CD337 is an alias for the gene, Natural cytotoxicity triggering receptor 3, in humans. Other names include: Activating natural killer receptor p30; Natural killer cell p30-related protein; NK-p30; NKp30; CD antigen CD337; 1C7; LY117; MALS. The encoded protein has an amino acid length of 201 and a mass of 21.6 kDa. Other isoforms may exist. CD337 is a member of the Natural cytotoxicity receptor (NCR) family. This gene shares homology with other species, including: Rat.