The initial steps in the hydration of unsolvated peptides: Water molecule adsorption on alanine-based helices and globules

M Kohtani, MF Jarrold - Journal of the American Chemical Society, 2002 - ACS Publications
Equilibrium constants for the adsorption of the first water molecule onto a variety of
unsolvated alanine-based peptides have been measured and Δ H° and Δ S° have been …

A model for the simulation of an aqueous dipeptide solution

PJ Rossky, M Karplus, A Rahman - … : Original Research on …, 1979 - Wiley Online Library
A model for the simulation of a solution of an alanine dipeptide in water is presented that
combines a previous model for bulk water (ST2) with that used in conformational energy …

Assessing the solvent-dependent surface area of unfolded proteins using an ensemble model

H Gong, GD Rose - … of the National Academy of Sciences, 2008 - National Acad Sciences
We present a physically rigorous method to calculate solvent-dependent accessible surface
areas (ASAs) of amino acid residues in unfolded proteins. ASA values will be larger in a …

Simulations of peptide conformational dynamics and thermodynamics

C Brooks, DA Case - Chemical Reviews, 1993 - ACS Publications
The past few years have seen impressive advances in the power and scope of computer
simulation techniques for biomolecules, and many important aspects of the behavior of …

Natively unfolded protein stability as a coil-to-globule transition in charge/hydropathy space

HS Ashbaugh, HW Hatch - Journal of the American Chemical …, 2008 - ACS Publications
In the absence of experimental assignments, the empirical charge/hydropathy correlation for
the prediction of natively unfolded protein sequences (Uversky, VN; Gillespie, JR; Fink, AL …

Determining the role of hydration forces in protein folding

JM Sorenson, G Hura, AK Soper… - The Journal of …, 1999 - ACS Publications
This article describes a combined experimental, theoretical, and computational effort to
show how the complexity of aqueous hydration can influence the structure, folding and …

Inclusion of solvation free energy with molecular mechanics energy: alanyl dipeptide as a test case

CA Schiffer, JW Caldwell, RM Stroud… - Protein …, 1992 - Wiley Online Library
A combined force field of molecular mechanics and solvation free energy is tested by
carrying out energy minimization and molecular dynamics on several conformations of the …

Statistical and molecular dynamics studies of buried waters in globular proteins

S Park, JG Saven - Proteins: Structure, Function, and …, 2005 - Wiley Online Library
Buried solvent molecules are common in the core of globular proteins and contribute to
structural stability. Folding necessitates the burial of polar backbone atoms in the protein …

Alanine: Then there was water

JM Mullin, MS Gordon - The Journal of Physical Chemistry B, 2009 - ACS Publications
An ab initio study of the addition of successive water molecules to the amino acid l-alanine
in both the nonionized (N) and zwitterionic (Z) forms are presented. The main focus is the …

Sensitivity of polar solvation dynamics to the secondary structures of aqueous proteins and the role of surface exposure of the probe

S Bandyopadhyay, S Chakraborty… - Journal of the …, 2005 - ACS Publications
The structure and dynamics of water around a protein is expected to be sensitive to the
details of the adjacent secondary structure of the protein. In this article, we explore this …