XKRY2 is a symbol for the gene, X-linked Kx blood group related, Y-linked 2, in humans. Other names include: Testis-specific XK-related protein, Y-linked 2; XK, Kell blood group complex subunit-related, Y-linked 2; XKRYP7. The encoded protein has an amino acid length of 117 and a mass of 13.0 kDa. XKRY2 is a member of the XK family.