Here are recombinant proteins for H2AFY, the approved symbol for the human gene, 'H2A histone family member Y'. With a Uniprot ID of O75367, this protein is listed as having 372 residues in length and a mass of 39.7 kDa. Up to 3 isoforms are reported. The following protein function has been assigned: 'Variant histone H2A which replaces conventional H2A in a subset of nucleosomes where it represses transcription.' A subcellular localization as 'nuclear' is noted. Orthologs are reported in these species: mouse, rat. H2AFY may also be known by other designations: 'core histone macro-H2A.1, histone H2A.y, histone macroH2A1, histone macroH2A1.1, histone macroH2A1.2, medulloblastoma antigen MU-MB-50.205'.