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 3l5x H L 0 A protein NA interleukin-13 IMMUNE SYSTEM 12/22/09 Crystal structure of the complex between IL-13 and H2L6 FAB HOMO SAPIENS homo sapiens homo sapiens homo sapiens Teplyakov, A., Obmolova, G., Malia, T., Gilliland, G.L. 1.9 X-RAY DIFFRACTION 0.247 0.197 False True IGHV2 IGKV3 Kappa 2.69E-10 -13.05 SPR 25 20226193