Enhancing Protein–Ligand Binding Affinity Predictions Using Neural Network Potentials

F Sabanés Zariquiey, R Galvelis… - Journal of Chemical …, 2024 - ACS Publications
This letter gives results on improving protein–ligand binding affinity predictions based on
molecular dynamics simulations using machine learning potentials with a hybrid neural …

What to Make of Zero: Resolving the Statistical Noise from Conformational Reorganization in Alchemical Binding Free Energy Estimates with Metadynamics Sampling

S Khuttan, E Gallicchio - Journal of Chemical Theory and …, 2024 - ACS Publications
We introduce the self-relative binding free energy (self-RBFE) approach to evaluate the
intrinsic statistical variance of dual-topology alchemical binding free energy estimators. The …

Alchemical Enhanced Sampling with Optimized Phase Space Overlap

S Zhang, TJ Giese, TS Lee… - Journal of Chemical Theory …, 2024 - ACS Publications
An alchemical enhanced sampling (ACES) method has recently been introduced to facilitate
importance sampling in free energy simulations. The method achieves enhanced sampling …

Multistate Method to Efficiently Account for Tautomerism and Protonation in Alchemical Free-Energy Calculations

C Champion, PH Hünenberger… - Journal of Chemical …, 2024 - ACS Publications
The majority of drug-like molecules contain at least one ionizable group, and many common
drug scaffolds are subject to tautomeric equilibria. Thus, these compounds are found in a …

Adsorption of Flavonoids in a Transcriptional Regulator TtgR: Relative Binding Free Energies and Intermolecular Interactions

Y Wu, S Zhang, DM York, L Wang - The Journal of Physical …, 2024 - ACS Publications
Antimicrobial resistance in bacteria often arises from their ability to actively identify and
expel toxic compounds. The bacterium strain Pseudomonas putida DOT-T1E utilizes its …

Computing hydration free energies of small molecules with first principles accuracy

JH Moore, DJ Cole, G Csanyi - arXiv preprint arXiv:2405.18171, 2024 - arxiv.org
Free energies play a central role in characterising the behaviour of chemical systems and
are among the most important quantities that can be calculated by molecular dynamics …

Ligand-binding affinity prediction for membrane proteins with alchemical free-energy calculation methods

H Zhang, W Im - Biophysical Journal, 2024 - cell.com
Relative binding free-energy (RBFE) calculations have shown high accuracy in predicting
ligand binding affinity and have been used as an important tool in computer-aided drug …

Binding Selectivity Analysis from Alchemical Receptor Hopping and Ligand Swapping Free Energy Calculations

S Azimi, E Gallicchio - arXiv preprint arXiv:2402.06887, 2024 - arxiv.org
We present receptor-hopping and ligand-swapping free energy estimation protocols based
on the Alchemical Transfer Method (ATM) to model the binding selectivity of a set of ligands …

Potential Distribution Theory of Alchemical Transfer

S Azimi, E Gallicchio - arXiv preprint arXiv:2407.14713, 2024 - arxiv.org
We present an analytical description of the Alchemical Transfer Method (ATM) for molecular
binding using the Potential Distribution Theory (PDT) formalism. ATM models the binding …

Evaluating the Reliability and Accuracy of Alchemical Binding Free Energy Methods and Calculations

F Sheenam - 2024 - academicworks.cuny.edu
Molecular recognition plays a crucial role in various biological processes, such as enzymatic
reactions, signal transduction, and genetic information processing. Investigating how …