The Enzyme Database

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EC 4.1.1.43     
Accepted name: phenylpyruvate decarboxylase
Reaction: phenylpyruvate = phenylacetaldehyde + CO2
Glossary: phenylpyruvate = 3-phenyl-2-oxopropanoate
Other name(s): phenylpyruvate carboxy-lyase; phenylpyruvate carboxy-lyase (phenylacetaldehyde-forming)
Systematic name: 3-phenyl-2-oxopropanoate carboxy-lyase (phenylacetaldehyde-forming)
Comments: The enzyme from the bacterium Azospirillum brasilense also acts on some other substrates, including (indol-3-yl)pyruvate, with much lower efficiency. However, it only possesses classical Michaelis-Menten kinetics with phenylpyruvate. Aliphatic 2-oxo acids longer that 2-oxohexanoate are not substrates. cf. EC 4.1.1.74, indolepyruvate decarboxylase.
Links to other databases: BRENDA, EXPASY, KEGG, MetaCyc, CAS registry number: 37289-45-5
References:
1.  Asakawa, T., Wada, H. and Yamano, T. Enzymatic conversion of phenylpyruvate to phenylacetate. Biochim. Biophys. Acta 170 (1968) 375–391. [DOI] [PMID: 4303395]
2.  Spaepen, S., Versees, W., Gocke, D., Pohl, M., Steyaert, J. and Vanderleyden, J. Characterization of phenylpyruvate decarboxylase, involved in auxin production of Azospirillum brasilense. J. Bacteriol. 189 (2007) 7626–7633. [PMID: 17766418]
[EC 4.1.1.43 created 1972]
 
 


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