[HTML][HTML] Refinement of the AMBER force field for nucleic acids: improving the description of α/γ conformers

A Pérez, I Marchán, D Svozil, J Sponer, TE Cheatham… - Biophysical journal, 2007 - cell.com
We present here the parmbsc0 force field, a refinement of the AMBER parm99 force field,
where emphasis has been made on the correct representation of the α/γ concerted rotation …

Assessing the Current State of Amber Force Field Modifications for DNA─ 2023 Edition

O Love, R Galindo-Murillo, M Zgarbová… - Journal of Chemical …, 2023 - ACS Publications
Advances in molecular dynamics (MD) software alongside enhanced computational power
and hardware have allowed for MD simulations to significantly expand our knowledge of …

Reference simulations of noncanonical nucleic acids with different χ variants of the AMBER force field: quadruplex DNA, quadruplex RNA, and Z-DNA

M Krepl, M Zgarbová, P Stadlbauer… - Journal of chemical …, 2012 - ACS Publications
Refinement of empirical force fields for nucleic acids requires their extensive testing using as
wide range of systems as possible. However, finding unambiguous reference data is not …

Assessing the current state of amber force field modifications for DNA

R Galindo-Murillo, JC Robertson… - Journal of chemical …, 2016 - ACS Publications
The utility of molecular dynamics (MD) simulations to model biomolecular structure,
dynamics, and interactions has witnessed enormous advances in recent years due to the …

Molecular dynamics of DNA: comparison of force fields and terminal nucleotide definitions

CG Ricci, ASC de Andrade, M Mottin… - The Journal of Physical …, 2010 - ACS Publications
Despite DNA being a very important target for several proteins and drugs, molecular
dynamics simulations with nucleic acids still encompass many challenges, such as the …

Towards a molecular dynamics consensus view of B-DNA flexibility

A Perez, F Lankas, FJ Luque… - Nucleic acids research, 2008 - academic.oup.com
We present a systematic study of B-DNA flexibility in aqueous solution using long-scale
molecular dynamics simulations with the two more recent versions of nucleic acids force …

Refinement of the Cornell et al. nucleic acids force field based on reference quantum chemical calculations of glycosidic torsion profiles

M Zgarbová, M Otyepka, J Sponer… - Journal of chemical …, 2011 - ACS Publications
We report a reparameterization of the glycosidic torsion χ of the Cornell et al. AMBER force
field for RNA, χOL. The parameters remove destabilization of the anti region found in the ff99 …

How accurate are accurate force-fields for B-DNA?

PD Dans, I Ivani, A Hospital, G Portella… - Nucleic Acids …, 2017 - academic.oup.com
Last generation of force-fields are raising expectations on the quality of molecular dynamics
(MD) simulations of DNA, as well as to the belief that theoretical models can substitute …

All‐atom empirical force field for nucleic acids: II. Application to molecular dynamics simulations of DNA and RNA in solution

AD MacKerell Jr, NK Banavali - Journal of computational …, 2000 - Wiley Online Library
Molecular dynamics simulations based on empirical force fields can greatly enhance
knowledge of DNA and RNA structure and dynamics in solution. Presented are results on …

Molecular dynamic simulations of environment and sequence dependent DNA conformations: the development of the BMS nucleic acid force field and comparison …

DR Langley - Journal of Biomolecular Structure and Dynamics, 1998 - Taylor & Francis
Molecular dynamic (MD) simulations using the BMS nucleic acid force field produce
environment and sequence dependent DNA conformations that closely mimic …