EC 3.1.8

Aryldialkylphosphatase (EC 3.1.8.1, also known as phosphotriesterase, organophosphate hydrolase, parathion hydrolase, paraoxonase, and parathion aryl esterase; systematic name aryltriphosphate dialkylphosphohydrolase) is a metalloenzyme that hydrolyzes the triester linkage found in organophosphate insecticides: