PMID:11818529

Citation	Hur, S and Bruice, TC (2002) The mechanism of catalysis of the chorismate to prephenate reaction by the Escherichia coli mutase enzyme. Proc. Natl. Acad. Sci. U.S.A. 99:1176-81
Abstract	Molecular dynamics studies of the Escherichia coli chorismate mutase (EcCM), containing at the active site chorismate and in turn the transition state (TS), have been performed. The simulations show that TS is not bound any tighter than chorismate. Comparison of average polar interactions show they are virtually identical for interactions of EcCM with chorismate and the TS, whereas hydrophobic interactions with TS are much weaker than with chorismate. Interactions and the mechanism of catalysis of chorismate --> prephenate by the EcCM enzyme are discussed.
Links	PubMed PMC122163 Online version:10.1073/pnas.022628599
Keywords	Binding Sites; Calorimetry; Catalysis; Chorismate Mutase/chemistry; Chorismate Mutase/metabolism; Cyclohexanecarboxylic Acids/chemistry; Cyclohexanecarboxylic Acids/metabolism; Cyclohexenes; Escherichia coli/enzymology; Models, Molecular; Molecular Conformation; Protein Conformation; Thermodynamics
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