Cited by 308Advanced Physical and Chemical Molecular InteractionsProtein Structure and DynamicsAdvanced Thermodynamics and Statistical Mechanics

Variational approach to molecular kinetics

Nüske, Feliks, Keller, Bettina G., Pérez-Hernández, Guillermo, Mey, Antonia S. J. S., Noé, Frank·2014·Journal of Chemical Theory and Computation

Abstract

The eigenvalues and eigenvectors of the molecular dynamics propagator (or transfer operator) contain the essential information about the molecular thermodynamics and kinetics. This includes the stationary distribution, the metastable states, and state-to-state transition rates. Here, we present a variational approach for computing these dominant eigenvalues and eigenvectors. This approach is analogous to the variational approach used for computing stationary states in quantum mechanics. A corresponding method of linear variation is formulated. It is shown that the matrices needed for the linear variation method are correlation matrices that can be estimated from simple MD simulations for a given basis set. The method proposed here is thus to first define a basis set able to capture the relevant conformational transitions, then compute the respective correlation matrices, and then to compute their dominant eigenvalues and eigenvectors, thus obtaining the key ingredients of the slow kinetics.

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Crossref · 10.1021/ct4009156

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  • The variational principle has been applied to the approximation of peptide dynamics via Gaussian basis sets.

    “Ref. [15] discusses differences and similarities to quantum-mechanical approaches that may be exploited and applies the variational principle to the approximation of the peptide dynamics via Gaussian basis sets.”

    From Markov state models of biomolecular conformational dynamics (2014) · cites this paper as [15]

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Authors
Nüske, F., Keller, B. G., Pérez-Hernández, G., Mey, A. S. J. S., & Noé, F.
Affiliations
  • Freie Universität Berlin (DE)
  • Department for Mathematics and Computer Science, Freie Universität Berlin, 14195 Berlin, Germany
Corresponding author
  • Keller, Bettina G.
  • Noé, Frank
Venue
Journal of Chemical Theory and Computation
Published
2014-03-06
Volume
10
Issue
4
Pages
1739-1752
ISSN
  • 1549-9618 (ISSN-L)
  • 1549-9626
OpenAlex
W1989544083
Cited by
308
References
66
Citations by year
2026: 18 · 2025: 19 · 2024: 23 · 2023: 27 · 2022: 26 · 2021: 25 · 2020: 26 · 2019: 43 · 2018: 32 · 2017: 27 · 2016: 21 · 2015: 15 · 2014: 6
FWCI
14.75
Type
journal article
Language
en
Open access
closed
Locations
  • Journal of Chemical Theory and Computation (publishedVersion)
  • PubMed (publishedVersion)
Topics
  • Physical Sciences › Chemistry › Physical and Theoretical Chemistry › Advanced Physical and Chemical Molecular Interactions
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Protein Structure and Dynamics
  • Physical Sciences › Physics and Astronomy › Statistical and Nonlinear Physics › Advanced Thermodynamics and Statistical Mechanics
Keywords
molecular kinetics, transfer operator, stationary distribution, metastable states, correlation matrix, conformational change, variational methods

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