Change in antibody conformation induced by hapten.
D000906:Antibodies; D000937:Antigen-Antibody Reactions; D001152:Arsenicals; D001391:Azo Compounds; D055598:Chemical Phenomena; D002621:Chemistry; D002918:Chymotrypsin; D006241:Haptens; D000644:Quaternary Ammonium Compounds