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ORIGINAL ARTICLE
Year : 2015  |  Volume : 11  |  Issue : 42  |  Page : 123-126

In silico analysis and molecular docking studies of potential angiotensin-converting enzyme inhibitor using quercetin glycosides


1 Institute of Molecular Biology and Biotechnology, Bahauddin Zakariya University, Multan, Pakistan
2 Department of Pharmacy, COMSATS Institute of Information Technology, Abbottabad, Pakistan

Correspondence Address:
Dr. Syed Aun Muhammad
Institute of Molecular Biology and Biotechnology, Bahauddin Zakariya University, Multan
Pakistan
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/0973-1296.157712

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The purpose of this study was to analyze the inhibitory action of quercetin glycosides by computational docking studies. For this, natural metabolite quercetin glycosides isolated from buckwheat and onions were used as ligand for molecular interaction. The crystallographic structure of molecular target angiotensin-converting enzyme (ACE) (peptidyl-dipeptidase A) was obtained from PDB database (PDB ID: 1O86). Enalapril, a well-known brand of ACE inhibitor was taken as the standard for comparative analysis. Computational docking analysis was performed using PyRx, AutoDock Vina option based on scoring functions. The quercetin showed optimum binding affinity with a molecular target (angiotensin-converting-enzyme) with the binding energy of −8.5 kcal/mol as compared to the standard (−7.0 kcal/mol). These results indicated that quercetin glycosides could be one of the potential ligands to treat hypertension, myocardial infarction, and congestive heart failure.


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