Anti-H2AC8 antibodies are used in the immunodetection of the protein H2A clustered histone 8. It is notably widely expressed in many tissue types. Synonyms for this target antigen include H2A.2, H2A/a, H2AC4, H2AFA, HIST1H2AE, histone H2A type 1-B/E, H2A histone family, member A, and H2A.1. H2AC8 gene orthologs have been reported in the mouse, rat and chimpanzee species.