasmic RNP compartments.
    supported_by:
    - reference_id: file:human/AGO4/AGO4-deep-research-falcon.md
      supporting_text: Human AGO4 (EIF2C4; UniProt Q9HCK5) is best supported (in the retrieved
        literature set) as a **small-RNA-binding Argonaute paralog** that contributes to gene
        regulation largely through **non-slicing mechanisms**
- term:
    id: GO:0005829
    label: cytosol
  evidence_type: TAS
  original_reference_id: Reactome:R-HSA-4518575
  review:
    summary: cytosol is consistent with AGO4 as a small-RNA-loaded Argonaute/RISC effector.
    action: ACCEPT
    reason: The falcon report supports AGO4 function in miRISC-mediated small-RNA-guided repression
      and related RISC complexes or cytoplasmic RNP compartments.
    supported_by:
    - reference_id: file:human/AGO4/AGO4-deep-research-falcon.md
      supporting_text: Human AGO4 (EIF2C4; UniProt Q9HCK5) is best supported (in the retrieved
        literature set) as a **small-RNA-binding Argonaute paralog** that contributes to gene
        regulation largely through **non-slicing mechanisms**
- term:
    id: GO:0005829
    label: cytosol
  evidence_type: TAS
  original_reference_id: Reactome:R-HSA-5687103
  review:
    summary: cytosol is consistent with AGO4 as a small-RNA-loaded Argonaute/RISC effector.
    action: ACCEPT
    reason: The falcon report supports AGO4 function in miRISC-mediated small-RNA-guided repression
      and related RISC complexes or cytoplasmic RNP compartments.
    supported_by:
    - reference_id: file:human/AGO4/AGO4-deep-research-falcon.md
      supporting_text: Human AGO4 (EIF2C4; UniProt Q9HCK5) is best supported (in the retrieved
        literature set) as a **small-RNA-binding Argonaute paralog** that contributes to gene
        regulation largely through **non-slicing mechanisms**
- term:
    id: GO:0005829
    label: cytosol
  evidence_type: TAS
  original_reference_id: Reactome:R-HSA-8935766
  review:
    summary: cytosol is consistent with AGO4 as a small-RNA-loaded Argonaute/RISC effector.
    action: ACCEPT
    reason: The falcon report supports AGO4 function in miRISC-mediated small-RNA-guided repression
      and related RISC complexes or cytoplasmic RNP compartments.
    supported_by:
    - reference_id: file:human/AGO4/AGO4-deep-research-falcon.md
      supporting_text: Human AGO4 (EIF2C4; UniProt Q9HCK5) is best supported (in the retrieved
        literature set) as a **small-RNA-binding Argonaute paralog** that contributes to gene
        regulation largely through **non-slicing mechanisms**
- term:
    id: GO:0005829
    label: cytosol
  evidence_type: TAS
  original_reference_id: Reactome:R-HSA-8937097
  review:
    summary: cytosol is consistent with AGO4 as a small-RNA-loaded Argonaute/RISC effector.
    action: ACCEPT
    reason: The falcon report supports AGO4 function in miRISC-mediated small-RNA-guided repression
      and related RISC complexes or cytoplasmic RNP compartments.
    supported_by:
    - reference_id: file:human/AGO4/AGO4-deep-research-falcon.md
      supporting_text: Human AGO4 (EIF2C4; UniProt Q9HCK5) is best supported (in the retrieved
        literature set) as a **small-RNA-binding Argonaute paralog** that contributes to gene
        regulation largely through **non-slicing mechanisms**
- term:
    id: GO:0005829
    label: cytosol
  evidence_type: TAS
  original_reference_id: Reactome:R-HSA-8937134
  review:
    summary: cytosol is consistent with AGO4 as a small-RNA-loaded Argonaute/RISC effector.
    action: ACCEPT
    reason: The falcon report supports AGO4 function in miRISC-mediated small-RNA-guided repression
      and related RISC complexes or cytoplasmic RNP compartments.
