Computational and theoretical methods for protein folding

M Compiani, E Capriotti - Biochemistry, 2013 - ACS Publications
A computational approach is essential whenever the complexity of the process under study
is such that direct theoretical or experimental approaches are not viable. This is the case for …

Clustering molecular dynamics trajectories: 1. Characterizing the performance of different clustering algorithms

J Shao, SW Tanner, N Thompson… - Journal of chemical …, 2007 - ACS Publications
Molecular dynamics simulation methods produce trajectories of atomic positions (and
optionally velocities and energies) as a function of time and provide a representation of the …

Methods for calculating the entropy and free energy and their application to problems involving protein flexibility and ligand binding

H Meirovitch, S Cheluvaraja… - Current Protein and …, 2009 - ingentaconnect.com
The Helmholtz free energy, F and the entropy, S are related thermodynamic quantities with a
special importance in structural biology. We describe the difficulties in calculating these …

A collective variable for the efficient exploration of protein beta-sheet structures: application to SH3 and GB1

F Pietrucci, A Laio - Journal of Chemical Theory and Computation, 2009 - ACS Publications
We introduce a new class of collective variables which allow forming efficiently beta-sheet
structures in all-atom explicit-solvent simulations of proteins. By this approach we are able to …

[HTML][HTML] Accelerated molecular dynamics simulation for helical proteins folding in explicit water

L Duan, X Guo, Y Cong, G Feng, Y Li… - Frontiers in …, 2019 - frontiersin.org
In this study, we examined the folding processes of eight helical proteins (2I9M, TC5B,
1WN8, 1V4Z, 1HO2, 1HLL, 2KFE, and 1YYB) at room temperature using the explicit solvent …

Further optimization of a hybrid united-atom and coarse-grained force field for folding simulations: improved backbone hydration and interactions between charged …

W Han, K Schulten - Journal of chemical theory and computation, 2012 - ACS Publications
PACE, a hybrid force field that couples united-atom protein models with coarse-grained (CG)
solvent (J. Chem. Theory Comput. 2010, 6, 3373), has been further optimized, aiming to …

Free‐energy landscape of the GB1 hairpin in all‐atom explicit solvent simulations with different force fields: Similarities and differences

RB Best, J Mittal - Proteins: Structure, Function, and …, 2011 - Wiley Online Library
Although it is now possible to fold peptides and miniproteins in molecular dynamics
simulations, it is well appreciated that force fields are not all transferable to different proteins …

Balance between α and β structures in ab initio protein folding

RB Best, J Mittal - The Journal of Physical Chemistry B, 2010 - ACS Publications
Despite initial successes in folding of proteins by molecular simulation, it is becoming
increasingly evident that current energy functions (force fields) tend to favor either α or β …

The unfolded ensemble and folding mechanism of the C-terminal GB1 β-hairpin

M Bonomi, D Branduardi, FL Gervasio… - Journal of the …, 2008 - ACS Publications
In this work, we shed new light on a much-studied case of β-hairpin folding by means of
advanced molecular dynamics simulations. A fully atomistic description of the protein and …

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 …