4.7 Article

Conformational effects in enzyme catalysis: QM/MM free energy calculation of the 'NAC' contribution in chorismate mutase

Journal

CHEMICAL COMMUNICATIONS
Volume -, Issue 10, Pages 1238-1239

Publisher

ROYAL SOC CHEMISTRY
DOI: 10.1039/b402388a

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Funding

  1. Engineering and Physical Sciences Research Council [GR/R86119/01] Funding Source: researchfish

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The controversial 'near attack conformation' (NAC) effect in the important model enzyme chorismate mutase is calculated to be 3.8-4.6 kcal mol(-1) by QM/MM free energy perturbation molecular dynamics methods, showing that the NAC effect by itself does not account for catalysis in this enzyme.

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