2-オキソ酪酸シンターゼ
組織名は2-oxobutanoate:ferredoxin 2-oxidoreductase (CoA-propanoylating)で、別名にα-ketobutyrate-ferredoxin oxidoreductase, 2-ketobutyrate synthase, α-ketobutyrate synthase, 2-oxobutyrate-ferredoxin oxidoreductase, 2-oxobutanoate:ferredoxin 2-oxidoreductase (CoA-propionylating)がある。