    supported_by:
    - reference_id: file:human/AGO4/AGO4-deep-research-falcon.md
      supporting_text: Human AGO4 (EIF2C4; UniProt Q9HCK5) is best supported (in the retrieved
        literature set) as a **small-RNA-binding Argonaute paralog** that contributes to gene
        regulation largely through **non-slicing mechanisms**
- term:
    id: GO:0005829
    label: cytosol
  evidence_type: TAS
  original_reference_id: Reactome:R-HSA-8938440
  review:
    summary: cytosol is consistent with AGO4 as a small-RNA-loaded Argonaute/RISC effector.
    action: ACCEPT
    reason: The falcon report supports AGO4 function in miRISC-mediated small-RNA-guided repression
      and related RISC complexes or cytoplasmic RNP compartments.
    supported_by:
    - reference_id: file:human/AGO4/AGO4-deep-research-falcon.md
      supporting_text: Human AGO4 (EIF2C4; UniProt Q9HCK5) is best supported (in the retrieved
        literature set) as a **small-RNA-binding Argonaute paralog** that contributes to gene
        regulation largely through **non-slicing mechanisms**
- term:
    id: GO:0005829
    label: cytosol
  evidence_type: TAS
  original_reference_id: Reactome:R-HSA-8938487
  review:
    summary: cytosol is consistent with AGO4 as a small-RNA-loaded Argonaute/RISC effector.
    action: ACCEPT
    reason: The falcon report supports AGO4 function in miRISC-mediated small-RNA-guided repression
      and related RISC complexes or cytoplasmic RNP compartments.
    supported_by:
    - reference_id: file:human/AGO4/AGO4-deep-research-falcon.md
      supporting_text: Human AGO4 (EIF2C4; UniProt Q9HCK5) is best supported (in the retrieved
        literature set) as a **small-RNA-binding Argonaute paralog** that contributes to gene
        regulation largely through **non-slicing mechanisms**
- term:
    id: GO:0005829
    label: cytosol
  evidence_type: TAS
  original_reference_id: Reactome:R-HSA-8938507
  review:
    summary: cytosol is consistent with AGO4 as a small-RNA-loaded Argonaute/RISC effector.
    action: ACCEPT
    reason: The falcon report supports AGO4 function in miRISC-mediated small-RNA-guided repression
      and related RISC complexes or cytoplasmic RNP compartments.
    supported_by:
    - reference_id: file:human/AGO4/AGO4-deep-research-falcon.md
      supporting_text: Human AGO4 (EIF2C4; UniProt Q9HCK5) is best supported (in the retrieved
        literature set) as a **small-RNA-binding Argonaute paralog** that contributes to gene
        regulation largely through **non-slicing mechanisms**
- term:
    id: GO:0005829
    label: cytosol
  evidence_type: TAS
  original_reference_id: Reactome:R-HSA-8944650
  review:
    summary: cytosol is consistent with AGO4 as a small-RNA-loaded Argonaute/RISC effector.
    action: ACCEPT
    reason: The falcon report supports AGO4 function in miRISC-mediated small-RNA-guided repression
      and related RISC complexes or cytoplasmic RNP compartments.
    supported_by:
    - reference_id: file:human/AGO4/AGO4-deep-research-falcon.md
      supporting_text: Human AGO4 (EIF2C4; UniProt Q9HCK5) is best supported (in the retrieved
        literature set) as a **small-RNA-binding Argonaute paralog** that contributes to gene
        regulation largely through **non-slicing mechanisms**
- term:
    id: GO:0005829
    label: cytosol
  evidence_type: TAS
  original_reference_id: Reactome:R-HSA-8944684
  review:
    summary: cytosol is consistent with AGO4 as a small-RNA-loaded Argonaute/RISC effector.
    action: ACCEPT
    reason: The falcon report supports AGO4 function in miRISC-mediated small-RNA-guided repression
      and related RISC complexes or cytoplasmic RNP compartments.
