Cited by 292Protein Structure and DynamicsAdvanced Physical and Chemical Molecular InteractionsModel Reduction and Neural Networks

Determination of reaction coordinates via locally scaled diffusion map

Rohrdanz, Mary A., Zheng, Wenwei, Maggioni, Mauro, Clementi, Cecilia·2011·The Journal of Chemical Physics

Abstract

We present a multiscale method for the determination of collective reaction coordinates for macromolecular dynamics based on two recently developed mathematical techniques: diffusion map and the determination of local intrinsic dimensionality of large datasets. Our method accounts for the local variation of molecular configuration space, and the resulting global coordinates are correlated with the time scales of the molecular motion. To illustrate the approach, we present results for two model systems: all-atom alanine dipeptide and coarse-grained src homology 3 protein domain. We provide clear physical interpretation for the emerging coordinates and use them to calculate transition rates. The technique is general enough to be applied to any system for which a Boltzmann-sampled set of molecular configurations is available.

Integrity signals

Registry

Crossref · 10.1063/1.3569857

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39 of 39 references verified0 citation errors · 0 not checkable

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  • The construction of diffusion maps has been extended to model biomolecular dynamics.

    “the construction of diffusion maps—which aim to approximate these eigenfunctions for overdamped Langevin dynamics—have been extended to model biomolecular dynamics, despite being originally introduced as a general data analysis tool [10].”

    From Markov state models of biomolecular conformational dynamics (2014) · cites this paper as [10]

  • Diffusion maps try to link geometric data to the characteristic time scale of the system's motion.

    “methods such as diffusion maps 9,77-79 try to link geometric data to the characteristic time scale of the system's motion.”

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Authors
Rohrdanz, M. A., Zheng, W., Maggioni, M., & Clementi, C.
Affiliations
  • Rice University (US)
  • Duke University (US)
Venue
The Journal of Chemical Physics
Published
2011-03-28
Volume
134
Issue
12
Pages
124116-124116
ISSN
  • 0021-9606 (ISSN-L)
  • 1089-7690
OpenAlex
W1971725855
Cited by
292
References
40
Citations by year
2026: 8 · 2025: 12 · 2024: 15 · 2023: 12 · 2022: 14 · 2021: 18 · 2020: 18 · 2019: 22 · 2018: 23 · 2017: 46 · 2016: 24 · 2015: 25 · 2014: 19 · 2013: 19 · 2012: 9
FWCI
7.12
Type
journal article
Language
en
Open access
closed
Locations
  • The Journal of Chemical Physics (publishedVersion)
  • PubMed (publishedVersion)
Funders
National Science Foundation (0835712, 0835824, CHE-0349303, CNS-0421109, CNS-0821727, DMS-0650413, EIA-0216467)
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
reaction coordinate, diffusion maps, collective variables, macromolecular dynamics, intrinsic dimension, multiscale methods, alanine dipeptide, SH3 domain, transition rates

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