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1.3.1.109: butanoyl-CoA dehydrogenase complex (NAD+, ferredoxin)

This is an abbreviated version!
For detailed information about butanoyl-CoA dehydrogenase complex (NAD+, ferredoxin), go to the full flat file.

Word Map on EC 1.3.1.109

Reaction

butanoyl-CoA
+ 2 NAD+ + 2 reduced ferredoxin [iron-sulfur] cluster =
(E)-but-2-enoyl-CoA
+ 2 NADH + 2 oxidized ferredoxin [iron-sulfur] cluster

Synonyms

BCD, Bcd/electron-transfer flavoprotein complex, Bcd/EtfAB, BcdA-EtfBC, Bct/Etf complex, bifurcating butanoyl-CoA dehydrogenase, bifurcating butyryl coenzyme A dehydrogenase/electron-transferring flavoprotein complex, bifurcating butyryl-CoA dehydrogenase, butanoyl-CoA dehydrogenase (NAD+, ferredoxin), butanoyl-CoA dehydrogenase/Etf complex, butyryl coenzyme A dehydrogenase, butyryl-CoA dehydrogenase, butyryl-CoA dehydrogenase-EtfAB complex, butyryl-CoA dehydrogenase/electron transferring flavoprotein complex, butyryl-CoA dehydrogenase/Etf complex, butyryl-coenzyme A dehydrogenase-EtfAB complex, electron transferring flavoprotein/butyryl-CoA dehydrogenase, Etf-Bcd complex, Etf-butyryl-CoA dehydrogenase complex, EtfAB/Bcd

ECTree

     1 Oxidoreductases
         1.3 Acting on the CH-CH group of donors
             1.3.1 With NAD+ or NADP+ as acceptor
                1.3.1.109 butanoyl-CoA dehydrogenase complex (NAD+, ferredoxin)

Systematic Name

Systematic Name on EC 1.3.1.109 - butanoyl-CoA dehydrogenase complex (NAD+, ferredoxin)

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SYSTEMATIC NAME
IUBMB Comments
butanoyl-CoA:NAD+, ferredoxin oxidoreductase
The enzyme is a complex of a flavin-containing dehydrogenase component (Bcd) and an electron-transfer flavoprotein dimer (EtfAB). The enzyme complex, isolated from the bacteria Acidaminococcus fermentans and butanoate-producing Clostridia species, couples the exergonic reduction of (E)-but-2-enoyl-CoA to butanoyl-CoA by NADH to the endergonic reduction of ferredoxin by NADH, using electron bifurcation to overcome the steep energy barrier in ferredoxin reduction.