Reaction catalyzed by beta-carotene 3-hydroxylase (1.14.15.24)
+
4
reduced ferredoxin [iron-sulfur] cluster
+
2
+
2
=
+
+
4
oxidized ferredoxin [iron-sulfur] cluster
+
2
H2O
echinenone
+
4 reduced ferredoxin [iron-sulfur] cluster
+
2 H+
+
2 O2
=
3'-hydroxyechinenone
+
3-hydroxyechinenone
+
4 oxidized ferredoxin [iron-sulfur] cluster
+
2 H2O
