title: Structural basis of recognition in the immune response.
mesh_terms: D000818:Animals; D000906:Antibodies; D000937:Antigen-Antibody Reactions; D001666:Binding Sites, Antibody; D003172:Complement C1; D003165:Complement System Proteins; D007109:Immunity; D007141:Immunoglobulin Fc Fragments; D007074:Immunoglobulin G; D046911:Macromolecular Substances; D008958:Models, Molecular; D011487:Protein Conformation; D014961:X-Ray Diffraction
chemical_list: D000906:Antibodies; D003172:Complement C1; D007141:Immunoglobulin Fc Fragments; D007074:Immunoglobulin G; D046911:Macromolecular Substances; D003165:Complement System Proteins