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 4nc0 B NA 0 A protein NA cell wall-binding repeat protein IMMUNE SYSTEM 10/23/13 Crystal Structure of TcdA-A2 Bound to A26.8 VHH CLOSTRIDIUM DIFFICILE; LAMA GLAMA lama glama clostridium difficile Murase, T., Eugenio, L., Schorr, M., Hussack, G., Tanha, J., Kitova, E.N., Klassen, J.S., Ng, K.K.S. 2.3 X-RAY DIFFRACTION 0.223 0.199 False True IGHV1 NA NA None None None None None