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 3zkq D NA 0 A protein NA beta-secretase 2 HYDROLASE/IMMUNE SYSTEM 01/24/13 BACE2 XAPERONE COMPLEX LAMA GLAMA; HOMO SAPIENS lama glama homo sapiens Banner, D.W., Kuglstatter, A., Benz, J., Stihle, M., Ruf, A. 1.51 X-RAY DIFFRACTION 0.22276 0.18966 False True IGHV3 NA NA None None None None None