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| 100 | 1 | _ | |a Korshunova, Ksenia |0 P:(DE-Juel1)171535 |b 0 |
| 245 | _ | _ | |a Ligand Affinities within the Open-Boundary Molecular Mechanics/Coarse-Grained Framework (I): Alchemical Transformations within the Hamiltonian Adaptive Resolution Scheme |
| 260 | _ | _ | |a Washington, DC |c 2021 |b Soc. |
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| 520 | _ | _ | |a Our recently developed Open-Boundary Molecular Mechanics/Coarse Grained (OB-MM/CG) framework predicts ligand poses in important pharmaceutical targets, such as G-protein Coupled Receptors, even when experimental structural information is lacking. The approach, which is based on GROMOS and AMBER force fields, allows for grand-canonical simulations of protein–ligand complexes by using the Hamiltonian Adaptive Resolution Scheme (H-AdResS) for the solvent. Here, we present a key step toward the estimation of ligand binding affinities for their targets within this approach. This is the implementation of the H-AdResS in the GROMACS code. The accuracy of our implementation is established by calculating hydration free energies of several molecules in water by means of alchemical transformations. The deviations of the GROMOS- and AMBER-based H-AdResS results from the reference fully atomistic simulations are smaller than the accuracy of the force field and/or they are in the range of the published results. Importantly, our predictions are in good agreement with experimental data. The current implementation paves the way to the use of the OB-MM/CG framework for the study of large biological systems. |
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| 700 | 1 | _ | |a Carloni, Paolo |0 P:(DE-Juel1)145614 |b 1 |e Corresponding author |
| 773 | _ | _ | |a 10.1021/acs.jpcb.0c09805 |g Vol. 125, no. 3, p. 789 - 797 |0 PERI:(DE-600)2006039-7 |n 3 |p 789 - 797 |t The journal of physical chemistry |v 125 |y 2021 |x 1520-5207 |
| 856 | 4 | _ | |u https://juser.fz-juelich.de/record/891480/files/acs.jpcb.0c09805.pdf |y Restricted |
| 856 | 4 | _ | |y Published on 2021-01-14. Available in OpenAccess from 2022-01-14. |u https://juser.fz-juelich.de/record/891480/files/10.1021_acs.jpcb.0c09805.pdf |
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