Advanced replica-exchange sampling to study the flexibility and plasticity of peptides and proteins

K Ostermeir, M Zacharias - Biochimica et Biophysica Acta (BBA)-Proteins …, 2013 - Elsevier
Molecular dynamics (MD) simulations are ideally suited to investigate protein and peptide
plasticity and flexibility simultaneously at high spatial (atomic) and high time resolution …

Exploring biomolecular dynamics and interactions using advanced sampling methods

M Luitz, R Bomblies, K Ostermeir… - Journal of Physics …, 2015 - iopscience.iop.org
Molecular dynamics (MD) and Monte Carlo (MC) simulations have emerged as a valuable
tool to investigate statistical mechanics and kinetics of biomolecules and synthetic soft …

Secondary structure propensities in peptide folding simulations: a systematic comparison of molecular mechanics interaction schemes

D Matthes, BL De Groot - Biophysical journal, 2009 - cell.com
We present a systematic study directed toward the secondary structure propensity and
sampling behavior in peptide folding simulations with eight different molecular dynamics …

Folding of a helix at room temperature is critically aided by electrostatic polarization of intraprotein hydrogen bonds

LL Duan, Y Mei, D Zhang, QG Zhang… - Journal of the American …, 2010 - ACS Publications
We report direct folding of a 17-residue helix protein (pdb: 2I9M) by standard molecular
dynamics simulation (single trajectory) at room temperature with implicit solvent. Starting …

A combined effective fragment potential–fragment molecular orbital method. II. Analytic gradient and application to the geometry optimization of solvated tetraglycine …

T Nagata, DG Fedorov, T Sawada, K Kitaura… - The Journal of …, 2011 - pubs.aip.org
The gradient for the fragment molecular orbital (FMO) method interfaced with effective
fragment potentials (EFP), denoted by FMO/EFP, was developed and applied to …

Effects of externally applied electric fields on the manipulation of solvated-Chignolin folding: static-versus alternating-field dichotomy at play

HL Wu, MR Ghaani, Z Futera… - The Journal of Physical …, 2022 - ACS Publications
The interaction between a protein and external electric field (EF) can alter its structure and
dynamical behavior, which has a potential impact on the biological function of proteins and …

Mutation-induced change in chignolin stability from π-turn to α-turn

Y Maruyama, S Koroku, M Imai, K Takeuchi… - RSC …, 2020 - pubs.rsc.org
Chignolin, which consists of 10 amino acids, adopts two stable states in simulations at room
temperature at 1 atm: the native and misfolded states. The sequence of chignolin is …

Intrinsic Determinants of Aβ12–24 pH-Dependent Self-Assembly Revealed by Combined Computational and Experimental Studies

W Xu, C Zhang, P Derreumaux, A Gräslund… - PLoS …, 2011 - journals.plos.org
The propensity of amyloid-(A) peptide to self-assemble into highly ordered amyloid
structures lies at the core of their accumulation in the brain during Alzheimer's disease. By …

A minima hop** study of all-atom protein folding and structure prediction

S Roy, S Goedecker, MJ Field… - The Journal of Physical …, 2009 - ACS Publications
The minima hop** algorithm (MHOP) to find global minima on potential energy surfaces is
used for protein structure prediction. The energy surface of the protein is represented with an …

Configuration-dependent diffusion dynamics of downhill and two-state protein folding

W Xu, Z Lai, RJ Oliveira, VBP Leite… - The Journal of Physical …, 2012 - ACS Publications
Configuration-dependent diffusion (CDD) is important for protein folding kinetics with small
thermodynamic barriers. CDD can be even more crucial in downhill folding without …