Small molecule hydration free energies in explicit solvent: An extensive test of fixed-charge atomistic simulations

DL Mobley, CI Bayly, MD Cooper… - Journal of chemical …, 2009 - ACS Publications
Using molecular dynamics free energy simulations with TIP3P explicit solvent, we compute
the hydration free energies of 504 neutral small organic molecules and compare them to …

Comparison of charge models for fixed-charge force fields: small-molecule hydration free energies in explicit solvent

DL Mobley, E Dumont, JD Chodera… - The Journal of Physical …, 2007 - ACS Publications
In molecular simulations with fixed-charge force fields, the choice of partial atomic charges
influences numerous computed physical properties, including binding free energies. Many …

Predictions of hydration free energies from all-atom molecular dynamics simulations

DL Mobley, CI Bayly, MD Cooper… - The Journal of Physical …, 2009 - ACS Publications
Here, we computed the aqueous solvation (hydration) free energies of 52 small drug-like
molecules using an all-atom force field in explicit water. This differs from previous studies in …

Predicting hydration free energies using all-atom molecular dynamics simulations and multiple starting conformations

PV Klimovich, DL Mobley - Journal of Computer-Aided Molecular Design, 2010 - Springer
Molecular dynamics simulations in explicit solvent were applied to predict the hydration free
energies for 23 small organic molecules in blind SAMPL2 test. We found good agreement …

Computations of absolute solvation free energies of small molecules using explicit and implicit solvent model

D Shivakumar, Y Deng, B Roux - Journal of Chemical Theory and …, 2009 - ACS Publications
Accurate determination of absolute solvation free energy plays a critical role in numerous
areas of biomolecular modeling and drug discovery. A quantitative representation of ligand …

Hydration of amino acid side chains: Nonpolar and electrostatic contributions calculated from staged molecular dynamics free energy simulations with explicit water …

Y Deng, B Roux - The Journal of Physical Chemistry B, 2004 - ACS Publications
A staged protocol for performing molecular dynamics solvation free energy simulations is
described. The solvation free energy is expressed in terms of nonpolar and electrostatic …

Computation of methodology-independent ionic solvation free energies from molecular simulations. II. The hydration free energy of the sodium cation

MA Kastenholz, PH Hünenberger - The Journal of chemical physics, 2006 - pubs.aip.org
The raw ionic solvation free energies computed from atomistic explicit-solvent simulations
are extremely sensitive to the boundary conditions finite or periodic system, system shape …

Hydration free energies of molecular ions from theory and simulation

M Misin, MV Fedorov, DS Palmer - The Journal of Physical …, 2016 - ACS Publications
We present a theoretical/computational framework for accurate calculation of hydration free
energies of ionized molecular species. The method is based on a molecular theory, 3D …

Treating entropy and conformational changes in implicit solvent simulations of small molecules

DL Mobley, KA Dill, JD Chodera - The Journal of Physical …, 2008 - ACS Publications
Implicit solvent models are increasingly popular for estimating aqueous solvation (hydration)
free energies in molecular simulations and other applications. In many cases, parameters for …

Electrostatic potentials and free energies of solvation of polar and charged molecules

G Hummer, LR Pratt, AE García… - The Journal of …, 1997 - ACS Publications
Theories of solvation free energies often involve electrostatic potentials at the position of a
solute charge. Simulation calculations that apply cutoffs and periodic boundary conditions …