Enzyme Nomenclature. Recommendations
EC 1.2.4.1 pyruvate dehydrogenase (acetyl-transferring)
EC 1.2.4.2 oxoglutarate dehydrogenase (succinyl-transferring)
EC 1.2.4.3 deleted, included in EC 1.2.4.4
EC 1.2.4.4 3-methyl-2-oxobutanoate dehydrogenase (2-methylpropanoyl-transferring)