Docking Simulations Exhibit Bortezomib and other Boron-containing Peptidomimetics as Potential Inhibitors of SARS-CoV-2 Main Protease

Author(s): Iván R Vega-Valdez, Rosalez Melvin N., Santiago-Quintana José M., Farfán-García Eunice D., Soriano-Ursúa Marvin A.*

Journal Name: Current Chemical Biology

Volume 14 , Issue 4 , 2020


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Abstract:

Background: Treatment of the COVID19 pandemic requires drug development. Boron- containing compounds are attractive chemical agents, some of them act as proteases inhibitors.

Objective: The present study explores the role of boronic moieties in molecules interacting on the binding site of the SARS-CoV-2 main protease.

Methods: Conventional docking procedure was applied by assaying boron-free and boron-containing compounds on the recently reported crystal structure of SARS-CoV-2 main protease (PDB code: 6LU7). The set of 150 ligands includes bortezomib and inhibitors of coronavirus proteases.

Results: Most of the tested compounds share contact with key residues and pose on the cleavage pocket. The compounds with a boron atom in their structure are often estimated to have higher affinity than boron-free analogues.

Conclusion: Interactions and the affinity of boron-containing peptidomimetics strongly suggest that boron-moieties increase affinity on the main protease, which is tested by in vitro assays. A Bis-boron-containing compound previously tested active on SARS-virus protease and bortezomib were identified as potent ligands. These advances may be relevant to drug designing, in addition to testing available boron-containing drugs in patients with COVID19 infection.

Keywords: Boron, boronic acids, oligopeptides, bortezomib, protease inhibitors, COVID19.

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Article Details

VOLUME: 14
ISSUE: 4
Year: 2020
Published on: 18 January, 2021
Page: [279 - 288]
Pages: 10
DOI: 10.2174/2212796814999201102195651

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