Polycomb group RING finger protein 1, PCGF1, also known as NSPC1 or RNF68 is a RING finger domain protein that in humans is encoded by the PCGF1 gene.
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Polycomb group RING finger protein 1, PCGF1, also known as NSPC1 or RNF68 is a RING finger domain protein that in humans is encoded by the PCGF1 gene.
PCGF1 is a component defining the non-canonical polycomb repressive complex 1.1 (ncPRC1) interacting with RING1A/B, RYBP, BCOR and KDM2B. PCGF1-BCOR assembles via the ubiquitin-like RAWUL domain of PCGF1 and is recruited on the chromatin at KDM2B sites. Within the PRC1-like complex, PCGF1 regulates RING1B ubiquitin ligase activity that catalyzes the ubiquitination of Lys119 on histone H2A, which then leads to recruitment of PRC2 and H3K27me3 to effectively initiate a polycomb domain and mediate gene repression.
Discovered by embedding cosine similarity (sentence-transformers MiniLM, 384-dim).