Term Name:	steroid 9-alpha-monooxygenase activity
Synonyms:	steroid 9-alpha-hydroxylase activity, steroid 9a-monooxygenase activity, steroid 9alpha-hydroxylase activity, steroid 9alpha-monooxygenase activity, steroid,hydrogen-donor:oxygen oxidoreductase (9-epoxidizing)
Definition:	Catalysis of the reaction: AH2 + O2 + pregna-4,9(11)-diene-3,20-dione = 9,11alpha-epoxypregn-4-ene-3,20-dione + A + H2O.
Ontology:	GO: Molecular Function [GO:0050292]    QuickGO    AmiGO