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Dihydrofolate reductase as a model for studies of enzyme dynamics and catalysis.


ABSTRACT: Dihydrofolate reductase from Escherichia coli (ecDHFR) serves as a model system for investigating the role of protein dynamics in enzyme catalysis. We discuss calculations predicting a network of dynamic motions that is coupled to the chemical step catalyzed by this enzyme. Kinetic studies testing these predictions are presented, and their potential use in better understanding the role of these dynamics in enzyme catalysis is considered. The cumulative results implicate motions across the entire protein in catalysis.

SUBMITTER: Kohen A 

PROVIDER: S-EPMC4754028 | biostudies-literature | 2015

REPOSITORIES: biostudies-literature

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Dihydrofolate reductase as a model for studies of enzyme dynamics and catalysis.

Kohen Amnon A  

F1000Research 20151217


Dihydrofolate reductase from Escherichia coli (ecDHFR) serves as a model system for investigating the role of protein dynamics in enzyme catalysis. We discuss calculations predicting a network of dynamic motions that is coupled to the chemical step catalyzed by this enzyme. Kinetic studies testing these predictions are presented, and their potential use in better understanding the role of these dynamics in enzyme catalysis is considered. The cumulative results implicate motions across the entire  ...[more]

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