The Enzyme Database

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Accepted name: indolepyruvate ferredoxin oxidoreductase
Reaction: (indol-3-yl)pyruvate + CoA + 2 oxidized ferredoxin = S-2-(indol-3-yl)acetyl-CoA + CO2 + 2 reduced ferredoxin + H+
Other name(s): 3-(indol-3-yl)pyruvate synthase (ferredoxin); IOR
Systematic name: 3-(indol-3-yl)pyruvate:ferredoxin oxidoreductase (decarboxylating, CoA-indole-acetylating)
Comments: Contains thiamine diphosphate and [4Fe-4S] clusters. Preferentially utilizes the transaminated forms of aromatic amino acids and can use phenylpyruvate and p-hydroxyphenylpyruvate as substrates. This enzyme, which is found in archaea, is a member of the 2-oxoacid oxidoreductases, a family of enzymes that oxidatively decarboxylate different 2-oxoacids to form their CoA derivatives, and are differentiated based on their substrate specificity. For examples of other members of this family, see EC, 2-oxoglutarate synthase and EC, 3-methyl-2-oxobutanoate dehydrogenase (ferredoxin).
Links to other databases: BRENDA, EXPASY, KEGG, MetaCyc, CAS registry number: 158886-06-7
1.  Mai, X.H. and Adams, M.W.W. Indolepyruvate ferredoxin oxidoreductase from the hyperthermophilic archaeon Pyrococcus furiosus - a new enzyme involved in peptide fermentation. J. Biol. Chem. 269 (1994) 16726–16732. [PMID: 8206994]
2.  Siddiqui, M.A., Fujiwara, S. and Imanaka, T. Indolepyruvate ferredoxin oxidoreductase from Pyrococcus sp. K0d1 possesses a mosaic: Structure showing features of various oxidoreductases. Mol. Gen. Genet. 254 (1997) 433–439. [PMID: 9180697]
3.  Tersteegen, A., Linder, D., Thauer, R.K. and Hedderich, R. Structures and functions of four anabolic 2-oxoacid oxidoreductases in Methanobacterium thermoautotrophicum. Eur. J. Biochem. 244 (1997) 862–868. [PMID: 9108258]
4.  Schut, G.J., Menon, A.L. and Adams, M.W.W. 2-Keto acid oxidoreductases from Pyrococcus furiosus and Thermococcus litoralis. Methods Enzymol. 331 (2001) 144–158. [PMID: 11265457]
[EC created 2003]

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