Importance of ligand conformational energies in carbohydrate docking : Sorting the wheat from the chaff

Copyright © 2013 Wiley Periodicals, Inc.

Détails bibliographiques
Publié dans:Journal of computational chemistry. - 1984. - 35(2014), 7 vom: 15. März, Seite 526-39
Auteur principal: Nivedha, Anita K (Auteur)
Autres auteurs: Makeneni, Spandana, Foley, Bethany Lachele, Tessier, Matthew B, Woods, Robert J
Format: Article en ligne
Langue:English
Publié: 2014
Accès à la collection:Journal of computational chemistry
Sujets:Journal Article Research Support, N.I.H., Extramural Research Support, Non-U.S. Gov't antibody autodock vina carbohydrate docking energy function Antibodies Carbohydrates Ligands
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520 |a Docking algorithms that aim to be applicable to a broad range of ligands suffer reduced accuracy because they are unable to incorporate ligand-specific conformational energies. Here, we develop a set of Carbohydrate Intrinsic (CHI) energy functions that quantify the conformational properties of oligosaccharides, based on the values of their glycosidic torsion angles. The relative energies predicted by the CHI energy functions mirror the conformational distributions of glycosidic linkages determined from a survey of oligosaccharide-protein complexes in the protein data bank. Addition of CHI energies to the standard docking scores in Autodock 3, 4.2, and Vina consistently improves pose ranking of oligosaccharides docked to a set of anticarbohydrate antibodies. The CHI energy functions are also independent of docking algorithm, and with minor modifications, may be incorporated into both theoretical modeling methods, and experimental NMR or X-ray structure refinement programs 
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650 4 |a Research Support, N.I.H., Extramural 
650 4 |a Research Support, Non-U.S. Gov't 
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700 1 |a Makeneni, Spandana  |e verfasserin  |4 aut 
700 1 |a Foley, Bethany Lachele  |e verfasserin  |4 aut 
700 1 |a Tessier, Matthew B  |e verfasserin  |4 aut 
700 1 |a Woods, Robert J  |e verfasserin  |4 aut 
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