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