Reaction catalyzed by beta-carotene 3-hydroxylase (1.14.15.24)
+
reduced ferredoxin [iron-sulfur] cluster
+
+
=
+
oxidized ferredoxin [iron-sulfur] cluster
+
H2O
3'-hydroxyechinenone
+
reduced ferredoxin [iron-sulfur] cluster
+
H+
+
O2
=
4-ketozeaxanthin
+
oxidized ferredoxin [iron-sulfur] cluster
+
H2O
