Reaction catalyzed by acyl-lipid omega-6 desaturase (cytochrome b5) (1.14.19.22)
+
2
+
+
2
=
+
2
+
2
H2O
1-acyl-2-oleoyl-sn-glycero-3-phosphorylcholine
+
2 ferrocytochrome b5
+
O2
+
2 H+
=
1-acyl-2-linoleoyl-sn-glycero-3-phosphorylcholine
+
2 ferricytochrome b5
+
2 H2O
