Reaction catalyzed by 3-methyl-2-oxobutanoate dehydrogenase (ferredoxin) (1.2.7.7)
+
CoA
+
2
=
+
+
2
+
2
3-methyl-2-oxobutanoate
+
CoA
+
2 oxidized ferredoxin
=
S-(2-methylpropanoyl)-CoA
+
CO2
+
2 reduced ferredoxin
+
2 H+
