title: The mechanism of activation of the first component of complement by a univalent hapten-IgG antibody complex.
mesh_terms: D000818:Animals; D000936:Antigen-Antibody Complex; D001666:Binding Sites, Antibody; D001667:Binding, Competitive; D003172:Complement C1 / Q000378:metabolism*; D003168:Complement Fixation Tests; D003165:Complement System Proteins / Q000378:metabolism*; D004136:Dinitrobenzenes / Q000276:immunology; D004306:Dose-Response Relationship, Immunologic; D004912:Erythrocytes / Q000276:immunology; D006168:Guinea Pigs; D006241:Haptens; D006801:Humans; D007074:Immunoglobulin G; D008239:Lysine / Q000276:immunology; D011817:Rabbits
chemical_list: D000936:Antigen-Antibody Complex; D003172:Complement C1; D004136:Dinitrobenzenes; D006241:Haptens; D007074:Immunoglobulin G; D003165:Complement System Proteins; D008239:Lysine