Reaction catalyzed by acyl-lipid DELTA6-acetylenase (1.14.19.38)
+
2
+
+
2
=
+
2
+
2
H2O
a gamma-linolenoyl-[glycerolipid]
+
2 ferrocytochrome b5
+
O2
+
2 H+
=
a (9Z,12Z)-octadeca-9,12-dien-6-ynoyl-[glycerolipid]
+
2 ferricytochrome b5
+
2 H2O
