Reaction catalyzed by acyl-CoA 6-desaturase (1.14.19.3)
+
2
+
+
2
=
+
2
+
2
H2O
linoleoyl-CoA
+
2 ferrocytochrome b5
+
O2
+
2 H+
=
gamma-linolenoyl-CoA
+
2 ferricytochrome b5
+
2 H2O
