Reaction catalyzed by cholestanetriol 26-monooxygenase (1.14.15.15)
+
2
reduced adrenodoxin
+
2
+
=
+
2
+
2
H2O
(25R)-5beta-cholestane-3alpha,7alpha,12alpha,26-tetraol
+
2 reduced adrenodoxin
+
2 H+
+
O2
=
(25R)-3alpha,7alpha,12alpha-trihydroxy-5beta-cholestan-26-al
+
2 oxidized adrenodoxin
+
2 H2O
