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The MARTINI Force Field: Coarse Grained Model for Biomolecular Simulations

Open access
Marrink, Siewert J., Risselada, H. Jelger, Yefimov, Serge, Tieleman, D. Peter, de Vries, Alex H.·2007·The Journal of Physical Chemistry B

Abstract

We present an improved and extended version of our coarse grained lipid model. The new version, coined the MARTINI force field, is parametrized in a systematic way, based on the reproduction of partitioning free energies between polar and apolar phases of a large number of chemical compounds. To reproduce the free energies of these chemical building blocks, the number of possible interaction levels of the coarse-grained sites has increased compared to those of the previous model. Application of the new model to lipid bilayers shows an improved behavior in terms of the stress profile across the bilayer and the tendency to form pores. An extension of the force field now also allows the simulation of planar (ring) compounds, including sterols. Application to a bilayer/cholesterol system at various concentrations shows the typical cholesterol condensation effect similar to that observed in all atom representations.

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Metadata

Authors
Marrink, S. J., Risselada, H. J., Yefimov, S., Tieleman, D. P., & de Vries, A. H.
Venue
The Journal of Physical Chemistry B
Published
2007-06-15
Volume
111
Issue
27
Pages
7812-7824
ISSN
  • 1520-5207 (ISSN-L)
  • 1520-6106
OpenAlex
W2119267663
Cited by
5,562
References
5
FWCI
36.28
Type
journal article
Language
en
Open access
green

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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.