产品介绍 Human secreted Programmed Cell Death 1 Ligand 1 (PD-L1)-Fc fusion protein with R-Phycoerythrin-label, also known as CD274 and B7 homolog 1 (B7-H1), GenBank Accession No. NM_014143, amino acids 19-239, fused at the C-terminus with the Fc portion of human IgG1, expressed in a HEK293 cell expression system. MW = 53 kDa.