FB2026_03 , released September 17, 2026

CV Term Report

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General Information

Term

PRC1 complex

ID (Ontology)

GO:0035102 (Gene Ontology)

Definition

A multiprotein complex that mediates monoubiquitination of lysine residues of histone H2A (lysine-118 in Drosophila or lysine-119 in mammals). The complex is required for stable long-term maintenance of transcriptionally repressed states and is involved in chromatin remodeling.[ PubMed:10412979 ]

Also Known As

"Polycomb repressive complex 1"

Comment

Links to External Ontologies

QuickGO data AmiGO data

Annotations

Records annotated with this term OR any of its CHILD TERMS

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Results list data from multiple species. Choose a record type above to open its HitList.

Direct annotations: records annotated with this exact term (child terms are NOT included)

Data Class	Field	Direct annotations
Genes (FBgn)	GO_CELLULAR_COMPONENT

Full annotation statements including this term (annotations to child terms are NOT included), and relevant FlyBase records

Full annotation statements	Relevant FlyBase reports
Full annotation statements	Gene Groups	Genes
PRC1 complex (all annotations which use CV term, excluding "NOT" statements)
part_of \| PRC1 complex	--

Spanning Tree (Parents/Children)

ubiquitin ligase complex
 |__nuclear ubiquitin ligase complex__
nuclear protein-containing complex    |
 |__nuclear ubiquitin ligase complex__|
 |__PcG protein complex_______________|
                                      PRC1 complex  12 rec.

Spanning Tree View Settings
Parents/Children View Depth	Show hierarchy levels: for parents, for children
Relationships
Is a	nuclear ubiquitin ligase complex PcG protein complex
Part of
Synonyms & Secondary IDs
Synonyms
	"Polycomb repressive complex 1" EXACT
Secondary IDs

External Crossreferences & Linkouts