Here are recombinant proteins for H2AFX, the approved symbol for the human gene, 'H2A histone family member X'. With a Uniprot ID of P16104, this protein is listed as having 143 residues in length and a mass of 15.2 kDa. The following protein function has been assigned: 'Variant histone H2A which replaces conventional H2A in a subset of nucleosomes.' A subcellular localization as 'nuclear' is noted. Orthologs are reported in these species: rat. H2AFX may also be known by other designations: 'histone H2AX, H2AX histone, histone H2A.x'.