    supported_by:
    - reference_id: file:human/AGO4/AGO4-deep-research-falcon.md
      supporting_text: Human AGO4 (EIF2C4; UniProt Q9HCK5) is best supported (in the retrieved
        literature set) as a **small-RNA-binding Argonaute paralog** that contributes to gene
        regulation largely through **non-slicing mechanisms**
- term:
    id: GO:0005829
    label: cytosol
  evidence_type: TAS
  original_reference_id: Reactome:R-HSA-8944706
  review:
    summary: cytosol is consistent with AGO4 as a small-RNA-loaded Argonaute/RISC effector.
    action: ACCEPT
    reason: The falcon report supports AGO4 function in miRISC-mediated small-RNA-guided repression
      and related RISC complexes or cytoplasmic RNP compartments.
    supported_by:
    - reference_id: file:human/AGO4/AGO4-deep-research-falcon.md
      supporting_text: Human AGO4 (EIF2C4; UniProt Q9HCK5) is best supported (in the retrieved
        literature set) as a **small-RNA-binding Argonaute paralog** that contributes to gene
        regulation largely through **non-slicing mechanisms**
- term:
    id: GO:0005829
    label: cytosol
  evidence_type: TAS
  original_reference_id: Reactome:R-HSA-9011958
  review:
    summary: cytosol is consistent with AGO4 as a small-RNA-loaded Argonaute/RISC effector.
    action: ACCEPT
    reason: The falcon report supports AGO4 function in miRISC-mediated small-RNA-guided repression
      and related RISC complexes or cytoplasmic RNP compartments.
    supported_by:
    - reference_id: file:human/AGO4/AGO4-deep-research-falcon.md
      supporting_text: Human AGO4 (EIF2C4; UniProt Q9HCK5) is best supported (in the retrieved
        literature set) as a **small-RNA-binding Argonaute paralog** that contributes to gene
        regulation largely through **non-slicing mechanisms**
- term:
    id: GO:0005829
    label: cytosol
  evidence_type: TAS
  original_reference_id: Reactome:R-HSA-9012203
  review:
    summary: cytosol is consistent with AGO4 as a small-RNA-loaded Argonaute/RISC effector.
    action: ACCEPT
    reason: The falcon report supports AGO4 function in miRISC-mediated small-RNA-guided repression
      and related RISC complexes or cytoplasmic RNP compartments.
    supported_by:
    - reference_id: file:human/AGO4/AGO4-deep-research-falcon.md
      supporting_text: Human AGO4 (EIF2C4; UniProt Q9HCK5) is best supported (in the retrieved
        literature set) as a **small-RNA-binding Argonaute paralog** that contributes to gene
        regulation largely through **non-slicing mechanisms**
- term:
    id: GO:0005829
    label: cytosol
  evidence_type: TAS
  original_reference_id: Reactome:R-HSA-9012208
  review:
    summary: cytosol is consistent with AGO4 as a small-RNA-loaded Argonaute/RISC effector.
    action: ACCEPT
    reason: The falcon report supports AGO4 function in miRISC-mediated small-RNA-guided repression
      and related RISC complexes or cytoplasmic RNP compartments.
    supported_by:
    - reference_id: file:human/AGO4/AGO4-deep-research-falcon.md
      supporting_text: Human AGO4 (EIF2C4; UniProt Q9HCK5) is best supported (in the retrieved
        literature set) as a **small-RNA-binding Argonaute paralog** that contributes to gene
        regulation largely through **non-slicing mechanisms**
- term:
    id: GO:0005829
    label: cytosol
  evidence_type: TAS
  original_reference_id: Reactome:R-HSA-9038545
  review:
    summary: cytosol is consistent with AGO4 as a small-RNA-loaded Argonaute/RISC effector.
    action: ACCEPT
    reason: The falcon report supports AGO4 function in miRISC-mediated small-RNA-guided repression
      and related RISC complexes or cytoplasmic RNP compartments.
