Cited by 150Protein Structure and DynamicsLipid Membrane Structure and BehaviorAdvanced Physical and Chemical Molecular Interactions

CG2AT2: An enhanced fragment-based approach for serial multi-scale molecular dynamics simulations

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Vickery, Owen N., Stansfeld, Phillip J.·2021·Journal of Chemical Theory and Computation

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Abstract

Coarse-grained molecular dynamics provides a means for simulating the assembly and interactions of macromolecular complexes at a reduced level of representation, thereby allowing both longer timescale and larger sized simulations. Here, we describe an enhanced fragment-based protocol for converting macromolecular complexes from coarse-grained to atomistic resolution, for further refinement and analysis. While the focus is upon systems that comprise an integral membrane protein embedded in a phospholipid bilayer, the technique is also suitable for membrane-anchored and soluble protein/nucleotide complexes. Overall, this provides a method for generating an accurate and well-equilibrated atomic-level description of a macromolecular complex. The approach is evaluated using a diverse test set of 11 system configurations of varying size and complexity. Simulations are assessed in terms of protein stereochemistry, conformational drift, lipid/protein interactions, and lipid dynamics.

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  • A number of backmapping tools optimized for Martini already exist.

    “A number of such backmapping tools, optimized for Martini, already exist (Louison et al., 2021; Vickery and Stansfeld, 2021; López et al., 2022).”

    From Molecular dynamics simulation of an entire cell (2023) · cites this paper as Vickery and Stansfeld, 2021

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Authors
Vickery, O. N., & Stansfeld, P. J.
Affiliations
University of Warwick (GB)
Corresponding author
Stansfeld, Phillip J.
Venue
Journal of Chemical Theory and Computation
Published
2021-09-07
Volume
17
Issue
10
Pages
6472-6482
ISSN
  • 1549-9618 (ISSN-L)
  • 1549-9626
OpenAlex
W3197665808
Cited by
150
References
54
Citations by year
2026: 26 · 2025: 44 · 2024: 28 · 2023: 18 · 2022: 24 · 2021: 10
FWCI
6.28
Type
journal article
Language
en
Open access
Locations
  • Journal of Chemical Theory and Computation (publishedVersion, cc-by-nc-nd)
  • bioRxiv (Cold Spring Harbor Laboratory) (acceptedVersion, cc-by-nc-nd)
  • PubMed Central (publishedVersion, cc-by-nc-nd)
  • PubMed (publishedVersion)
  • Warwick Research Archive Portal (University of Warwick) (acceptedVersion)
Funders
  • Medical Research Council (MR/S009213/1)
  • Wellcome Trust (208361/Z/17/Z)
  • Biotechnology and Biological Sciences Research Council (BB/P01948X/1, BB/R002517/1, BB/S003339/1)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Protein Structure and Dynamics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Lipid Membrane Structure and Behavior
  • Physical Sciences › Chemistry › Physical and Theoretical Chemistry › Advanced Physical and Chemical Molecular Interactions
Keywords
macromolecular complex assembly, integral membrane proteins, phospholipid bilayers, protein-nucleotide complex, lipid dynamics, protein-lipid interactions
MeSH terms
Lipid Bilayers, Membrane Proteins, Molecular Conformation, Phospholipids, Molecular Dynamics Simulation

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