2020
DOI: 10.1021/acs.jcim.0c00900
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Large-Scale Assessment of Binding Free Energy Calculations in Active Drug Discovery Projects

Abstract: Here we present an evaluation of the binding affinity prediction accuracy of the free energy calculation method FEP+ on internal active drug discovery projects and on a large new public benchmark set. File list (3) download file view on ChemRxiv manuscript.pdf (4.23 MiB) download file view on ChemRxiv supplementary.pdf (0.92 MiB) download file view on ChemRxiv tables.zip (5.99 KiB)

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Cited by 201 publications
(365 citation statements)
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References 97 publications
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“…Unfortunately, it promotes the uncritical use of one-off simulations. Merck recently published a large-scale study using FEP+ and discussed several challenges in its application within the drug discovery process [75]. However, the authors did not perform ensemble simulations to confirm the robustness and reproducibility of their findings which therefore have only a provisional status.…”
Section: Ensemble Averagingmentioning
confidence: 99%
See 1 more Smart Citation
“…Unfortunately, it promotes the uncritical use of one-off simulations. Merck recently published a large-scale study using FEP+ and discussed several challenges in its application within the drug discovery process [75]. However, the authors did not perform ensemble simulations to confirm the robustness and reproducibility of their findings which therefore have only a provisional status.…”
Section: Ensemble Averagingmentioning
confidence: 99%
“…In such cases, an accurate ranking of the available drugs based on their binding affinities when bound to different mutants of the target protein is the prerequisite. We studied the efficacy of two inhibitors to wild-type and mutant fibroblast growth factor receptor 1 (FGFR1) using ensemble simulations [75]. FGFR1 is a recognized therapeutic target in cancer.…”
Section: Application Of Free Energy Calculationsmentioning
confidence: 99%
“…The initialization of the simulations with a proper starting structure has a profound effect on the accuracy of estimated ∆G (Fig 2). This observation, however, could be interpreted merely as a sampling issue: routine free energy calculation protocols use short (5-20 ns) equilibrium simulations 16,43,52 that may not be sufficient for generating a representative apo state ensemble. Inaccuracies in the estimated free energies due to undersampling have been previously reported for both rel-ative 31 and absolute 5 protein-ligand binding free energy calculations.…”
Section: Apo Protein State In Absolute ∆G Calculationsmentioning
confidence: 99%
“…The initialization of the simulations with a proper starting structure has a profound effect on the accuracy of estimated ∆G (Fig 2). This observation, however, could be inter-preted merely as a sampling issue: routine free energy calculation protocols use short (5-20 ns) equilibrium simulations 15,39,47 that may not be sufficient for generating a representative apo state ensemble. Inaccuracies in the estimated free energies due to undersampling have been previously reported for both relative 28 and absolute 4 protein-ligand binding free energy calculations.…”
Section: Apo Protein State In Absolute ∆G Calculationsmentioning
confidence: 99%