label: aromatase activity
label_lc: aromatase activity
description: "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."