    supported_by:
    - reference_id: file:human/AGO4/AGO4-deep-research-falcon.md
      supporting_text: Human AGO4 (EIF2C4; UniProt Q9HCK5) is best supported (in the retrieved
        literature set) as a **small-RNA-binding Argonaute paralog** that contributes to gene
        regulation largely through **non-slicing mechanisms**
- term:
    id: GO:0005829
    label: cytosol
  evidence_type: TAS
  original_reference_id: Reactome:R-HSA-9618392
  review:
    summary: cytosol is consistent with AGO4 as a small-RNA-loaded Argonaute/RISC effector.
    action: ACCEPT
    reason: The falcon report supports AGO4 function in miRISC-mediated small-RNA-guided repression
      and related RISC complexes or cytoplasmic RNP compartments.
    supported_by:
    - reference_id: file:human/AGO4/AGO4-deep-research-falcon.md
      supporting_text: Human AGO4 (EIF2C4; UniProt Q9HCK5) is best supported (in the retrieved
        literature set) as a **small-RNA-binding Argonaute paralog** that contributes to gene
        regulation largely through **non-slicing mechanisms**
- term:
    id: GO:0005829
    label: cytosol
  evidence_type: TAS
  original_reference_id: Reactome:R-HSA-9618486
  review:
    summary: cytosol is consistent with AGO4 as a small-RNA-loaded Argonaute/RISC effector.
    action: ACCEPT
    reason: The falcon report supports AGO4 function in miRISC-mediated small-RNA-guided repression
      and related RISC complexes or cytoplasmic RNP compartments.
    supported_by:
    - reference_id: file:human/AGO4/AGO4-deep-research-falcon.md
      supporting_text: Human AGO4 (EIF2C4; UniProt Q9HCK5) is best supported (in the retrieved
        literature set) as a **small-RNA-binding Argonaute paralog** that contributes to gene
        regulation largely through **non-slicing mechanisms**
- term:
    id: GO:0005829
    label: cytosol
  evidence_type: TAS
  original_reference_id: Reactome:R-HSA-9624925
  review:
    summary: cytosol is consistent with AGO4 as a small-RNA-loaded Argonaute/RISC effector.
    action: ACCEPT
    reason: The falcon report supports AGO4 function in miRISC-mediated small-RNA-guided repression
      and related RISC complexes or cytoplasmic RNP compartments.
    supported_by:
    - reference_id: file:human/AGO4/AGO4-deep-research-falcon.md
      supporting_text: Human AGO4 (EIF2C4; UniProt Q9HCK5) is best supported (in the retrieved
        literature set) as a **small-RNA-binding Argonaute paralog** that contributes to gene
        regulation largely through **non-slicing mechanisms**
- term:
    id: GO:0005829
    label: cytosol
  evidence_type: TAS
  original_reference_id: Reactome:R-HSA-9657791
  review:
    summary: cytosol is consistent with AGO4 as a small-RNA-loaded Argonaute/RISC effector.
    action: ACCEPT
    reason: The falcon report supports AGO4 function in miRISC-mediated small-RNA-guided repression
      and related RISC complexes or cytoplasmic RNP compartments.
    supported_by:
    - reference_id: file:human/AGO4/AGO4-deep-research-falcon.md
      supporting_text: Human AGO4 (EIF2C4; UniProt Q9HCK5) is best supported (in the retrieved
        literature set) as a **small-RNA-binding Argonaute paralog** that contributes to gene
        regulation largely through **non-slicing mechanisms**
- term:
    id: GO:0005829
    label: cytosol
  evidence_type: TAS
  original_reference_id: Reactome:R-HSA-9858289
  review:
    summary: cytosol is consistent with AGO4 as a small-RNA-loaded Argonaute/RISC effector.
    action: ACCEPT
    reason: The falcon report supports AGO4 function in miRISC-mediated small-RNA-guided repression
      and related RISC complexes or cytoplasmic RNP compartments.
    supported_by:
    - reference_id: file:human/AGO4/AGO4-deep-research-falcon.md
      supporting_text: Human AGO4 (EIF2C4; UniProt Q9HCK5) is best supported (in the retrieved
        literature set) as a **small-RNA-binding Argonaute paralog** that contributes to gene
        regulation largely through **non-slicing mechanisms**
- term:
    id: GO:0005829
    label: cytosol
  evidence_type: TAS
  original_reference_id: Reactome:R-HSA-9858309
  review:
    summary: cytosol is consistent with AGO4 as a small-RNA-loaded Argonaute/RISC effector.
