Reaction catalyzed by 7alpha-hydroxycholest-4-en-3-one 12alpha-hydroxylase (1.14.18.8) show all sequences for 1.14.18.8
+2
+2
+
=
+2
+
+ H2O
7alpha-hydroxycholest-4-en-3-one
+
2 ferrocytochrome b5
+
2 H+
+
O2
=
7alpha,12alpha-dihydroxycholest-4-en-3-one
+
2 ferricytochrome b5
+
+ H2O