Reaction catalyzed by 3-methyl-2-oxobutanoate dehydrogenase (2-methylpropanoyl-transferring) (1.2.4.4)
+
NAD+
+
CoA
=
+
NADH
+
2-oxo-4-methylthiobutanoate
+
NAD+
+
CoA
=
3-methylthiopropionyl-CoA
+
NADH
+
CO2
