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A chromatin-associated multiprotein complex containing Polycomb Group proteins. In Drosophila, Polycomb group proteins are involved in the long-term maintenance of gene repression, and PcG protein complexes associate with Polycomb group response elements (PREs) in target genes to regulate higher-order chromatin structure. An insect multiprotein complex containing the products of many of the Polycomb Group genes including Polycomb, Posterior sex combs, polyhomeotic and Sex comb on midleg. The Polycomb Group proteins are required for stable long-term maintenance of transcriptionally repressed states and the PRC1 complex directly antagonizes ATP-dependent remodeling of nucleosomal arrays. Any macromolecular complex composed of two or more polypeptide subunits, which may or may not be identical. Protein complexes may have other associated non-protein prosthetic groups, such as nucleotides, metal ions or other small molecules. Any constituent part of the nucleus, a membrane-bounded organelle of eukaryotic cells in which chromosomes are housed and replicated.

View Gene Ontology (GO) Term

GO TERM SUMMARY
Name: PRC1 complex
Acc: GO:0035102
Aspect: Cellular Component
Desc: An insect multiprotein complex containing the products of many of the Polycomb Group genes including Polycomb, Posterior sex combs, polyhomeotic and Sex comb on midleg. The Polycomb Group proteins are required for stable long-term maintenance of transcriptionally repressed states and the PRC1 complex directly antagonizes ATP-dependent remodeling of nucleosomal arrays.
Synonyms:
  • Polycomb repressive complex 1
Proteins in PDR annotated with:
   This term: 10 [Search]
   Term or descendants: 10 [Search]


[geneontology.org]
INTERACTIVE GO GRAPH

GO:0035102 - PRC1 complex (interactive image map)
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