Programmed cell death 1 ligand 2 (UniProt: Q9BQ51; also known as PD-1 ligand 2, PD-L2, PDCD1 ligand 2, Programmed death ligand 2, Butyrophilin B7-DC, B7-DC, CD273) is encoded by the PDCD1LG2 (also known as B7DC, CD273, PDCD1L2, PDL2) gene (Gene ID: 80380) in human. Three isoforms of PD-L2 have been...