CRTAM is a symbol for the gene, Cytotoxic and regulatory T-cell molecule, in humans. Other names include: Class-I MHC-restricted T-cell-associated molecule; CD antigen CD355; class I MHC restricted T cell associated molecule; CD355; cytotoxic and regulatory T cell molecule. The encoded protein has an amino acid length of 393 and a mass of 44.6 kDa. CRTAM is a member of the Nectin family. This gene shares homology with other species, including: Mouse, Rat, Zebrafish, Chicken.