aromatase activity
Catalysis of the reaction: 3 O2 + 3 reduced [NADPH--hemoprotein reductase] + testosterone = 17beta-estradiol + formate + 4 H+ + 4 H2O + 3 oxidized [NADPH--hemoprotein reductase]. Also converts androst-4-ene-3,17-dione into estrone.
GO:0016712
oxidoreductase activity, acting on paired donors, with incorporation or reduction of molecular oxygen, reduced flavin or flavoprotein as one donor, and incorporation of one atom of oxygen
is_a
estrogen synthetase activity
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