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 7soc H L 0 A protein NA spike glycoprotein VIRAL PROTEIN/IMMUNE SYSTEM 10/29/21 SARS-CoV-2 S RBD B.1.617.1 kappa variant S309 Local Refinement SEVERE ACUTE RESPIRATORY SYNDROME CORONAVIRUS 2; HOMO SAPIENS homo sapiens homo sapiens severe acute respiratory syndrome coronavirus2 McCallum, M., Veesler, D., Seattle Structural Genomics Center for Infectious Disease (SSGCID) 3.3 ELECTRON MICROSCOPY NA NA False True IGHV1 IGKV3 Kappa None None None None None