ID 3.1.8.2 DE diisopropyl-fluorophosphatase. AN DFPase. AN OPAA. AN OPA anhydrase. AN organophosphorus acid anhydrolase. AN somanase. AN tabunase. CA diisopropyl fluorophosphate + H2O = diisopropyl phosphate + fluoride + CA 2 H(+). CC -!- Acts on phosphorus anhydride bonds (such as phosphorus-halide and CC phosphorus-cyanide) in organophosphorus compounds (including nerve CC gases). CC -!- Inhibited by chelating agents. CC -!- Related to EC 3.1.8.1. CC -!- Formerly EC 3.8.2.1. DR Q7SIG4, DFPA_LOLVU ; Q44238, PEPQ_ALTSX ; P77814, PEPQ_PSEHA ; //