Peptide sequence: PLSVRAGHGE RDLGNPNTAP PTPELHGINP VFLSSNPSRW SVEEVYEFIA Sequence homology: Cow: 100%; Dog: 93%; Horse: 100%; Human: 100%; Pig: 93%; Rabbit: 93%; Rat: 86%. Polycomb group (PcG) proteins assemble into multimeric protein complexes, which ar