PCGF1 is a symbol for the gene, Polycomb group ring finger 1, in humans. Other names include: Polycomb group RING finger protein 1; Nervous system Polycomb-1; NSPc1; RING finger protein 68; 2010002K04Rik; RNF3A-2; RNF68. The encoded protein has an amino acid length of 259 and a mass of 30.3 kDa. Other isoforms may exist. This gene shares homology with other species, including: Mouse, Rat, Zebrafish, Chicken.