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Abstract

Inhibitory Potentials of Phytoconstituents of Phyllanthus amarus against Severe Acute Respiratory Syndrome-Corona Virus-2 Main Protease: A Computational Aided Approach

Author(s): M. Pushpa Sree, G. Prakash Yoganandam* and V. Gopal
Department of Pharmacognosy, College of Pharmacy, Mother Theresa Post Graduate and Research Institute of Health Sciences, (Govt. of Puducherry), Gorimedu, Puducherry 605006, India

Correspondence Address:
G. Prakash Yoganandam, Department of Pharmacognosy, College of Pharmacy, Mother Theresa Post Graduate and Research Institute of Health Sciences, (Govt. of Puducherry), Gorimedu, Puducherry 605006, India


In 2019, a new strain of Coronavirus disease was identified in Wuhan, China. Specific therapies are unavailable and investigations regarding Coronavirus disease treatment are lacking. The present study aimed to assess bioactive compounds found in medicinal plant Phyllanthus amarus as potential Coronavirus disease main protease inhibitors, using a molecular docking study. Molecular docking was performed using Autodock 4.2. Coronavirus disease main protease was docked with several compounds, and docking was analysed by Autodock 4.2, Lopinavir was used as standard for comparison. The binding energies obtained from the docking of 6LU7 with native ligand, lopinavir, Phyllanthin, Hypophyllanthin, Hexanedioic acid, bis (2-ethylhexyl) ester, Benzeneethanamine,3,4-dimethoxy-n-((pentafluoro phenyl) methylene), Phenethylamine, 2-methoxy-alpha.-methyl-4,5-(methylenedioxy), Diisooctyl adipate, P-Tert-Octylresorcinol, 4-methyl-2,5-dimethoxy phenethylamine, 3-(2,4-dimethoxy-phenyl)-2-formylaminopropionic acid, ethyl ester, Rutin, Quercetin and Niranthin were -6.08, -4.44, -4.14, -2.32, -4.23, -4.07, -2.5, -4.66, -4.14, -3.38, -7.46, -6.28 and -4.62 kcal/mol, respectively. Therefore, lopinavir may represent potential treatment option and Rutin and Quercetin appeared to have the best potential to act as Coronavirus disease main protease inhibitors. Thus all the compounds have shown significant binding energy and potent inhibitory effect against Coronavirus disease main protease. However, further research is necessary to investigate their potential medicinal use.

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