Reaction catalyzed by acyl-lipid (9+3)-(E)-desaturase (1.14.19.34)
+
2
+
+
2
=
+
2
+
2
H2O
an oleoyl-[glycerolipid]
+
2 ferrocytochrome b5
+
O2
+
2 H+
=
a (9Z,12E)-octadeca-9,12-dienoyl-[glycerolipid]
+
2 ferricytochrome b5
+
2 H2O
