Cited by 228Protein Structure and DynamicsAdvanced Physical and Chemical Molecular InteractionsModel Reduction and Neural Networks

Markov state models based on milestoning

Open access
Schütte, Christof, Noé, Frank, Lu, Jianfeng, Sarich, Marco, Vanden-Eijnden, Eric·2011·The Journal of Chemical Physics

Abstract

Markov state models (MSMs) have become the tool of choice to analyze large amounts of molecular dynamics data by approximating them as a Markov jump process between suitably predefined states. Here we investigate “Core Set MSMs,” a new type of MSMs that build on metastable core sets acting as milestones for tracing the rare event kinetics. We present a thorough analysis of Core Set MSMs based on the existing milestoning framework, Bayesian estimation methods and Transition Path Theory (TPT). We show that Core Set MSMs can be used to extract phenomenological rate constants between the metastable sets of the system and to approximate the evolution of certain key observables. The performance of Core Set MSMs in comparison to standard MSMs is analyzed and illustrated on a toy example and in the context of the torsion angle dynamics of alanine dipeptide.

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  • In the MSM framework, the core projection method effectively uses core committor functions as basis functions, which often provides a superior approximation to the eigenfunctions of the transfer operator when the number of cores is small.

    “In the MSM framework, this core projection method effectively uses the core committor functions as basis functions, which often provides a superior approximation to the eigenfunctions of the transfer operator when the number of cores is small [23].”

    From Markov state models of biomolecular conformational dynamics (2014) · cites this paper as [23]

    Section III.C (page not available) explicitly defines the projection space as spanned by core committor functions. In the model example, the first nontrivial eigenfunction of the generator is nearly identical to its projection for one choice of two cores, but the paper does not establish that a small number of cores often gives a superior approximation to transfer-operator eigenfunctions. It emphasizes that approximation quality depends on the choice of core sets. (LLM, conf=0.84)

    Experimental — accuracy not yet measured
  • The core discretization scheme is equivalent to milestoning, with the cores being milestones.

    “This core discretization scheme was subsequently shown to be equivalent to milestoning, with the cores being milestones [23].”

    From Markov state models of biomolecular conformational dynamics (2014) · cites this paper as [23]

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1 of the 51 references couldn’t be matched to a known paper.

Research works printed but not linked: 5

  1. Markov state models based on milestoning J. Chem. Phys. 134, 204105 (2011)
  2. D. J. Wales, Energy Landscapes (Cambridge University Press, Cambridge, 2003).
  3. U.S.A. 103, 17747 (2006). · DOI
  4. C. Schuette and W. Huisinga, in Handbook of Numerical Analysis, Vol. 10 (Elsevier, Amsterdam, 2003), pp. 699-744.
  5. M. Sarich, F. Noé, and C. Schuette, Multiscale Model. Simul. 8, 1154 (2010). · DOI · Paper page

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Authors
Schütte, C., Noé, F., Lu, J., Sarich, M., & Vanden-Eijnden, E.
Affiliations
  • Freie Universität Berlin (DE)
  • Courant Institute of Mathematical Sciences (US)
  • New York University 2 Courant Institute of Mathematical Sciences, , New York, New York 10012, USA
Venue
The Journal of Chemical Physics
Published
2011-05-24
Volume
134
Issue
20
Pages
204105-204105
ISSN
  • 0021-9606 (ISSN-L)
  • 1089-7690
OpenAlex
W1977875643
Cited by
228
References
51
Citations by year
2026: 10 · 2025: 7 · 2024: 6 · 2023: 13 · 2022: 10 · 2021: 23 · 2020: 17 · 2019: 15 · 2018: 18 · 2017: 24 · 2016: 16 · 2015: 21 · 2014: 11 · 2013: 18 · 2012: 18
FWCI
6.21
Type
journal article
Language
en
Open access
Locations
  • The Journal of Chemical Physics (publishedVersion)
  • PubMed (publishedVersion)
  • Refubium (Universitätsbibliothek der Freien Universität Berlin) (submittedVersion)
  • Universitätsbibliothek der FU Berlin Hochschulschriftenstelle u. Dokumentenserver
Funders
  • Office of Naval Research (N00014-04-1-6046)
  • National Science Foundation (DMS-0708140, DMS-0718172)
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
  • Physical Sciences › Physics and Astronomy › Statistical and Nonlinear Physics › Model Reduction and Neural Networks
Keywords
Markov state models, milestoning, metastable states, transition path theory, Bayesian estimation, alanine dipeptide
MeSH terms
Kinetics, Models, Chemical, Quantum Theory, Molecular Dynamics Simulation

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