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Role of Conformational Motions in Enzyme Function: Selected Methodologies and Case Studies

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Narayanan, Chitra; Bernard, David N.; Doucet, Nicolas (2016). Role of Conformational Motions in Enzyme Function: Selected Methodologies and Case Studies Catalysts , vol. 6 , nº 6:81. p. 1-17. DOI: 10.3390/catal6060081.

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Résumé

It is now common knowledge that enzymes are mobile entities relying on complex atomic-scale dynamics and coordinated conformational events for proper ligand recognition and catalysis. However, the exact role of protein dynamics in enzyme function remains either poorly understood or difficult to interpret. This mini-review intends to reconcile biophysical observations and biological significance by first describing a number of common experimental and computational methodologies employed to characterize atomic-scale residue motions on various timescales in enzymes, and second by illustrating how the knowledge of these motions can be used to describe the functional behavior of enzymes and even act upon it. Two biologically relevant examples will be highlighted, namely the HIV-1 protease and DNA polymerase beta enzyme systems.

Type de document: Article
Mots-clés libres: DNA polymerase β; HIV-1 protease; conformational dynamics; enzyme catalysis; molecular dynamics simulations; nuclear magnetic resonance
Centre: Centre INRS-Institut Armand Frappier
Date de dépôt: 25 févr. 2019 17:14
Dernière modification: 25 févr. 2019 17:14
URI: http://espace.inrs.ca/id/eprint/5563

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