United-residue (UNRES) Langevin dynamics simulations of trpzip2 folding

Y He, C Chen, Y Xiao - Journal of Computational Biology, 2009 - liebertpub.com
The folding mechanism of β-hairpins might provide fundamental knowledge that helps us to
understand how large proteins fold. However, all-atom molecular dynamics is difficult to do …

Coarse graining: a tool for large-scale simulations or more?

A Liwo - Physica Scripta, 2013 - iopscience.iop.org
Reduction of the representation of macromolecular systems such as, eg biopolymers from
an all-atom to a more crude one, which is termed coarse-graining, is usually regarded as a …

Structural studies of the C‐terminal 19‐peptide of serum amyloid A and its Pro→ Ala variants interacting with human cystatin C

M Maszota, N Karska, M Spodzieja… - Journal of Molecular …, 2015 - Wiley Online Library
Serum amyloid A (SAA) is a multifunctional acute‐phase protein whose concentration in
serum increases markedly following a number of chronic inflammatory and neoplastic …

A simple probabilistic model of multibody interactions in proteins

KE Johansson, T Hamelryck - Proteins: Structure, Function, and …, 2013 - Wiley Online Library
Protein structure prediction methods typically use statistical potentials, which rely on
statistics derived from a database of know protein structures. In the vast majority of cases …

Implementation of a serial Replica Exchange Method in a physics-based united-residue (UNRES) force field

H Shen, C Czaplewski, A Liwo… - Journal of chemical …, 2008 - ACS Publications
The kinetic-trapping problem in simulating protein folding can be overcome by using a
Replica Exchange Method (REM). However, in implementing REM in molecular dynamics …

[PDF][PDF] New UNRES force field package with Fortan 90

EA Lubecka, A Liwo - … Bulletin of Academic Computer Centre in …, 2016 - bibliotekanauki.pl
UNRES is a coarse-grained model of polypeptide chains. Until now, each version of UNRES
(UNRESPACK v. 3.2 and earlier ones) has been written in Fortran 77. Due to the fact that …

Molecular dynamics simulations of helix bundle proteins using UNRES force field and all-atom force field

K Gao, M Yang - Journal of Theoretical and Computational …, 2012 - World Scientific
We have investigated the folding of two helix-bundle proteins, 36-residue Villin headpiece
and 56-residue E-domain of Staphylococcal protein A, by combining molecular dynamics …

[PDF][PDF] Optimization of the physics-based united-residue force field (UNRES) for protein folding simulations

A Liwo, C Czaplewski, S Ołdziej, U Kozłowska… - NIC Symposium, 2008 - core.ac.uk
Understanding the functioning of living cells requires knowledge of structure and long-time
dynamics of proteins and other biological macromolecules, which information is not readily …

Evolutionary design of the energy function for protein structure prediction

P Widera, JM Garibaldi… - 2009 IEEE Congress on …, 2009 - ieeexplore.ieee.org
Automatic protein structure predictors use the notion of energy to guide the search towards
good candidate structures. The energy functions used by the state-of-the-art predictors are …

Separation of time scale and coupling in the motion governed by the coarse-grained and fine degrees of freedom in a polypeptide backbone

RK Murarka, A Liwo, HA Scheraga - The Journal of chemical physics, 2007 - pubs.aip.org
The relevance of describing complex systems by simple coarse-grained models lies in the
separation of time scales between the coarse-grained and fine or secondary degrees of …