Sensitivity of the RNA structure to ion conditions as probed by molecular dynamics simulations of common canonical RNA duplexes

P Kuhrova, V Mlynsky, M Otyepka… - Journal of Chemical …, 2023 - ACS Publications
RNA molecules play a key role in countless biochemical processes. RNA interactions, which
are of highly diverse nature, are determined by the fact that RNA is a highly negatively …

Are waters around RNA more than just a solvent?–an insight from molecular dynamics simulations

P Kührová, M Otyepka, J Šponer… - Journal of Chemical …, 2014 - ACS Publications
Hydrating water molecules are believed to be an inherent part of the RNA structure and
have a considerable impact on RNA conformation. However, the magnitude and mechanism …

Simulations of A-RNA duplexes. The effect of sequence, solute force field, water model, and salt concentration

I Beššeová, P Banáš, P Kührová… - The journal of …, 2012 - ACS Publications
We have carried out an extended reference set of explicit solvent molecular dynamics
simulations (63 simulations with 8.4 μs of simulation data) of canonical A-RNA duplexes …

Molecular dynamics simulations highlight the structural differences among DNA: DNA, RNA: RNA, and DNA: RNA hybrid duplexes

TE Cheatham, PA Kollman - Journal of the American Chemical …, 1997 - ACS Publications
Nanosecond length simulations applying the particle mesh Ewald method within AMBER 4.1
on canonical A-form and B-form geometries of d [CCAACGTTGG] 2, r [CCAACGUUGG] 2 …

Salt dependence of A-form RNA duplexes: Structures and implications

YL Chen, L Pollack - The Journal of Physical Chemistry B, 2019 - ACS Publications
The biological functions of RNA range from gene regulation through catalysis and depend
critically on its structure and flexibility. Conformational variations of flexible, non-base-paired …

Molecular dynamics simulations of RNA systems

P Auffinger, AC Vaiana - Handbook of RNA biochemistry, 2005 - hal.science
As a result of important methodological advances, the number of molecular dynamics (MD)
simulations related to RNA systems has become significant, and simulations on more than …

Dependence of A-RNA simulations on the choice of the force field and salt strength

I Beššeová, M Otyepka, K Réblová… - Physical Chemistry …, 2009 - pubs.rsc.org
We present an extensive molecular dynamics study (0.6 μs in total) on three A-RNA
duplexes. The dependence of the A-RNA geometry on force fields (Parm99 and Parmbsc0) …

Types and concentrations of metal ions affect local structure and dynamics of RNA

J Wang, Y Xiao - Physical Review E, 2016 - APS
The roles that metal ions play in the structure and dynamics of RNA molecules are long-
standing problems that have been studied extensively but are still not well understood. Here …

Predicting 3D structure, flexibility, and stability of RNA hairpins in monovalent and divalent ion solutions

YZ Shi, L Jin, FH Wang, XL Zhu, ZJ Tan - Biophysical journal, 2015 - cell.com
A full understanding of RNA-mediated biology would require the knowledge of three-
dimensional (3D) structures, structural flexibility, and stability of RNAs. To predict RNA 3D …

Interplay of LNA and 2′-O-Methyl RNA in the Structure and Thermodynamics of RNA Hybrid Systems: A Molecular Dynamics Study Using the Revised AMBER Force …

I Yildirim, E Kierzek, R Kierzek… - The journal of physical …, 2014 - ACS Publications
When used in nucleic acid duplexes, locked nucleic acid (LNA) and 2′-O-methyl RNA
residues enhance the duplex stabilities, and this makes it possible to create much better …