Reaction catalyzed by 3-methyl-2-oxobutanoate dehydrogenase (2-methylpropanoyl-transferring) (1.2.4.4)
+
=
+
+
2
3-methyl-2-oxobutanoate
+
[dihydrolipoyllysine-residue (2-methylpropanoyl)transferase] lipoyllysine
=
[dihydrolipoyllysine-residue (2-methylpropanoyl)transferase] S-(2-methylpropanoyl)dihydrolipoyllysine
+
CO2
+
2 H+
