English
Related papers

Related papers: Potential Distribution Theory of Alchemical Transf…

200 papers

The Alchemical Transfer Method (ATM) for the calculation of standard binding free energies of non-covalent molecular complexes is presented. The method is based on a coordinate displacement perturbation of the ligand between the receptor…

Chemical Physics · Physics 2021-01-21 Joe Z. Wu , Solmaz Azimi , Sheenam Khuttan , Nanjie Deng , Emilio Gallicchio

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 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

We present the Alchemical Transfer with Coordinate Swapping (ATS) method to enable the calculation of the relative binding free energies between large congeneric ligands and single-point mutant peptides to protein receptors with the…

Chemical Physics · Physics 2024-12-31 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

We present receptor hopping and receptor swapping free energy estimation protocols based on the Alchemical Transfer Method (ATM) to model the binding selectivity of a set of ligands to two arbitrary receptors. The receptor hopping protocol,…

Chemical Physics · Physics 2024-08-28 Solmaz Azimi , Emilio Gallicchio

We present a new method that combines alchemical transformation with physical pathway to accurately and efficiently compute the absolute binding free energy of receptor-ligand complex. Currently, the double decoupling method (DDM) and the…

Biomolecules · Quantitative Biology 2018-08-29 Nanjie Deng , Lauren Wickstrom , Emilio Gallicchio

The recently proposed Partition Theory (PT) [J.Phys.Chem.A 111, 2229 (2007)] is illustrated on a simple one-dimensional model of a heteronuclear diatomic molecule. It is shown that a sharp definition for the charge of molecular fragments…

Other Condensed Matter · Physics 2016-09-28 Morrel H. Cohen , Adam Wasserman , Roberto Car , Kieron Burke

In the development of equations of state for polyatomic molecules, thermodynamic perturbation theory (TPT) is widely used to calculate the change in free energy due to chain formation. TPT is a simplification of a more general and exact…

Soft Condensed Matter · Physics 2016-07-13 Bennett D. Marshall

Many chemical reactions can be formulated in terms of particle diffusion in a complex energy landscape. Transition path theory (TPT) is a theoretical framework for describing the direct (reaction) pathways from reactant to product states…

Statistical Mechanics · Physics 2023-10-03 Paul C Bressloff

Due to inter-subunit communication, multisubunit enzymes usually hydrolyze ATP in a concerted fashion. However, so far the principle of this process remains poorly understood. In this study, from the viewpoint of statistical thermodynamics,…

Mathematical Physics · Physics 2015-06-04 Yunxin Zhang

We present a parameterized analytical model of alchemical molecular binding. The model describes accurately the free energy profiles of linear single-decoupling alchemical binding free energy calculations. The parameters of the model, which…

Biomolecules · Quantitative Biology 2017-07-06 Emilio Gallicchio

We study spectral and transport properties of one-dimensional tight-binding $\mathcal{PT}$-symmetric chains with alternating couplings. Based on the transfer matrix method, we have analytically developed the expressions for the transmission…

Other Condensed Matter · Physics 2019-04-02 Moreno-Rodríguez L. A. , Izrailev F. M. , Méndez-Bermúdez J. A

A method is presented for calculating binding energies and other properties of extended interacting systems using the projected density of transitions (PDoT) which is the probability distribution for transitions of different energies…

Strongly Correlated Electrons · Physics 2009-10-31 Roger Haydock

We apply the Alchemical Transfer Method (ATM) and a bespoke fixed partial charge force field to the SAMPL9 bCD host-guest binding free energy prediction challenge that comprises a combination of complexes formed between five phenothiazine…

Chemical Physics · Physics 2023-02-28 Sheenam Khuttan , Solmaz Azimi , Joe Z. Wu , Sebastian Dick , Chuanjie Wu , Huafeng Xu , Emilio Gallicchio

The atmospheric turbulence is the main factor that influences quantum properties of propagating optical signals and may sufficiently degrade the performance of quantum communication protocols. The probability distribution of transmittance…

Quantum Physics · Physics 2018-07-06 D. Vasylyev , W. Vogel , A. A. Semenov

We study alchemical atomic energy partitioning as a method to estimate atomisation energies from atomic contributions which are defined in physically rigorous and general ways through use of the uniform electron gas as a joint reference. We…

The charge-transfer (CT) together with the polarization energy appears at second and higher orders in symmetry-adapted perturbation theory (SAPT). At present there is no theoretically compelling way of isolating the charge-transfer energy…

Chemical Physics · Physics 2013-08-07 Alston J. Misquitta

An ab-initio analysis based on coupled mode theory (CMT) is applied to describe the interaction dynamics of high dielectric resonators (DRs) with its containing aqueous solution. We prove that the coupling mechanism is reciprocal. Such…

Applied Physics · Physics 2020-08-25 Sameh. Y. Elnaggar , Chinmoy Saha , Yahia. M. M. Antar
‹ Prev 1 2 3 10 Next ›