ID 1.14.14.73 DE albendazole monooxygenase (sufoxide-forming). AN albendazole hydroxylase. AN albendazole sulfoxidase. AN CYP1A2. AN CYP2J2. AN CYP3A4. CA (1) albendazole + O2 + reduced [NADPH--hemoprotein reductase] = CA albendazole S-oxide + H(+) + H2O + oxidized [NADPH--hemoprotein CA reductase]. CA (2) fenbendazole + O2 + reduced [NADPH--hemoprotein reductase] = CA fenbendazole S-oxide + H(+) + H2O + oxidized [NADPH--hemoprotein CA reductase]. CC -!- This is one of the activities carried out by some microsomal CC cytochrome P450 monooxygenases. CC -!- A similar conversion is also carried out by a different microsomal CC enzyme (EC 1.14.13.32), but it is estimated that cytochrome P450s are CC responsible for 70% of the activity. DR P51589, CP2J2_HUMAN; P08684, CP3A4_HUMAN; //