Programmed cell death 1 ligand 1 (UniProt: Q9EP73; also known as PD-L1, PDCD1 ligand 1, Programmed death ligand 1, B7 homolog 1, B7-H1, CD274) is encoded by the Cd274 (also known as B7h1, Pdcd1l1, Pdcd1lg1, Pdl1) gene (Gene ID: 50533) in murine species. PD-L1 is a single-pass type I membrane protein...