Reaction catalyzed by sphingolipid 8-(E)-desaturase (1.14.19.18) show all sequences for 1.14.19.18
+2
+
+2
=
+2
+2
H2O
a (4E)-sphing-4-enine ceramide
+
2 ferrocytochrome b5
+
O2
+
2 H+
=
a (4E,8E)-sphing-4,8-dienine ceramide
+
2 ferricytochrome b5
+
2 H2O