title: The evolution of the immune response. XI. The immunoglobulins of the horned shark, Heterodontus francisci: purification, characterization and structural requirement for antibody activity.
mesh_terms: D000818:Animals; D000917:Antibody Formation; D000941:Antigens; D001665:Binding Sites; D005075:Biological Evolution; D002003:Brucella abortus / Q000276:immunology; D003545:Cysteine / Q000494:pharmacology; D004589:Electrophoresis, Disc; D004988:Ethers, Cyclic / Q000494:pharmacology; D006386:Hemagglutination Tests; D007106:Immune Sera / Q000032:analysis; D007120:Immunochemistry; D005779:Immunodiffusion; D007122:Immunoelectrophoresis; D007136:Immunoglobulins / Q000302:isolation & purification; D010084:Oxidation-Reduction; D012754:Sharks / Q000276:immunology*; D005719:gamma-Globulins / Q000302:isolation & purification*
chemical_list: D000941:Antigens; D004988:Ethers, Cyclic; D007106:Immune Sera; D007136:Immunoglobulins; D005719:gamma-Globulins; D003545:Cysteine