ID 1.3.3.8 DE tetrahydroberberine oxidase. AN THB oxidase. CA (S)-canadine + H(+) + 2 O2 = berberine + 2 H2O2. CC -!- (R)-tetrahydroberberines are not oxidized. CC -!- Formerly EC 1.5.3.8. DR F1BVB7, STOX_ARGME ; F1BVB6, STOX_BERWI ; //