androst-4-ene-3,17-dione monooxygenase activity
Catalysis of the reaction: AH(2) + androst-4-ene-3,17-dione + O2 = A + H2O + testololactone.
GO:0004508
steroid 17-alpha-monooxygenase activity
is_a
4-androstene-3,17-dione monooxygenase activity
exact
androst-4-ene-3,17-dione 17-oxidoreductase activity
related
androst-4-ene-3,17-dione hydroxylase activity
related
androst-4-ene-3,17-dione-hydrogen-donor:oxygen oxidoreductase (13-hydroxylating, lactonizing)
related
androstene-3,17-dione hydroxylase activity
exact
androstenedione monooxygenase activity
related