Reaction catalyzed by sphingolipid C4-monooxygenase (1.14.18.5)
+
NADPH
+
+
=
+
NADP+
+
H2O
D-erythro-sphinganine
+
NADPH
+
H+
+
O2
=
4-hydroxysphinganine
+
NADP+
+
H2O
