The Enzyme Database

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Accepted name: 2-oxo-hept-4-ene-1,7-dioate hydratase
Reaction: (4Z)-2-oxohept-4-enedioate + H2O = (4S)-4-hydroxy-2-oxoheptanedioate
Other name(s): HpcG
Systematic name: (4S)-4-hydroxy-2-oxoheptanedioate hydro-lyase [(4Z)-2-oxohept-4-enedioate-forming]
Comments: Requires Mg2+ [2]. Part of a 4-hydroxyphenylacetate degradation pathway in Escherichia coli C.
Links to other databases: BRENDA, EXPASY, KEGG, MetaCyc, PDB
1.  Burks, E.A., Johnson, W.H., Jr. and Whitman, C.P. Stereochemical and isotopic labeling studies of 2-oxo-hept-4-ene-1,7-dioate hydratase: evidence for an enzyme-catalyzed ketonization step in the hydration reaction. J. Am. Chem. Soc. 120 (1998) 7665–7675.
2.  Izumi, A., Rea, D., Adachi, T., Unzai, S., Park, S.Y., Roper, D.I. and Tame, J.R. Structure and mechanism of HpcG, a hydratase in the homoprotocatechuate degradation pathway of Escherichia coli. J. Mol. Biol. 370 (2007) 899–911. [DOI] [PMID: 17559873]
[EC created 2016]

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