Anti-XRG6 antibodies enable researchers to detect and measure the XRG6 antigen in biological samples. This target is a reported synonym of the XKR6 gene, which encodes XK related 6. This protein is known to function in the apoptotic pathway, among other biological roles. The human version of XRG6 has a canonical amino acid length of 641 residues and a protein mass of 71.6 kilodaltons, although 2 isoforms have been identified. It is reported to be localized in the cell membrane of cells. XRG6 is a member of the XK protein family.