Dimethylaniline monooxygenase [N-oxide-forming] 2 (FMO2)

Catalyzes the N-oxidation of certain primary alkylamines to their oximes via an N-hydroxylamine intermediate. Inactive toward certain tertiary amines, such as imipramine or chloropromazine.

Can catalyze the S-oxidation of methimazole. The truncated form is catalytically inactive.