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    Phys Rev Lett. 2007 Sep 14;99(11):118102. Epub 2007 Sep 12.

    Quantitative protein dynamics from dominant folding pathways.

    Source

    C.N.R./I.N.F.M. and Dipartimento di Fisica, Università degli Studi di Trento, Via Sommarive 14, Povo (Trento), I-38050 Italy.

    Abstract

    We develop a theoretical approach to the protein-folding problem based on out-of-equilibrium stochastic dynamics. Within this framework, the computational difficulties related to the existence of large time scale gaps are removed, and simulating the entire reaction in atomistic details using existing computers becomes feasible. We discuss how to determine the most probable folding pathway, identify configurations representative of the transition state, and compute the most probable transition time. We perform an illustrative application of these ideas, studying the conformational evolution of alanine dipeptide, within an all-atom model based on the empiric GROMOS96 force field.

    PMID:
    17930474
    [PubMed - indexed for MEDLINE]

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