Reaction catalyzed by zeaxanthin epoxidase (1.14.15.21)
+
4
reduced ferredoxin [iron-sulfur] cluster
+
4
+
2
=
+
4
oxidized ferredoxin [iron-sulfur] cluster
+
2
H2O
zeaxanthin
+
4 reduced ferredoxin [iron-sulfur] cluster
+
4 H+
+
2 O2
=
violaxanthin
+
4 oxidized ferredoxin [iron-sulfur] cluster
+
2 H2O
