label: testosterone 16-alpha-hydroxylase activity
label_lc: testosterone 16-alpha-hydroxylase activity
description: "Catalysis of the reaction: O2 + reduced [NADPH--hemoprotein reductase] + testosterone = 16alpha,17beta-dihydroxyandrost-4-en-3-one + H+ + H2O + oxidized [NADPH--hemoprotein reductase]."