Reaction catalyzed by acyl-lipid (11-3)-desaturase (1.14.19.4)
+
reduced acceptor
+
H2O
=
+
acceptor
+
H2O
4-hydroxysphinganine
+
reduced acceptor
+
H2O
=
4-hydroxy-trans-8-sphingenine
+
acceptor
+
H2O
