ID 3.1.8.2 DE Diisopropyl-fluorophosphatase. AN DFPase. AN OPA anhydrase. AN OPAA. AN Organophosphorus acid anhydrolase. AN Somanase. AN Tabunase. CA Diisopropyl fluorophosphate + H(2)O = diisopropyl phosphate + fluoride. CF Divalent cation. 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 ; //