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Article Publish Status: FREE
Abstract Title:

Activity of phytochemical constituents of(turmeric) andagainst coronavirus (COVID-19): an in silico approach.

Abstract Source:

Futur J Pharm Sci. 2020 ;6(1):104. Epub 2020 Oct 16. PMID: 33215042

Abstract Author(s):

Kalirajan Rajagopal, Potlapati Varakumar, Aparma Baliwada, Gowramma Byran

Article Affiliation:

Kalirajan Rajagopal

Abstract:

Background: In early 2020, many scientists are rushing to discover novel drugs and vaccines against the coronavirus, and treatments for COVID-19, because coronavirus disease 2019 (COVID-19), a life-threatening viral disease, affected first in China and quickly spread throughout the world. In this article, in silico studies have been performed to explore the binding modes of chemical constituents for natural remedies like(turmeric) andagainst COVID-19 (PDB ID 5R82) targeting coronavirus using Schrodinger suit 2019-4. The molecular docking studies are performed by the Glide module, in silico ADMET screening was performed by the QikProp module, and binding energy of ligands was calculated using the Prime MM-GB/SA module.

Results: The chemical constituents from turmeric like cyclocurcumin and curcumin and fromlike andrographolide and dihydroxy dimethoxy flavone are significantly binding with the active site of SARS CoV-2 main protease with Glide score more than - 6 when compared to the currently used drugs hydroxychloroquine (- 5.47) and nelfinavir (- 5.93). When compared to remdesivir (- 6.38), cyclocurcumin from turmeric is significantly more active. The docking results of the compounds exhibited similar mode of interactions with SARS CoV-2. Mainprotease and the residues THR24, THR25, THR26, LEU27, SER46, MET49, HIE41, GLN189, ARG188, ASP187, MET165, HIE164, PHE181, and THR54 play a crucial role in binding with ligands.

Conclusion: Based on in silico investigations, the chemical constituents from turmeric like cyclocurcumin and curcumin and fromlike andrographolide and dihydroxy dimethoxy flavone, significantly binding with the active site of SARS CoV-2 main protease, may produce significant activity and be useful for further development.

Study Type : In Vitro Study

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