Cited by 13Protein Structure and DynamicsAdvanced Physical and Chemical Molecular InteractionsRNA and protein synthesis mechanisms

Protein Folding Is Mechanistically Robust

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Weber, Jeffrey K., Pande, Vijay S.·2012·Biophysical Journal

Abstract

Markov state models (MSMs) have proven to be useful tools in simulating large and slowly-relaxing biological systems like proteins. MSMs model proteins through dynamics on a discrete-state energy landscape, allowing molecules to effectively sample large regions of phase space. In this work, we use aspects of MSMs to ask: is protein folding mechanistically robust? We first provide a definition of mechanism in the context of Markovian models, and we later use perturbation theory and the concept of parametric sloppiness to show that parts of the MSM eigenspectrum are resistant to perturbation. We introduce a new, to our knowledge, Bayesian metric by which eigenspectrum robustness can be evaluated, and we discuss the implications of mechanistic robustness and possible new applications of MSMs to understanding biophysical phenomena.

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Crossref · 10.1016/j.bpj.2012.01.028

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  • The dominant experimentally observable slow processes appear to be robust to perturbations in intrinsic rates expected from variations in experimental conditions, suggesting this behavior should be relatively universally observable.

    “The dominant experimentally observable slow processess appear to also be robust to perturbations in intrinsic rates that would be expected from variations in experimental conditions, suggesting this behavior should be relatively universally observable [50].”

    From Markov state models of biomolecular conformational dynamics (2014) · cites this paper as [50]

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  1. [7]7. Schutte, C. 1999. Conformational dynamics: modeling, theory, algorithm, and application to biomolecules. Habilitation thesis. Freie Universitat Berlin, Germany.

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Authors
Weber, J. K., & Pande, V. S.
Affiliations
Stanford University (US)
Corresponding author
Pande, Vijay S.
Venue
Biophysical Journal
Publisher
Elsevier BV
Published
2012-02
Volume
102
Issue
4
Pages
859-867
ISSN
0006-3495 (ISSN-L)
OpenAlex
W2051821750
Cited by
13
References
30
Citations by year
2022: 1 · 2021: 1 · 2020: 1 · 2018: 1 · 2017: 1 · 2015: 2 · 2014: 5 · 2012: 1
FWCI
1.03
Type
journal article
Language
en
Open access
Locations
  • Biophysical Journal (publishedVersion)
  • Europe PMC (PubMed Central) (publishedVersion)
  • PubMed Central (publishedVersion)
  • PubMed (publishedVersion)
Funders
National Institute of General Medical Sciences (R01GM062868)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Protein Structure and Dynamics
  • Physical Sciences › Chemistry › Physical and Theoretical Chemistry › Advanced Physical and Chemical Molecular Interactions
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › RNA and protein synthesis mechanisms
Keywords
protein folding, Markov state models, energy landscape, perturbation theory, Markov model
MeSH terms
Bayes Theorem, Markov Chains, Protein Folding

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