Reaction catalyzed by cholesterol 7alpha-monooxygenase (1.14.14.23)
+
NADPH
+
=
+
NADP+
+
H2O
5alpha-cholestan-3beta-ol
+
NADPH
+
O2
=
5alpha-cholestan-3beta,7alpha-diol
+
NADP+
+
H2O