    action: ACCEPT
    reason: The falcon report supports AGO4 function in miRISC-mediated small-RNA-guided repression
      and related RISC complexes or cytoplasmic RNP compartments.
    supported_by:
    - reference_id: file:human/AGO4/AGO4-deep-research-falcon.md
      supporting_text: Human AGO4 (EIF2C4; UniProt Q9HCK5) is best supported (in the retrieved
        literature set) as a **small-RNA-binding Argonaute paralog** that contributes to gene
        regulation largely through **non-slicing mechanisms**
- term:
    id: GO:0005829
    label: cytosol
  evidence_type: TAS
  original_reference_id: Reactome:R-HSA-9924921
  review:
    summary: cytosol is consistent with AGO4 as a small-RNA-loaded Argonaute/RISC effector.
    action: ACCEPT
    reason: The falcon report supports AGO4 function in miRISC-mediated small-RNA-guided repression
      and related RISC complexes or cytoplasmic RNP compartments.
    supported_by:
    - reference_id: file:human/AGO4/AGO4-deep-research-falcon.md
      supporting_text: Human AGO4 (EIF2C4; UniProt Q9HCK5) is best supported (in the retrieved
        literature set) as a **small-RNA-binding Argonaute paralog** that contributes to gene
        regulation largely through **non-slicing mechanisms**
- term:
    id: GO:0005829
    label: cytosol
  evidence_type: TAS
  original_reference_id: Reactome:R-HSA-9925095
  review:
    summary: cytosol is consistent with AGO4 as a small-RNA-loaded Argonaute/RISC effector.
    action: ACCEPT
    reason: The falcon report supports AGO4 function in miRISC-mediated small-RNA-guided repression
      and related RISC complexes or cytoplasmic RNP compartments.
    supported_by:
    - reference_id: file:human/AGO4/AGO4-deep-research-falcon.md
      supporting_text: Human AGO4 (EIF2C4; UniProt Q9HCK5) is best supported (in the retrieved
        literature set) as a **small-RNA-binding Argonaute paralog** that contributes to gene
        regulation largely through **non-slicing mechanisms**
- term:
    id: GO:0005829
    label: cytosol
  evidence_type: TAS
  original_reference_id: Reactome:R-HSA-9925158
  review:
    summary: cytosol is consistent with AGO4 as a small-RNA-loaded Argonaute/RISC effector.
    action: ACCEPT
    reason: The falcon report supports AGO4 function in miRISC-mediated small-RNA-guided repression
      and related RISC complexes or cytoplasmic RNP compartments.
    supported_by:
    - reference_id: file:human/AGO4/AGO4-deep-research-falcon.md
      supporting_text: Human AGO4 (EIF2C4; UniProt Q9HCK5) is best supported (in the retrieved
        literature set) as a **small-RNA-binding Argonaute paralog** that contributes to gene
        regulation largely through **non-slicing mechanisms**
- term:
    id: GO:0005829
    label: cytosol
  evidence_type: TAS
  original_reference_id: Reactome:R-HSA-9925159
  review:
    summary: cytosol is consistent with AGO4 as a small-RNA-loaded Argonaute/RISC effector.
    action: ACCEPT
    reason: The falcon report supports AGO4 function in miRISC-mediated small-RNA-guided repression
      and related RISC complexes or cytoplasmic RNP compartments.
    supported_by:
    - reference_id: file:human/AGO4/AGO4-deep-research-falcon.md
      supporting_text: Human AGO4 (EIF2C4; UniProt Q9HCK5) is best supported (in the retrieved
        literature set) as a **small-RNA-binding Argonaute paralog** that contributes to gene
        regulation largely through **non-slicing mechanisms**
- term:
    id: GO:0005829
    label: cytosol
  evidence_type: TAS
  original_reference_id: Reactome:R-HSA-9925324
  review:
    summary: cytosol is consistent with AGO4 as a small-RNA-loaded Argonaute/RISC effector.
