The ion-dipole correction of the 3DRISM solvation model to accurately compute water distributions around negatively charged biomolecules

S Cao, Y Qiu, IC Unarta, EC Goonetilleke… - The Journal of …, 2022 - ACS Publications
The 3D reference interaction site model (3DRISM) provides an efficient grid-based solvation
model to compute the structural and thermodynamic properties of biomolecules in aqueous …

Solvation and hydration of proteins and nucleic acids: a theoretical view of simulation and experiment

V Makarov, BM Pettitt, M Feig - Accounts of chemical research, 2002 - ACS Publications
Many theoretical, computational, and experimental techniques recently have been
successfully used for description of the solvent distribution around macromolecules. In this …

A coarse-grain three-site-per-nucleotide model for DNA with explicit ions

GS Freeman, DM Hinckley, JJ de Pablo - The Journal of chemical …, 2011 - pubs.aip.org
The “three sites per nucleotide”(3SPN) model provides a coarse-grained representation of
nucleic acids for simulation of molecular processes. Previously, this model has relied on an …

Grand canonical Monte Carlo molecular and thermodynamic predictions of ion effects on binding of an oligocation (L8+) to the center of DNA oligomers

MC Olmsted, JP Bond, CF Anderson, MT Record - Biophysical journal, 1995 - cell.com
Grand canonical Monte Carlo (GCMC) simulations are reported for aqueous solutions
containing excess univalent salt (activities a+/-= 1.76–12.3 mM) and one of the following …

Surfaces affect ion pairing

I Chorny, KA Dill, MP Jacobson - The Journal of Physical …, 2005 - ACS Publications
In water, positive ions attract negative ions. That attraction can be modulated if a
hydrophobic surface is present near the two ions in water. Using computer simulations with …

Optimized magnesium force field parameters for biomolecular simulations with accurate solvation, ion-binding, and water-exchange properties

KK Grotz, S Cruz-León, N Schwierz - Journal of chemical theory …, 2021 - ACS Publications
Magnesium ions play an essential role in many vital processes. To correctly describe their
interactions in molecular dynamics simulations, an accurate parametrization is crucial …

Binding enthalpy calculations for a neutral host–guest pair yield widely divergent salt effects across water models

K Gao, J Yin, NM Henriksen, AT Fenley… - Journal of chemical …, 2015 - ACS Publications
Dissolved salts are a part of the physiological milieu and can significantly influence the
kinetics and thermodynamics of various biomolecular processes, such as binding and …

Revisiting the association of cationic groove-binding drugs to DNA using a Poisson-Boltzmann approach

MO Fenley, RC Harris, B Jayaram, AH Boschitsch - Biophysical journal, 2010 - cell.com
Proper modeling of nonspecific salt-mediated electrostatic interactions is essential to
understanding the binding of charged ligands to nucleic acids. Because the linear Poisson …

Determining the locations of ions and water around DNA from X-ray scattering measurements

SP Meisburger, SA Pabit, L Pollack - Biophysical journal, 2015 - cell.com
Nucleic acids carry a negative charge, attracting salt ions and water. Interactions with these
components of the solvent drive DNA to condense, RNA to fold, and proteins to bind. To …

DNA and its counterions: a molecular dynamics study

P Várnai, K Zakrzewska - Nucleic acids research, 2004 - academic.oup.com
The behaviour of mobile counterions, Na+ and K+, was analysed around a B-DNA double
helix with the sequence CCATGCGCTGAC in aqueous solution during two 50 ns long …