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243rd ACS
Mar 25-29, 2012
San Diego, CA
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Presentation at the:  Spring 2009 ACS National Meeting & Exposition


to be held in Salt Lake City, UT, Mar 22 - 26, 2009



Presentation in CINF 044,  SESSION: Library Design, Search Methods and Applications of Fragment-based Drug Design

Tuesday, March 24, 2009 from 10:10 AM to 10:40 AM

Fragment based docking and linking engine of eHiTS

Zsolt Zsoldos 
SimBioSys Inc., 135 Queen's Plate Dr, Unit 520, Toronto, ON M9W 6V1, Canada

Abstract:

Theoretically, any docking engine can be used to place small molecule fragments into the actives sites of receptors and score them. However, most methods suffer from the under-defined constraints -- small fragment in a large cavity -- thus perform inadequately. In contrast, the eHiTS engine [1] has been designed to work exactly in this scenario: it breaks down larger ligands into small fragments and docks those independently, then reconnects the poses. eHiTS provides very accurate (about 0.5A RMSD) pose prediction for small fragments and capable of linking them up without significant loss of the accuracy. The method will be presented with practical examples on how to use eHiTS for fragment based structure design. Validation results will be presented to demonstrate the method's accuracy.

[1] Z. Zsoldos, D. Reid, A. Simon, S.B. Sadjad, A.P. Johnson: eHiTS a new fast, exhaustive flexible ligand docking system; J.Mol.Graph.Modeling. (26), 1, 2007, 198-212;  doi:10.1016/j.jmgm.2006.06.002

Full Presentation

Back to the other SimBioSys related 
Spring ACS, 2009 presentations:

[1], [2], [3], [4], [5], [6]. [7]

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