    action: ACCEPT
    reason: The falcon report supports AGO4 function in miRISC-mediated small-RNA-guided repression
      and related RISC complexes or cytoplasmic RNP compartments.
    supported_by:
    - reference_id: file:human/AGO4/AGO4-deep-research-falcon.md
      supporting_text: Human AGO4 (EIF2C4; UniProt Q9HCK5) is best supported (in the retrieved
        literature set) as a **small-RNA-binding Argonaute paralog** that contributes to gene
        regulation largely through **non-slicing mechanisms**
- term:
    id: GO:0006402
    label: mRNA catabolic process
  evidence_type: IDA
  original_reference_id: PMID:18771919
  review:
    summary: mRNA catabolic process is downstream or context-specific for AGO4.
    action: KEEP_AS_NON_CORE
    reason: This process may be supported in a particular experiment or pathway model, but it is
      peripheral to the core Argonaute/RISC molecular role.
    supported_by:
    - reference_id: file:human/AGO4/AGO4-deep-research-falcon.md
      supporting_text: Human AGO4 (EIF2C4; UniProt Q9HCK5) is best supported (in the retrieved
        literature set) as a **small-RNA-binding Argonaute paralog** that contributes to gene
        regulation largely through **non-slicing mechanisms**
- term:
    id: GO:0035278
    label: miRNA-mediated gene silencing by inhibition of translation
  evidence_type: IDA
  original_reference_id: PMID:18771919
  review:
    summary: miRNA-mediated gene silencing by inhibition of translation is consistent with AGO4 as a
      small-RNA-loaded Argonaute/RISC effector.
    action: ACCEPT
    reason: The falcon report supports AGO4 function in miRISC-mediated small-RNA-guided repression
      and related RISC complexes or cytoplasmic RNP compartments.
    supported_by:
    - reference_id: file:human/AGO4/AGO4-deep-research-falcon.md
      supporting_text: Human AGO4 (EIF2C4; UniProt Q9HCK5) is best supported (in the retrieved
        literature set) as a **small-RNA-binding Argonaute paralog** that contributes to gene
        regulation largely through **non-slicing mechanisms**
references:
- id: GO_REF:0000002
  title: Gene Ontology annotation through association of InterPro records with GO terms
  findings: []
- id: GO_REF:0000033
  title: Annotation inferences using phylogenetic trees
  findings: []
- id: GO_REF:0000052
  title: Gene Ontology annotation based on curation of immunofluorescence data
  findings: []
- id: GO_REF:0000107
  title: Automatic transfer of experimentally verified manual GO annotation data to orthologs using
    Ensembl Compara
  findings: []
- id: GO_REF:0000117
  title: Electronic Gene Ontology annotations created by ARBA machine learning models
  findings: []
- id: GO_REF:0000120
  title: Combined Automated Annotation using Multiple IEA Methods
  findings: []
- id: PMID:15260970
  title: Human Argonaute2 mediates RNA cleavage targeted by miRNAs and siRNAs.
  findings: []
- id: PMID:15766526
  title: Involvement of microRNA in AU-rich element-mediated mRNA instability.
  findings: []
- id: PMID:18771919
  title: Importance of translation and nonnucleolytic ago proteins for on-target RNA interference.
  findings: []
- id: PMID:19167051
  title: Importin 8 is a gene silencing factor that targets argonaute proteins to distinct mRNAs.
  findings: []
- id: PMID:19324964
  title: The C-terminal half of human Ago2 binds to multiple GW-rich regions of GW182 and requires
    GW182 to mediate silencing.
  findings: []
- id: PMID:19383768
  title: The C-terminal domains of human TNRC6A, TNRC6B, and TNRC6C silence bound transcripts
    independently of Argonaute proteins.
  findings: []
- id: PMID:19946888
  title: Defining the membrane proteome of NK cells.
  findings: []
- id: PMID:19966796
  title: ATP-dependent human RISC assembly pathways.
