Reaction catalyzed by all-trans-retinol 3,4-desaturase (1.14.19.53)
+
2
reduced adrenodoxin
+
2
+
=
+
2
+
2
H2O
all-trans-retinol
+
2 reduced adrenodoxin
+
2 H+
+
O2
=
all-trans-3,4-didehydroretinol
+
2 oxidized adrenodoxin
+
2 H2O