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Cited by 278

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Dry Martini, a Coarse-Grained Force Field for Lipid Membrane Simulations with Implicit Solvent

Open access
Arnarez, Clément, Uusitalo, Jaakko J., Masman, Marcelo F., Ingólfsson, Helgi I., de Jong, Djurre H., Melo, Manuel N., Periole, Xavier, de Vries, Alex H., Marrink, Siewert J.·2015·Journal of Chemical Theory and Computation

Abstract

Coarse-grained (CG) models allow simulation of larger systems for longer times by decreasing the number of degrees of freedom compared with all-atom models. Here we introduce an implicit-solvent version of the popular CG Martini model, nicknamed "Dry" Martini. To account for the omitted solvent degrees of freedom, the nonbonded interaction matrix underlying the Martini force field was reparametrized. The Dry Martini force field reproduces relatively well a variety of lipid membrane properties such as area per lipid, bilayer thickness, bending modulus, and coexistence of liquid-ordered and disordered domains. Furthermore, we show that the new model can be applied to study membrane fusion and tether formation, with results similar to those of the standard Martini model. Membrane proteins can also be included, but less quantitative results are obtained. The absence of water in Dry Martini leads to a significant speedup for large systems, opening the way to the study of complex multicomponent membranes containing millions of lipids.

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Metadata

Authors
Arnarez, C., Uusitalo, J. J., Masman, M. F., Ingólfsson, H. I., de Jong, D. H., Melo, M. N., Periole, X., de Vries, A. H., & Marrink, S. J.
Venue
Journal of Chemical Theory and Computation
Published
2014-12-17
Volume
11
Issue
1
Pages
260-275
ISSN
  • 1549-9618 (ISSN-L)
  • 1549-9626
OpenAlex
W2085989411
Cited by
278
References
63
FWCI
7.18
Type
journal article
Language
en
Open access
green

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CoChat. (2026). Citation check: Dry Martini, a Coarse-Grained Force Field for Lipid Membrane Simulations with Implicit Solvent. https://app.cochat.ai/papers/10.1021/ct500477k
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Arnarez, C., Uusitalo, J. J., Masman, M. F., Ingólfsson, H. I., de Jong, D. H., Melo, M. N., Periole, X., de Vries, A. H., & Marrink, S. J. (2015). Dry Martini, a Coarse-Grained Force Field for Lipid Membrane Simulations with Implicit Solvent. Journal of Chemical Theory and Computation. https://doi.org/10.1021/ct500477k

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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).

Semantic Scholar’s data is described in: Kinney, R., et al. (2023). The Semantic Scholar Open Data Platform. arXiv:2301.10140.