label: 3-ketosteroid 9-alpha-monooxygenase activity
label_lc: 3-ketosteroid 9-alpha-monooxygenase activity
description: "Catalysis of the reaction: androsta-1,4-diene-3,17-dione + 2 H+ + O2 + 2 reduced [2Fe-2S]-[ferredoxin] = 9alpha-hydroxyandrosta-1,4-diene-3,17-dione + H2O + 2 oxidized [2Fe-2S]-[ferredoxin]."