Abstract
The knowledge derived from the three-dimensional structure of a macromolecular receptor either in the native form or in complex with different ligands has given new insights to the development of improved drug candidates contributing to the drug development pipeline. The structure-based drug design approach has been tested on a number of macromolecular targets implicated in various diseases such as hypertension, glaucoma, HIV and influenza. This approach has also been employed for the development of new antidiabetic agents targeting glycogen phosphorylase (GP), an enzyme that modulates glucose levels in blood circulation. The key role of x-ray protein crystallography in the structure-based inhibitor design process is presented by the case of rabbit muscle GP (RMGPb) that shares increased homology with the liver isoenzyme. The properties of the allosteric binding sites of RMGPb are revealed by filing the interactions formed upon binding of characteristic functional groups and documenting the changes induced in the residues lining the site of interest.
Keywords: SGlycogen phosphorylase, inhibitors, structure-based drug design, type 2 diabetes, x-ray crystallography, macromolecular receptor, drug development, hypertension, glaucoma
Current Medicinal Chemistry
Title: From Structure – Based to Knowledge – Based Drug Design Through X-Ray Protein Crystallography: Sketching Glycogen Phosphorylase Binding Sites
Volume: 18 Issue: 17
Author(s): E. D. Chrysina, A. Chajistamatiou and M. Chegkazi
Affiliation:
Keywords: SGlycogen phosphorylase, inhibitors, structure-based drug design, type 2 diabetes, x-ray crystallography, macromolecular receptor, drug development, hypertension, glaucoma
Abstract: The knowledge derived from the three-dimensional structure of a macromolecular receptor either in the native form or in complex with different ligands has given new insights to the development of improved drug candidates contributing to the drug development pipeline. The structure-based drug design approach has been tested on a number of macromolecular targets implicated in various diseases such as hypertension, glaucoma, HIV and influenza. This approach has also been employed for the development of new antidiabetic agents targeting glycogen phosphorylase (GP), an enzyme that modulates glucose levels in blood circulation. The key role of x-ray protein crystallography in the structure-based inhibitor design process is presented by the case of rabbit muscle GP (RMGPb) that shares increased homology with the liver isoenzyme. The properties of the allosteric binding sites of RMGPb are revealed by filing the interactions formed upon binding of characteristic functional groups and documenting the changes induced in the residues lining the site of interest.
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Cite this article as:
D. Chrysina E., Chajistamatiou A. and Chegkazi M., From Structure – Based to Knowledge – Based Drug Design Through X-Ray Protein Crystallography: Sketching Glycogen Phosphorylase Binding Sites, Current Medicinal Chemistry 2011; 18 (17) . https://dx.doi.org/10.2174/092986711795933632
DOI https://dx.doi.org/10.2174/092986711795933632 |
Print ISSN 0929-8673 |
Publisher Name Bentham Science Publisher |
Online ISSN 1875-533X |
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