pdb Hchain Lchain model antigen_chain antigen_type antigen_het_name antigen_name short_header date compound organism heavy_species light_species antigen_species authors resolution method r_free r_factor scfv engineered heavy_subclass light_subclass light_ctype affinity delta_g affinity_method temperature pmid 5x8m B C 0 A protein NA programmed cell death 1 ligand 1 IMMUNE SYSTEM 03/03/17 PD-L1 in complex with durvalumab HOMO SAPIENS homo sapiens homo sapiens homo sapiens Heo, Y.S., Lee, H.T. 2.661 X-RAY DIFFRACTION 0.219 0.181 False True IGHV3 IGKV3 Kappa None None None None None