  findings: []
- id: PMID:22795694
  title: Slicing-independent RISC activation requires the argonaute PAZ domain.
  findings: []
- id: PMID:28781232
  title: Multivalent Recruitment of Human Argonaute by GW182.
  findings: []
- id: PMID:33961781
  title: Dual proteome-scale networks reveal cell-specific remodeling of the human interactome.
  findings: []
- id: Reactome:R-HSA-1606561
  title: MIR449 microRNAs bind 3'UTR of NOTCH1 mRNA
  findings: []
- id: Reactome:R-HSA-1606682
  title: MIR34 microRNAs bind 3'UTR of NOTCH1 mRNA
  findings: []
- id: Reactome:R-HSA-1912362
  title: MIR150 microRNA binds 3'UTR of NOTCH3 mRNA
  findings: []
- id: Reactome:R-HSA-1912363
  title: MIR200B/C microRNAs bind NOTCH1 mRNA
  findings: []
- id: Reactome:R-HSA-1912364
  title: MIR181C microRNA binds 3'UTR of NOTCH4 mRNA
  findings: []
- id: Reactome:R-HSA-1912366
  title: MIR206 microRNA binds 3'UTR of NOTCH3 mRNA
  findings: []
- id: Reactome:R-HSA-1912367
  title: MIR34 microRNAs bind 3'UTR of NOTCH2 mRNA
  findings: []
- id: Reactome:R-HSA-1912368
  title: MIR302A microRNA binds 3'UTR of NOTCH4 mRNA
  findings: []
- id: Reactome:R-HSA-1912406
  title: p53 positively regulates transcription of MIR34 microRNAs
  findings: []
- id: Reactome:R-HSA-2318752
  title: miR-26A microRNAs bind PTEN mRNA
  findings: []
- id: Reactome:R-HSA-3209151
  title: miR-24 binds p16INK4A and p14ARF mRNAs
  findings: []
- id: Reactome:R-HSA-426489
  title: RISC binds inexactly matching target RNAs
  findings: []
- id: Reactome:R-HSA-426522
  title: Nonendonucleolytic RISC binds exactly matching target RNAs
  findings: []
- id: Reactome:R-HSA-4518575
  title: miR-92b binds 3'UTR of NLK mRNA
  findings: []
- id: Reactome:R-HSA-5687103
  title: FOXO3 regulates MIR34B,C expression
  findings: []
- id: Reactome:R-HSA-8935766
  title: miR-378 binds RUNX1 mRNA
  findings: []
- id: Reactome:R-HSA-8937097
  title: MIR27A gene transcription is stimulated by the complex containing RUNX1, PRMT1 and GATA1
    and inhibited by the complex of RUNX1, SIN3A and PRMT6
  findings: []
- id: Reactome:R-HSA-8937134
  title: miR-27a binds RUNX1 mRNA
  findings: []
- id: Reactome:R-HSA-8938440
  title: miR-17 binds RUNX1 mRNA
  findings: []
- id: Reactome:R-HSA-8938487
  title: miR-20a binds RUNX1 mRNA
  findings: []
- id: Reactome:R-HSA-8938507
  title: miR-106a binds RUNX1 mRNA
  findings: []
- id: Reactome:R-HSA-8944650
  title: miR-214 microRNA binds PTEN mRNA
  findings: []
- id: Reactome:R-HSA-8944684
  title: miR-205 microRNA binds PTEN mRNA
  findings: []
- id: Reactome:R-HSA-8944706
  title: miR-21 nonendonucleolytic RISC binds PTEN mRNA
  findings: []
- id: Reactome:R-HSA-9011958
  title: miR-26A and B bind to the 3'UTR of the GREB1 mRNA
  findings: []
- id: Reactome:R-HSA-9012203
  title: miR-26A and B bind to the 3'UTR of the CHD11 mRNA
  findings: []
- id: Reactome:R-HSA-9012208
  title: miR-26A and B bind to the 3'UTR of the KPNA2 mRNA
  findings: []
- id: Reactome:R-HSA-9038545
  title: miR-613 binds to the 3'UTR of the NR1H3 mRNA
  findings: []
- id: Reactome:R-HSA-9618392
  title: miR-26 binds to the 3'UTR of the ARL4C mRNA
  findings: []
- id: Reactome:R-HSA-9618486
  title: miR-26 binds to the 3'UTR of the ABCA1 mRNA
  findings: []
- id: Reactome:R-HSA-9624925
  title: miR-33 binds to the 3'UTR of the ABCA1 mRNA
