Enhanced sampling strategies for molecular simulation of DNA

B Mohr, T van Heesch… - Wiley …, 2024 - Wiley Online Library
Molecular dynamics (MD) simulations can provide detailed insights into complex molecular
systems, such as DNA, at high resolution in space and time. Using current computer …

YeeD is an essential partner for YeeE-mediated thiosulfate uptake in bacteria and regulates thiosulfate ion decomposition

M Ikei, R Miyazaki, K Monden, Y Naito, A Takeuchi… - Plos …, 2024 - journals.plos.org
Uptake of thiosulfate ions as an inorganic sulfur source from the environment is important for
bacterial sulfur assimilation. Recently, a selective thiosulfate uptake pathway involving a …

SEEKR2: Versatile multiscale milestoning utilizing the OpenMM molecular dynamics engine

LW Votapka, AM Stokely, AA Ojha… - Journal of chemical …, 2022 - ACS Publications
We present SEEKR2 (simulation-enabled estimation of kinetic rates version 2)─ the latest
iteration in the family of SEEKR programs for using multiscale simulation methods to …

Accurately Modeling RNA Stem-Loops in an Implicit Solvent Environment

JT Linzer, E Aminov, AS Abdullah… - Journal of Chemical …, 2024 - ACS Publications
Ribonucleic acid (RNA) molecules can adopt a variety of secondary and tertiary structures in
solution, with stem-loops being one of the more common motifs. Here, we present a …

Modified protein-water interactions in CHARMM36m for thermodynamics and kinetics of proteins in dilute and crowded solutions

D Matsubara, K Kasahara, HM Dokainish, H Oshima… - Molecules, 2022 - mdpi.com
Proper balance between protein-protein and protein-water interactions is vital for atomistic
molecular dynamics (MD) simulations of globular proteins as well as intrinsically disordered …

AFM observation of protein translocation mediated by one unit of SecYEG-SecA complex

Y Kanaoka, T Mori, W Nagaike, S Itaya… - Nature …, 2025 - nature.com
Protein translocation across cellular membranes is an essential and nano-scale dynamic
process. In the bacterial cytoplasmic membrane, the core proteins in this process are a …

Long-time-step molecular dynamics can retard simulation of protein-ligand recognition process

M Sahil, S Sarkar, J Mondal - Biophysical Journal, 2023 - cell.com
Molecular dynamics (MD) simulation of biologically relevant processes at realistic time scale
and atomistic precision is generally limited by prohibitively large computational cost, due to …

Deciphering the Multi-state Conformational Equilibrium of HDM2 in the Regulation of p53 Binding: Perspectives from Molecular Dynamics Simulation and NMR …

K Watanabe, Q Zhao, R Iwatsuki, R Fukui… - Journal of the …, 2024 - ACS Publications
HDM2 negatively regulates the activity of the tumor suppressor p53. Previous NMR studies
have shown that apo-HDM2 interconverts between an “open” state in which the N-terminal …

Acceleration of generalized replica exchange with solute tempering simulations of large biological systems on massively parallel supercomputer

J Jung, C Kobayashi, Y Sugita - Journal of Computational …, 2023 - Wiley Online Library
Generalized replica exchange with solute tempering (gREST) is one of the enhanced
sampling algorithms for proteins or other systems with rugged energy landscapes. Unlike …

Assessing the effect of forcefield parameter sets on the accuracy of relative binding free energy calculations

S Sun, DJ Huggins - Frontiers in Molecular Biosciences, 2022 - frontiersin.org
Software for accurate prediction of protein-ligand binding affinity can be a key enabling tool
for small molecule drug discovery. Free energy perturbation (FEP) is a computational …