CD274 encodes the human gene, CD274 molecule. It may also be known as: Programmed cell death 1 ligand 1; PD-L1; PDCD1 ligand 1; Programmed death ligand 1; B7 homolog 1; B7-H1; CD antigen CD274; B7-H; B7H1; PDCD1L1; PDCD1LG1; PDL1. The encoded protein has an amino acid length of 290 and a mass of 33.3 kDa. CD274 is a member of the Immunoglobulin superfamily, BTN/MOG family. Homologs of this gene exist in other organisms, including: Mouse, Rat, Frog, Chicken.