CG3515

UniProt ID: Q9VQD1
Organism: Drosophila melanogaster
Review Status: DRAFT
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Gene Description

CG3515 is a Swd2/WDR82-family WD-repeat protein inferred to associate with nuclear chromatin and the Set1C/COMPASS histone-methylation machinery. It is distinct from the Drosophila Wdr82/CG17293 paralog. Its precise complex partners and physiological role have not been characterized directly.

Existing Annotations Review

GO Term Evidence Action Reason
GO:0003682 chromatin binding
IBA
GO_REF:0000033
ACCEPT
Summary: CG3515 is a Swd2/WDR82-family WD-repeat protein with a curated ancestral assignment to chromatin and Set1C/COMPASS.
Reason: CG3515 is a Swd2/WDR82-family WD-repeat protein with a curated ancestral assignment to chromatin and Set1C/COMPASS. Characterized WDR82 associates with chromatin and Set1 complexes, providing a biological basis for conserved nuclear chromatin-complex function. CG3515 is distinct from the experimentally studied fly Wdr82/CG17293 paralog; this is a family-based assignment, not a direct CG3515 localization or interaction assay.
Supporting Evidence:
file:DROME/CG3515/CG3515-uniprot.txt
DR InterPro; IPR037867; Swd2/WDR82.
PMID:18838538
We have shown that Wdr82, which associates with chromatin in a histone H2B ubiquitination-dependent manner, is a specific component of Set1 complexes but not that of MLL1-4 complexes.
GO:0005634 nucleus
IEA
GO_REF:0000120
ACCEPT
Summary: CG3515 is a Swd2/WDR82-family WD-repeat protein with a curated ancestral assignment to chromatin and Set1C/COMPASS.
Reason: CG3515 is a Swd2/WDR82-family WD-repeat protein with a curated ancestral assignment to chromatin and Set1C/COMPASS. Characterized WDR82 associates with chromatin and Set1 complexes, providing a biological basis for conserved nuclear chromatin-complex function. CG3515 is distinct from the experimentally studied fly Wdr82/CG17293 paralog; this is a family-based assignment, not a direct CG3515 localization or interaction assay.
Supporting Evidence:
file:DROME/CG3515/CG3515-uniprot.txt
DR InterPro; IPR037867; Swd2/WDR82.
PMID:18838538
We have shown that Wdr82, which associates with chromatin in a histone H2B ubiquitination-dependent manner, is a specific component of Set1 complexes but not that of MLL1-4 complexes.
GO:0016070 RNA metabolic process
IEA
GO_REF:0000117
UNDECIDED
Summary: A nuclear WDR82-family chromatin-complex role is supported, but the broad RNA-metabolic assertion has no independently resolved CG3515 RNA-processing or transcriptional role in the evidence reviewed.
Reason: A nuclear WDR82-family chromatin-complex role is supported, but the broad RNA-metabolic assertion has no independently resolved CG3515 RNA-processing or transcriptional role in the evidence reviewed. WDR82-family proteins participate in several complexes, and the specific RNA pathway or complex retained by this paralog is not established.
Supporting Evidence:
file:DROME/CG3515/CG3515-uniprot.txt
DR InterPro; IPR037867; Swd2/WDR82.
GO:0048188 Set1C/COMPASS complex
IBA
GO_REF:0000033
ACCEPT
Summary: CG3515 is a Swd2/WDR82-family WD-repeat protein with a curated ancestral assignment to chromatin and Set1C/COMPASS.
Reason: CG3515 is a Swd2/WDR82-family WD-repeat protein with a curated ancestral assignment to chromatin and Set1C/COMPASS. Characterized WDR82 associates with chromatin and Set1 complexes, providing a biological basis for conserved nuclear chromatin-complex function. CG3515 is distinct from the experimentally studied fly Wdr82/CG17293 paralog; this is a family-based assignment, not a direct CG3515 localization or interaction assay.
Supporting Evidence:
file:DROME/CG3515/CG3515-uniprot.txt
DR InterPro; IPR037867; Swd2/WDR82.
PMID:18838538
We have shown that Wdr82, which associates with chromatin in a histone H2B ubiquitination-dependent manner, is a specific component of Set1 complexes but not that of MLL1-4 complexes.

Core Functions

Conserved WDR82-family chromatin association supports participation in nuclear Set1C/COMPASS.

Molecular Function:
chromatin binding
Cellular Locations:
Supporting Evidence:
  • file:DROME/CG3515/CG3515-uniprot.txt
    DR InterPro; IPR037867; Swd2/WDR82.
  • PMID:18838538
    We have shown that Wdr82, which associates with chromatin in a histone H2B ubiquitination-dependent manner, is a specific component of Set1 complexes but not that of MLL1-4 complexes.

References

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External Prediction Reviews

These computational predictions are reviewed separately from the GOA annotation set used for this review. The assessments below are from this project and do not constitute official GO annotations or endorsement by GO/UniProt. They are not included in the existing annotation review above.

ProtNLM2 External predictions

View prediction review YAML Β· CG3515-protnlm-predictions-review.yaml Β· Review status: COMPLETE

The nucleus prediction is supported as a conserved WDR82-family localization and is already represented in the annotation record.

Source documents: projects/PROTNLM_EVALUATION/fly-benchmark/predictions.jsonl.gz Β· genes/DROME/CG3515/CG3515-predictions-source.json

Review score: 2 = concordant with evidence; 1 = uncertain; 0 = discordant with evidence. This is an assessment score, not a model probability.

GO:0005634 nucleus GO_CC
CNN β€” Correct but not novel Review score: 2/2
Prediction method: ProtNLM2 Β· Version: UniProt API snapshot 2026-09-08
Review rationale: Nuclear localization is a reasonable conserved inference from the diagnostic Swd2/WDR82 family assignment and curated chromatin/COMPASS placement. Primary WDR82 experiments establish chromatin association and Set1-complex membership, providing the biological basis for that transfer. CG3515 is a separate fly paralog from Wdr82/CG17293, so these are not claimed as direct target experiments. The nucleus term is already present, making this supported prediction non-novel.
Supporting Evidence:
  • file:DROME/CG3515/CG3515-uniprot.txt: "DR InterPro; IPR037867; Swd2/WDR82."
  • PMID:18838538: "We have shown that Wdr82, which associates with chromatin in a histone H2B ubiquitination-dependent manner, is a specific component of Set1 complexes but not that of MLL1-4 complexes."

Deep Research

Falcon

(CG3515-deep-research-falcon.md)

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πŸ“š Additional Documentation

Notes

(CG3515-notes.md)

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πŸ“„ View Raw YAML

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