Protein folding: from theory to practice.

D Thirumalai, Zhenxing Liu, Edward P O'Brien, Govardhan Reddy

Biophysics Program, Institute for Physical Science and Technology, University of Maryland, College Park, MD 20742, United States. thirum@umd.edu

Current opinion in structural biology 2013 Feb

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A quantitative theory of protein folding should make testable predictions using theoretical models and simulations performed under conditions that closely mimic those used in experiments. Typically, in laboratory experiments folding or unfolding is initiated using denaturants or external mechanical force, whereas theories and simulations use temperature as the control parameter, thus making it difficult to make direct comparisons with experiments. The molecular transfer model (MTM), which incorporates environmental changes using measured quantities in molecular simulations, overcomes these difficulties. Predictions of the folding thermodynamics and kinetics of a number of proteins using MTM simulations are in remarkable agreement with experiments. The MTM and all atom simulations demonstrating the presence of dry globules represent major advances in the proteins folding field. Copyright © 2012 Elsevier Ltd. All rights reserved.

Citation

D Thirumalai, Zhenxing Liu, Edward P O'Brien, Govardhan Reddy. Protein folding: from theory to practice. Current opinion in structural biology. 2013 Feb;23(1):22-9