Butyryl-CoA dehydrogenase complex

Additionally, the enzyme catalysing crotonyl-CoA reduction, butyryl-CoA dehydrogenase complex (Bcd-EtfAB), was replaced by tra/is-enoyl-CoA reductase (Ter) that catalyses an irreversible reduction. Furthermore, tra/w-enoyl-CoA reductase utilises NADH directly as the electron donor, thus is coupled to the driving force more tightly. 

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See also in sourсe #XX -- [ ]

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