P58.2 is an alias for the gene, Killer cell immunoglobulin-like receptor, two domains, long cytoplasmic tail, 2, in humans. Other names include: Killer cell immunoglobulin-like receptor 2DL2; CD158 antigen-like family member B1; Natural killer-associated transcript 6; NKAT-6; p58 natural killer cell receptor clone CL-43; p58 NK receptor CL-43; CD antigen CD158b1; CD158B1; CD158b; NKAT6. The encoded protein has an amino acid length of 348 and a mass of 38.5 kDa. Other isoforms may exist. P58.2 is a member of the Immunoglobulin superfamily.