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 5imk B NA 0 A protein NA v-set and immunoglobulin domain-containing protein 4 IMMUNE SYSTEM 03/06/16 Nanobody targeting human Vsig4 in Spacegroup C2 HOMO SAPIENS; CAMELIDAE camelidae homo sapiens Wen, Y. 1.227 X-RAY DIFFRACTION 0.185 0.172 False True IGHV1 NA NA None None None None None