Anti-C18orf63 antibodies are used in the immunodetection of the protein chromosome 18 open reading frame 63. In humans, the canonical protein has a reported length of 685 amino acid residues and a mass of 77.2 kDa. Synonyms for this target antigen include uncharacterized protein C18orf63. C18orf63 gene orthologs have been reported in the mouse, rat, bovine, zebrafish, chimpanzee and chicken species.