testosterone 16-alpha-hydroxylase activity
Catalysis of the reaction: O2 + reduced [NADPH--hemoprotein reductase] + testosterone = 16alpha,17beta-dihydroxyandrost-4-en-3-one + H+ + H2O + oxidized [NADPH--hemoprotein reductase].
GO:0008395
steroid hydroxylase activity
is_a
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
cytochrome P450 CYP2B10
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cytochrome P450 CYP2B9
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cytochrome P450 CYP2D10
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cytochrome P450 CYP2D11
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cytochrome P450 CYP2D9
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