In silico molecular docking studies of certain commercially available flavonoids as effective antiviral agents against spike glycoprotein of SARS-CoV-2

A. Madeswaran, S. Brahmasundari, P.G. Midhuna

Department of Pharmacology, College of Pharmacy, Sri Ramakrishna Institute of Paramedical Sciences, Affiliated to The Tamil Nadu Dr. M.G.R. Medical University, Coimbatore, Tamil Nadu, India. madeswaran2@gmail.com

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• Infectious Diseases

OBJECTIVE: Coronaviruses are large, enveloped, positive-stranded RNA viruses. These viruses contain spike-like projections of glycoprotein on their surface, which appear like a crown. Millions of infections and thousands of deaths have been reported worldwide to date. Hence, the objective of the present study was to look for in silico evaluation of certain commercially available flavonoids against SARS-CoV-2 enzyme.

MATERIALS AND METHODS: The in silico docking calculations were carried out using AutoDock 4.2 software. For the computational investigation, Apigenin, Catechin, Galangin, Luteolin, Naringenin were selected. An anti-viral drug Remdesivir was selected as reference drug.

RESULTS: In the present study we found that Naringenin showed excellent binding score with the SARS-CoV-2 enzyme compared to the reference drug and other selected flavonoids.

CONCLUSIONS: Based on the docking results, we conclude that Naringenin can be considered worthwhile to check its antiviral activity for the management of Coronavirus disease.

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