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 3k74 B NA 0 A protein NA dihydrofolate reductase OXIDOREDUCTASE 10/12/09 Disruption of protein dynamics by an allosteric effector antibody ESCHERICHIA COLI K-12; LAMA GLAMA lama glama escherichia coli k-12 Oyen, D., Srinivasan, V., Steyaert, J., Barlow, J. 1.95 X-RAY DIFFRACTION 0.240 0.196 False True IGHV1 NA NA None None None None None