The Enzyme Database

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Accepted name: crotonyl-CoA reductase
Reaction: butanoyl-CoA + NADP+ = (E)-but-2-enoyl-CoA + NADPH + H+
For diagram of lysine catabolism, click here
Glossary: (E)-but-2-enoyl-CoA = crotonyl-CoA
butanoyl-CoA = butyryl-CoA
Other name(s): butyryl-CoA dehydrogenase; butyryl dehydrogenase; unsaturated acyl-CoA reductase; ethylene reductase; enoyl-coenzyme A reductase; unsaturated acyl coenzyme A reductase; butyryl coenzyme A dehydrogenase; short-chain acyl CoA dehydrogenase; short-chain acyl-coenzyme A dehydrogenase; 3-hydroxyacyl CoA reductase; butanoyl-CoA:(acceptor) 2,3-oxidoreductase; CCR
Systematic name: butanoyl-CoA:NADP+ 2,3-oxidoreductase
Comments: Catalyses the reaction in the reverse direction. This enzyme from Streptomyces collinus is specific for (E)-but-2-enoyl-CoA, and is proposed to provide butanoyl-CoA as a starter unit for straight-chain fatty acid biosynthesis.
Links to other databases: BRENDA, EXPASY, KEGG, MetaCyc, PDB
1.  Wallace, K.K., Bao, Z.Y., Dai, H., Digate, R., Schuler, G., Speedie, M.K. and Reynolds, K.A. Purification of crotonyl-CoA reductase from Streptomyces collinus and cloning, sequencing and expression of the corresponding gene in Escherichia coli. Eur. J. Biochem. 233 (1995) 954–962. [DOI] [PMID: 8521864]
[EC created 2011]

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