scholarly journals Minimal Coarse-Grained Modeling toward Implicit Solvent Simulation of Generic Bolaamphiphiles

2020 ◽  
Vol 124 (14) ◽  
pp. 2938-2949
Author(s):  
Somajit Dey ◽  
Jayashree Saha
2018 ◽  
Vol 114 (3) ◽  
pp. 344a-345a
Author(s):  
Clarisse Gravina Ricci ◽  
Bo Li ◽  
Li-Tien Cheng ◽  
Joachim Dzubiella ◽  
J. Andrew McCammon

2019 ◽  
Vol 9 (1) ◽  
Author(s):  
Astrid F. Brandner ◽  
Stepan Timr ◽  
Simone Melchionna ◽  
Philippe Derreumaux ◽  
Marc Baaden ◽  
...  

Abstract In this work we present the coupling between Dry Martini, an efficient implicit solvent coarse-grained model for lipids, and the Lattice Boltzmann Molecular Dynamics (LBMD) simulation technique in order to include naturally hydrodynamic interactions in implicit solvent simulations of lipid systems. After validating the implementation of the model, we explored several systems where the action of a perturbing fluid plays an important role. Namely, we investigated the role of an external shear flow on the dynamics of a vesicle, the dynamics of substrate release under shear, and inquired the dynamics of proteins and substrates confined inside the core of a vesicle. Our methodology enables future exploration of a large variety of biological entities and processes involving lipid systems at the mesoscopic scale where hydrodynamics plays an essential role, e.g. by modulating the migration of proteins in the proximity of membranes, the dynamics of vesicle-based drug delivery systems, or, more generally, the behaviour of proteins in cellular compartments.


2009 ◽  
Vol 113 (1) ◽  
pp. 267-274 ◽  
Author(s):  
Yassmine Chebaro ◽  
Xiao Dong ◽  
Rozita Laghaei ◽  
Philippe Derreumaux ◽  
Normand Mousseau

2017 ◽  
Vol 372 (1726) ◽  
pp. 20160219 ◽  
Author(s):  
Richard Lipkin ◽  
Themis Lazaridis

A variety of peptides induce pores in biological membranes; the most common ones are naturally produced antimicrobial peptides (AMPs), which are small, usually cationic, and defend diverse organisms against biological threats. Because it is not possible to observe these pores directly on a molecular scale, the structure of AMP-induced pores and the exact sequence of steps leading to their formation remain uncertain. Hence, these questions have been investigated via molecular modelling. In this article, we review computational studies of AMP pore formation using all-atom, coarse-grained, and implicit solvent models; evaluate the results obtained and suggest future research directions to further elucidate the pore formation mechanism of AMPs. This article is part of the themed issue ‘Membrane pores: from structure and assembly, to medicine and technology’.


2017 ◽  
Vol 121 (27) ◽  
pp. 6538-6548 ◽  
Author(s):  
Clarisse G. Ricci ◽  
Bo Li ◽  
Li-Tien Cheng ◽  
Joachim Dzubiella ◽  
J. Andrew McCammon

Soft Matter ◽  
2019 ◽  
Vol 15 (38) ◽  
pp. 7567-7582 ◽  
Author(s):  
Shu Wang ◽  
Zhen Li ◽  
Wenxiao Pan

We present a bottom-up coarse-graining (CG) method to establish implicit-solvent CG modeling for polymers in solution, which conserves the dynamic properties of the reference microscopic system.


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