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Collective Variable Description of Native Protein Dynamics

Collective Variable Description of Native Protein Dynamics The importance of collective motions in proteins, such as hinge-bending motions or motions involving domains, has been recognized. Occurrence of such motions and their experimental and theoretical studies are reviewed. Normal-mode analysis and principal component analysis are powerful theoretical tools for studying such motions. The former is based on the assumption of harmonicity of the dynamics, while the latter is valid even when the dynamics is highly anharmonic. The results of the latter analysis indicate that most important conformational events are taking place in a conformational subspace spanned by a rather small number of principal modes, and this important subspace is also spanned by a small number of normal modes. The normal-mode refinement method of protein X-ray crystallography, which is developed based on the concept of the above important subspace, is discussed. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Annual Review of Physical Chemistry Annual Reviews

Collective Variable Description of Native Protein Dynamics

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Publisher
Annual Reviews
Copyright
Copyright 1995 Annual Reviews. All rights reserved
Subject
Review Articles
ISSN
0066-426X
eISSN
1545-1593
DOI
10.1146/annurev.pc.46.100195.001255
pmid
24329489
Publisher site
See Article on Publisher Site

Abstract

The importance of collective motions in proteins, such as hinge-bending motions or motions involving domains, has been recognized. Occurrence of such motions and their experimental and theoretical studies are reviewed. Normal-mode analysis and principal component analysis are powerful theoretical tools for studying such motions. The former is based on the assumption of harmonicity of the dynamics, while the latter is valid even when the dynamics is highly anharmonic. The results of the latter analysis indicate that most important conformational events are taking place in a conformational subspace spanned by a rather small number of principal modes, and this important subspace is also spanned by a small number of normal modes. The normal-mode refinement method of protein X-ray crystallography, which is developed based on the concept of the above important subspace, is discussed.

Journal

Annual Review of Physical ChemistryAnnual Reviews

Published: Oct 1, 1995

Keywords: normal-mode analysis; computer simulation; anharmonicity; X-ray refinement; solvent effects

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