Reaction catalyzed by biflaviolin synthase (1.14.19.69)
2
+
2
reduced ferredoxin [iron-sulfur] cluster
+
2
+
=
+
2
oxidized ferredoxin [iron-sulfur] cluster
+
2
H2O
2 flaviolin
+
2 reduced ferredoxin [iron-sulfur] cluster
+
2 H+
+
O2
=
3,3'-biflaviolin
+
2 oxidized ferredoxin [iron-sulfur] cluster
+
2 H2O