ID   1.14.99.24
DE   steroid 9alpha-monooxygenase.
AN   steroid 9alpha-hydroxylase.
CA   AH2 + O2 + pregna-4,9(11)-diene-3,20-dione = 9,11alpha-epoxypregn-4-ene-
CA   3,20-dione + A + H2O.
CC   -!- An enzyme system involving a flavoprotein (FMN) and two iron-sulfur
CC       proteins.
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