  findings: []
- id: Reactome:R-HSA-9657791
  title: miR-144 binds to the 3'UTR of the ABCA1 mRNA
  findings: []
- id: Reactome:R-HSA-9858289
  title: MITF-M-dependent miR-211 expression
  findings: []
- id: Reactome:R-HSA-9858309
  title: miR-211 RISC binds POU3F2 mRNA
  findings: []
- id: Reactome:R-HSA-9924921
  title: CD274 mRNA binds miR-34 RISC
  findings: []
- id: Reactome:R-HSA-9925095
  title: CD274 mRNA binds miR-340 RISC
  findings: []
- id: Reactome:R-HSA-9925158
  title: CD274 mRNA binds miR-152 RISC
  findings: []
- id: Reactome:R-HSA-9925159
  title: CD274 mRNA binds miR-140 RISC
  findings: []
- id: Reactome:R-HSA-9925324
  title: CD274 mRNA binds miR-200B/C RISC
  findings: []
- id: file:human/AGO4/AGO4-uniprot.txt
  title: UniProt text export for AGO4
  findings:
  - statement: UniProt identifies AGO4 and its protein family/domain context.
    supporting_text: Belongs to the argonaute family. Ago subfamily.
- id: file:human/AGO4/AGO4-deep-research-falcon.md
  title: Falcon deep research report for AGO4
  findings:
  - statement: Falcon research supports the reviewed core function of AGO4.
    supporting_text: Human AGO4 (EIF2C4; UniProt Q9HCK5) is best supported (in the retrieved
      literature set) as a **small-RNA-binding Argonaute paralog** that contributes to gene
      regulation largely through **non-slicing mechanisms**
core_functions:
- description: Small-RNA-loaded Argonaute/RISC effector activity, primarily through non-slicing
    repression mechanisms including translational control.
  molecular_function:
    id: GO:0035198
    label: miRNA binding
  directly_involved_in:
  - id: GO:0035194
    label: regulatory ncRNA-mediated post-transcriptional gene silencing
  - id: GO:0035278
    label: miRNA-mediated gene silencing by inhibition of translation
  in_complex:
    id: GO:0016442
    label: RISC complex
  locations:
  - id: GO:0005737
    label: cytoplasm
  - id: GO:0000932
    label: P-body
  supported_by:
  - reference_id: file:human/AGO4/AGO4-deep-research-falcon.md
    supporting_text: Human AGO4 (EIF2C4; UniProt Q9HCK5) is best supported (in the retrieved
      literature set) as a **small-RNA-binding Argonaute paralog** that contributes to gene
      regulation largely through **non-slicing mechanisms**
proposed_new_terms: []
suggested_questions:
- question: Which endogenous human tissues or stress states require AGO4-specific RISC activity
    rather than redundant activity from other AGO paralogs?
- question: Which protein cofactors determine guide loading, localization, and non-core nuclear or
    granule-associated functions of AGO4?
suggested_experiments:
- description: Endogenous tagging of AGO4 followed by small-RNA CLIP, target RNA profiling, and
    paralog-specific rescue in AGO-depleted human cells.
  experiment_type: genome editing/RNA-protein interaction profiling
  hypothesis: AGO4 has paralog-specific guide, target, and compartment preferences within human RISC
    biology.
- description: Biochemical reconstitution of AGO4-RISC with representative miRNA and siRNA guides to
    compare target repression, target cleavage, and TNRC6 recruitment.
  experiment_type: biochemical reconstitution
  hypothesis: AGO4 activity is best explained by guide-loaded RISC function rather than generic RNA
    or protein binding.