Dynamics of Cations around DNA and Protein as Revealed by 23Na Diffusion NMR Spectroscopy

B Yu, KG Bien, CC Pletka, J Iwahara - Analytical Chemistry, 2022 - ACS Publications
Counterions are vital for the structure and function of biomolecules. However, the behavior
of counterions remains elusive due to the difficulty in characterizing mobile ions. Here, we …

Molecular insight on hydration of protein tyrosine phosphatase 1B and its complexes with ligands

SE Kruchinin, GN Chuev, MV Fedotova - Journal of Molecular Liquids, 2023 - Elsevier
Abstract Knowledge of hydration and the role of solvent in protein–ligand (PL) binding is
essential for rational drug design. In this direction, a complete description of PL binding …

Computational strategies to identify new drug candidates against neuroinflammation

M Pavan, D Bassani, G Bolcato… - Current Medicinal …, 2022 - ingentaconnect.com
Increasing application of computational approaches in these last decades has deeply
modified the process of discovery and commercialization of new therapeutic entities. This is …

Accurate prediction of hydration free energies and solvation structures using molecular density functional theory with a simple bridge functional

D Borgis, S Luukkonen, L Belloni… - The Journal of Chemical …, 2021 - pubs.aip.org
This paper assesses the ability of molecular density functional theory to predict efficiently
and accurately the hydration free energies of molecular solutes and the surrounding …

Molecular picture of the effect of cosolvent crowding on ligand binding and dispersed solvation dynamics in G-quadruplex DNA

K Yadav, D Sardana, H Shweta… - The Journal of …, 2022 - ACS Publications
Understanding molecular interactions and dynamics of proteins and DNA in a cell-like
crowded environment is crucial for predicting their functions within the cell. Noncanonical G …

[HTML][HTML] Experimental approaches for investigating ion atmospheres around nucleic acids and proteins

B Yu, J Iwahara - Computational and Structural Biotechnology Journal, 2021 - Elsevier
Ionic interactions are crucial to biological functions of DNA, RNA, and proteins. Experimental
research on how ions behave around biological macromolecules has lagged behind …

Charge density of cation determines inner versus outer shell coordination to phosphate in RNA

HT Nguyen, D Thirumalai - The Journal of Physical Chemistry B, 2020 - ACS Publications
Divalent cations are often required to fold RNA, which is a highly charged polyanion.
Condensation of ions, such as Mg2+ or Ca2+, in the vicinity of RNA renormalizes the …

Diffusion NMR-based comparison of electrostatic influences of DNA on various monovalent cations

B Yu, KG Bien, T Wang, J Iwahara - Biophysical journal, 2022 - cell.com
Counterions are important constituents for the structure and function of nucleic acids. Using
7 Li and 133 Cs nuclear magnetic resonance (NMR) spectroscopy, we investigated how …

Unravelling the binding affinity and selectivity of molybdenum (II) phenanthroline complexes with DNA G-quadruplexes by using linear-scaling DFT studies. The …

IO de Luzuriaga, Á Sánchez-González… - Physical Chemistry …, 2022 - pubs.rsc.org
We have used near linear-scaling density functional theory (LS-DFT) methods including
dispersion, for the first time, to study the interaction of two isomers, equatorial (Eq) and axial …

Predicting positions of bridging water molecules in nucleic acid–ligand complexes

W Wei, J Luo, J Waldispühl… - Journal of Chemical …, 2019 - ACS Publications
Over the past two decades, interests in DNA and RNA as drug targets have been growing
rapidly. Following the trends observed with protein drug targets, computational approaches …