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@ARTICLE{CarballoPacheco:155851,
author = {Carballo-Pacheco, Martín and Vancea, Ioan and Strodel,
Birgit},
title = {{E}xtension of the {FACTS} {I}mplicit {S}olvation {M}odel
to {M}embranes},
journal = {Journal of chemical theory and computation},
volume = {10},
number = {8},
issn = {1549-9626},
address = {Washington, DC},
publisher = {American Chemical Society (ACS)},
reportid = {FZJ-2014-04809},
pages = {3163 - 3176},
year = {2014},
abstract = {The generalized Born (GB) formalism can be used to model
water as a dielectric continuum. Among the different
implicit solvent models using the GB formalism, FACTS is one
of the fastest. Here, we extend FACTS so that it can
represent a membrane environment. This extension is
accomplished by considering a position dependent dielectric
constant and empirical surface tension parameter. For the
calculation of the effective Born radii in different
dielectric environments we present a parameter-free
approximation to Kirkwood’s equation, which uses the Born
radii obtained with FACTS for the water environment as
input. This approximation is tested for the calculation of
self-free energies, pairwise interaction energies in
solution and solvation free energies of complete protein
conformations. The results compare well to those from the
finite difference Poisson method. The new implicit membrane
model is applied to estimate free energy insertion profiles
of amino acid analogues and in molecular dynamics
simulations of melittin, WALP23 and KALP23, glycophorin A,
bacteriorhodopsin, and a Clc channel dimer. In all cases,
the results agree qualitatively with experiments and
explicit solvent simulations. Moreover, the implicit
membrane model is only six times slower than a vacuum
simulation.},
cin = {ICS-6},
ddc = {540},
cid = {I:(DE-Juel1)ICS-6-20110106},
pnm = {452 - Structural Biology (POF2-452)},
pid = {G:(DE-HGF)POF2-452},
typ = {PUB:(DE-HGF)16},
UT = {WOS:000340351200029},
pubmed = {pmid:26588287},
doi = {10.1021/ct500084y},
url = {https://juser.fz-juelich.de/record/155851},
}