組織名は3-methyl-2-oxobutanoate:ferredoxin oxidoreductase(decarboxylating;coa-2-methylpropanoylating)で、別名に2-ketoisovalerate ferredoxin reductase,3-methyl-2-oxobutanoate synthase(ferredoxin),branched-chain ketoacid ferredoxin reductase,branched-chain oxo acid ferredoxin reductase,keto-valine-ferredoxin oxidoreductase,ketoisovalerate ferredoxin reductase,2-oxoisovalerate ferredoxin reductaseがある。