The Enzyme Database

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Accepted name: 3-(aryl)acrylate reductase
Reaction: (1) phloretate + electron-transfer flavoprotein = 4-coumarate + reduced electron-transfer flavoprotein
(2) 3-phenylpropanoate + electron-transfer flavoprotein = trans-cinnamate + reduced electron-transfer flavoprotein
(3) 3-(1H-indol-3-yl)propanoate + electron-transfer flavoprotein = 3-(indol-3-yl)acrylate + reduced electron-transfer flavoprotein
Glossary: phloretate = 3-(4-hydroxyphenyl)propanoate
crotonate = (2E)-but-2-enoate
Other name(s): acdA (gene name)
Systematic name: 3-(phenyl)propanoate:electron-transfer flavoprotein 2,3-oxidoreductase
Comments: The enzyme, found in some amino acid-fermenting anaerobic bacteria, participates in the fermentation pathways of L-phenylalanine, L-tyrosine, and L-tryptophan. Unlike EC, 2-enoate reductase, this enzyme has minimal activity with crotonate.
Links to other databases: BRENDA, EXPASY, KEGG, MetaCyc
1.  Dodd, D., Spitzer, M.H., Van Treuren, W., Merrill, B.D., Hryckowian, A.J., Higginbottom, S.K., Le, A., Cowan, T.M., Nolan, G.P., Fischbach, M.A. and Sonnenburg, J.L. A gut bacterial pathway metabolizes aromatic amino acids into nine circulating metabolites. Nature 551 (2017) 648–652. [PMID: 29168502]
[EC created 2019]

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