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Open AccessArticle

Multipose Binding in Molecular Docking

Structural Bioinformatics, BIOTEC TU Dresden, Tatzberg 47-51, Dresden 01307, Germany
Department of Medical Systems Biology, TU Dresden, Medical Faculty, University Hospital Carl Gustav Carus, Dresden 01307, Germany
Authors to whom correspondence should be addressed.
These authors contributed equally to this work.
Int. J. Mol. Sci. 2014, 15(2), 2622-2645;
Received: 18 December 2013 / Revised: 17 January 2014 / Accepted: 21 January 2014 / Published: 14 February 2014
(This article belongs to the Collection Proteins and Protein-Ligand Interactions)
Molecular docking has been extensively applied in virtual screening of small molecule libraries for lead identification and optimization. A necessary prerequisite for successful differentiation between active and non-active ligands is the accurate prediction of their binding affinities in the complex by use of docking scoring functions. However, many studies have shown rather poor correlations between docking scores and experimental binding affinities. Our work aimed to improve this correlation by implementing a multipose binding concept in the docking scoring scheme. Multipose binding, i.e., the property of certain protein-ligand complexes to exhibit different ligand binding modes, has been shown to occur in nature for a variety of molecules. We conducted a high-throughput docking study and implemented multipose binding in the scoring procedure by considering multiple docking solutions in binding affinity prediction. In general, improvement of the agreement between docking scores and experimental data was observed, and this was most pronounced in complexes with large and flexible ligands and high binding affinities. Further developments of the selection criteria for docking solutions for each individual complex are still necessary for a general utilization of the multipose binding concept for accurate binding affinity prediction by molecular docking. View Full-Text
Keywords: multipose binding; high-throughput docking; scoring optimization; binding affinity prediction multipose binding; high-throughput docking; scoring optimization; binding affinity prediction
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Atkovska, K.; Samsonov, S.A.; Paszkowski-Rogacz, M.; Pisabarro, M.T. Multipose Binding in Molecular Docking. Int. J. Mol. Sci. 2014, 15, 2622-2645.

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