A general picture of cucurbit [8] uril host–guest binding

Z Sun, Z Huai, Q He, Z Liu - Journal of chemical information and …, 2021 - ACS Publications
Describing, understanding, and designing complex interaction networks within
macromolecular systems remain challenging in modern chemical research. Host–guest …

[HTML][HTML] Molecular modelling of ionic liquids: General guidelines on fixed-charge force fields for balanced descriptions

Z Sun, Z Gong, L Zheng, P Kalhor, Z Huai, Z Liu - Journal of Ionic Liquids, 2022 - Elsevier
It has been increasingly common to investigate dynamic and thermodynamic properties of
green solvents at atomistic scales with molecular simulation. In this work, we present a …

Thermodynamic insights of base flip** in TNA duplex: force fields, salt concentrations, and free-energy simulation methods

Z Sun, JZH Zhang - CCS Chemistry, 2021 - chinesechemsoc.org
Threofuranosyl nucleic acid (TNA) is an analogue of DNA with a shift in the internucleotide
linkages from the wild-type 5'-to-3'direction to 3'-to-2.'This alteration leads to higher chemical …

SAMPL7 TrimerTrip host–guest binding affinities from extensive alchemical and end-point free energy calculations

Z Huai, H Yang, X Li, Z Sun - Journal of Computer-Aided Molecular …, 2021 - Springer
The prediction of host–guest binding affinities with computational modelling is still a
challenging task. In the 7th statistical assessment of the modeling of proteins and ligands …

Binding thermodynamics and interaction patterns of inhibitor-major urinary protein-I binding from extensive free-energy calculations: benchmarking AMBER force …

Z Huai, Z Shen, Z Sun - Journal of Chemical Information and …, 2020 - ACS Publications
Mouse major urinary protein (MUP) plays a key role in the pheromone communication
system. The one-end-closed β-barrel of MUP-I forms a small, deep, and hydrophobic central …

Seeding the multi-dimensional nonequilibrium pulling for Hamiltonian variation: indirect nonequilibrium free energy simulations at QM levels

Z Sun, Q He - Physical Chemistry Chemical Physics, 2022 - pubs.rsc.org
The combination of free energy simulations in the alchemical and configurational spaces
provides a feasible route to access the thermodynamic profiles under a computationally …

Distributions of bubble lifetimes and bubble lengths in DNA

M Hillebrand, G Kalosakas, C Skokos, AR Bishop - Physical Review E, 2020 - APS
We investigate the distribution of bubble lifetimes and bubble lengths in DNA at
physiological temperature, by performing extensive molecular dynamics simulations with the …

BAR‐Based Multi‐Dimensional Nonequilibrium Pulling for Indirect Construction of QM/MM Free Energy Landscapes: Varying the QM Region

Z Sun, Z Liu - Advanced Theory and Simulations, 2021 - Wiley Online Library
The indirect free energy simulation at quantum mechanics (QM)/molecular mechanics (MM)
levels provides a feasible alternative to direct QM/MM simulations. The main idea under the …

Sulfur-substitution-induced base flip** in the DNA duplex

Z Sun, X Wang, JZH Zhang, Q He - Physical Chemistry Chemical …, 2019 - pubs.rsc.org
Base flip** is widely observed in a number of important biological processes. The genetic
codes deposited inside the DNA duplex become accessible to external agents upon base …

BAR-based multi-dimensional nonequilibrium pulling for indirect construction of a QM/MM free energy landscape

X Wang, Q He, Z Sun - Physical Chemistry Chemical Physics, 2019 - pubs.rsc.org
Construction of free energy landscapes at the quantum mechanics (QM) level is
computationally demanding. As shown in previous studies, by employing an indirect scheme …