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Issue 27, 2014
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Performance of the MM/GBSA scoring using a binding site hydrogen bond network-based frame selection: the protein kinase case

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Abstract

A conformational selection method, based on hydrogen bond (Hbond) network analysis, has been designed in order to rationalize the configurations sampled using molecular dynamics (MD), which are commonly used in the estimation of the relative binding free energy of ligands to macromolecules through the MM/GBSA or MM/PBSA method. This approach makes use of protein–ligand complexes obtained from X-ray crystallographic data, as well as from molecular docking calculations. The combination of several computational approaches, like long MD simulations on protein–ligand complexes, Hbond network-based selection by scripting techniques and finally MM/GBSA, provides better statistical correlations against experimental binding data than previous similar reported studies. This approach has been successfully applied in the ranking of several protein kinase inhibitors (CDK2, Aurora A and p38), which present both diverse and related chemical structures.

Graphical abstract: Performance of the MM/GBSA scoring using a binding site hydrogen bond network-based frame selection: the protein kinase case

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Supplementary files

Article information


Submitted
30 Mar 2014
Accepted
16 May 2014
First published
19 May 2014

Phys. Chem. Chem. Phys., 2014,16, 14047-14058
Article type
Paper
Author version available

Performance of the MM/GBSA scoring using a binding site hydrogen bond network-based frame selection: the protein kinase case

F. Adasme-Carreño, C. Muñoz-Gutierrez, J. Caballero and J. H. Alzate-Morales, Phys. Chem. Chem. Phys., 2014, 16, 14047
DOI: 10.1039/C4CP01378F

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