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© Research
Publication : Advances and applications in bioinformatics and chemistry : AABC

Contact-based ligand-clustering approach for the identification of active compounds in virtual screening

Scientific Fields
Diseases
Organisms
Applications
Technique

Published in Advances and applications in bioinformatics and chemistry : AABC - 06 Sep 2012

Mantsyzov AB, Bouvier G, Evrard-Todeschi N, Bertho G

Link to Pubmed [PMID] – 23055752

Adv Appl Bioinform Chem 2012;5:61-79

Evaluation of docking results is one of the most important problems for virtual screening and in silico drug design. Modern approaches for the identification of active compounds in a large data set of docked molecules use energy scoring functions. One of the general and most significant limitations of these methods relates to inaccurate binding energy estimation, which results in false scoring of docked compounds. Automatic analysis of poses using self-organizing maps (AuPosSOM) represents an alternative approach for the evaluation of docking results based on the clustering of compounds by the similarity of their contacts with the receptor. A scoring function was developed for the identification of the active compounds in the AuPosSOM clustered dataset. In addition, the AuPosSOM efficiency for the clustering of compounds and the identification of key contacts considered as important for its activity, were also improved. Benchmark tests for several targets revealed that together with the developed scoring function, AuPosSOM represents a good alternative to the energy-based scoring functions for the evaluation of docking results.

http://www.ncbi.nlm.nih.gov/pubmed/23055752