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Related papers: Enhancing Protein-Ligand Binding Affinity Predicti…

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Accurate prediction of protein-ligand binding affinities is crucial in drug discovery, particularly during hit-to-lead and lead optimization phases, however, limitations in ligand force fields continue to impact prediction accuracy. In this…

Chemical Physics · Physics 2025-04-04 Francesc Sabanés Zariquiey , Stephen E. Farr , Stefan Doerr , Gianni De Fabritiis

The accurate prediction of protein-ligand binding affinities is crucial for drug discovery. Alchemical free energy calculations have become a popular tool for this purpose. However, the accuracy and reliability of these methods can vary…

The Alchemical Transfer Method (ATM) is herein validated against the relative binding free energies of a diverse set of protein-ligand complexes. We employed a streamlined setup workflow, a bespoke force field, and the AToM-OpenMM software…

Chemical Physics · Physics 2023-08-21 Lieyang Chen , Yujie Wu , Chuanjie Wu , Ana Silveira , Woody Sherman , Huafeng Xu , Emilio Gallicchio

We present an extension of Alchemical Transfer Method (ATM) for the estimation of relative binding free energies of molecular complexes applicable to conventional as well as scaffold-hopping alchemical transformations. The method, named…

Chemical Physics · Physics 2021-07-13 Solmaz Azimi , Sheenam Khuttan , Joe Z. Wu , Rajat K. Pal , Emilio Gallicchio

The development of machine-learning (ML) potentials offers significant accuracy improvements compared to molecular mechanics (MM) because of the inclusion of quantum-mechanical effects in molecular interactions. However, ML simulations are…

Predicting accurate protein-ligand binding affinity is important in drug discovery but remains a challenge even with computationally expensive biophysics-based energy scoring methods and state-of-the-art deep learning approaches. Despite…

Alchemical binding free energy (BFE) calculations offer an efficient and thermodynamically rigorous approach to in silico binding affinity predictions. As a result of decades of methodological improvements and recent advances in computer…

Statistical Mechanics · Physics 2021-07-13 Pengfei Li , Zhijie Li , Yu Wang , Huaixia Dou , Brian K. Radak , Woody Sherman , Huafeng Xu

The primary objective of most lead optimization campaigns is to enhance the binding affinity of ligands. For large molecules such as antibodies, identifying mutations that enhance antibody affinity is particularly challenging due to the…

Machine Learning · Computer Science 2024-06-12 Alexandra Gessner , Sebastian W. Ober , Owen Vickery , Dino Oglić , Talip Uçar

Machine learning potentials have emerged as a means to enhance the accuracy of biomolecular simulations. However, their application is constrained by the significant computational cost arising from the vast number of parameters compared to…

Despite recent advances in protein-ligand structure prediction, deep learning methods remain limited in their ability to accurately predict binding affinities, particularly for novel protein targets dissimilar from the training set. In…

Quantitative Methods · Quantitative Biology 2025-12-04 Michael Brocidiacono , James Wellnitz , Konstantin I. Popov , Alexander Tropsha

Absolute Binding Free Energy (ABFE) methods are among the most accurate computational techniques for predicting protein-ligand binding affinities, but their utility is limited by the need for many simulations of alchemically modified…

Quantitative Methods · Quantitative Biology 2026-03-18 Michael Brocidiacono , Brandon Novy , Rishabh Dey , Konstantin I. Popov , Alexander Tropsha

Binding free energies are a key element in understanding and predicting the strength of protein--drug interactions. While classical free energy simulations yield good results for many purely organic ligands, drugs including transition metal…

We report the results of our participation in the SAMPL8 GDCC Blind Challenge for host-guest binding affinity predictions. Absolute binding affinity prediction is of central importance to the biophysics of molecular association and…

Chemical Physics · Physics 2022-02-09 Solmaz Azimi , Joe Z. Wu , Sheenam Khuttan , Tom Kurtzman , Nanjie Deng , Emilio Gallicchio

Protein-ligand binding prediction is a fundamental problem in AI-driven drug discovery. Prior work focused on supervised learning methods using a large set of binding affinity data for small molecules, but it is hard to apply the same…

Biomolecules · Quantitative Biology 2023-12-14 Wengong Jin , Siranush Sarkizova , Xun Chen , Nir Hacohen , Caroline Uhler

Binding affinity optimization is crucial in early-stage drug discovery. While numerous machine learning methods exist for predicting ligand potency, their comparative efficacy remains unclear. This study evaluates the performance of…

Biomolecules · Quantitative Biology 2024-07-30 Nikolai Schapin , Carles Navarro , Albert Bou , Gianni De Fabritiis

Protein-ligand binding is the process by which a small molecule (drug or inhibitor) attaches to a target protein. Binding affinity, which characterizes the strength of biomolecular interactions, is essential for tackling diverse challenges…

The accurate screening of candidate drug ligands against target proteins through computational approaches is of prime interest to drug development efforts. Such virtual screening depends in part on methods to predict the binding affinity…

Machine Learning · Computer Science 2024-10-22 Ho-Joon Lee , Prashant S. Emani , Mark B. Gerstein

In recent years, machine learning has been proposed as a promising strategy to build accurate scoring functions for computational docking finalized to numerically empowered drug discovery. However, the latest studies have suggested that…

Quantitative Methods · Quantitative Biology 2023-02-17 F. Pellicani , D. Dal Ben , A. Perali , S. Pilati

Binding energy is a fundamental thermodynamic property that governs molecular interactions, playing a crucial role in fields such as healthcare and the natural sciences. It is particularly relevant in drug development, vaccine design, and…

Quantum Physics · Physics 2025-08-06 Erico Souza Teixeira , Lucas Barros Fernandes , Yara Rodrigues Inácio

Accurate prediction of binding free energies is critical to streamlining the drug development and protein design process. With the advent of GPU acceleration, absolute alchemical methods, which simulate the removal of ligand electrostatics…

Biological Physics · Physics 2021-03-17 Edward King , Ruxi Qi , Han Li , Ray Luo , Erick Aitchison
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