3.5.1.13 an anilide + H2O = a carboxylate + aniline - - 3.5.1.13 an anilide + H2O = a carboxylate + aniline acetylcholinesterase, EC 3.1.1.7, and butyrylcholinesterase, EC 3.1.1.8, also show aryl acylamidase activity using the same active site for both reactions, overview 667928 3.5.1.13 an anilide + H2O = a carboxylate + aniline mechanism of substrate specificity and reactivity change of the enzyme, acetylcholinesterase, EC 3.1.1.7, and butyrylcholinesterase, EC 3.1.1.8, are known to exhibit aryl acylamidase activities, overview 670800