Reaction catalyzed by cholesterol 7-desaturase (1.14.19.21)
+
+
NAD(P)H
+
=
+
NAD(P)+
+
2
H2O
cholesterol
+
O2
+
NAD(P)H
+
H+
=
cholesta-5,7-dien-3beta-ol
+
NAD(P)+
+
2 H2O
