Identification of potential inhibitors of SARS-CoV-2 S protein–ACE2 interaction by in silico drug repurposing

Author:

Tristán-Flores Fabiola E,Casique-Aguirre DianaORCID,Pliego-Arreaga Raquel,Cervantes-Montelongo Juan A,García-Gutierrez Ponciano,Acosta-García GerardoORCID,Silva-Martínez Guillermo AORCID

Abstract

Background: Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), a new coronavirus discovered that appeared in Wuhan, China, in December 2019, causes COVID-19 disease which have resulted in cases similar to SARS-atypical pneumonia. Worldwide, around 116 million cases and 2.57 million deaths are reported with new cases and increasing mortality every day. To date, there is no specific commercial treatment to control the infection. Repurpose drugs targeting the angiotensin-converting enzyme 2 (ACE2) receptor represents an alternative strategy to block the binding of SARS-CoV-2 protein S and forestall virus adhesion, internalization, and replication in the host cell. Methods: We performed a rigid molecular docking using the receptor binding domain of the S1 subunit of S protein (RBD S1)-ACE2 (PDB ID: 6VW1) interaction site and 1,283 drugs FDA approved. The docking score, frequency of the drug in receptor site, and interactions at the binding site residues were used as analyzing criteria. Results: This research yielded 40 drugs identified as a potential inhibitor of RBD S1-ACE2 interaction. Among the inhibitors, compounds such as ipratropium, formoterol, and fexofenadine can be found. Specialists employ these drugs as therapies to treat chronic obstructive pulmonary disease, asthma and virtually any respiratory infection. Conclusions: Our results will serve as the basis for in vitro and in vivo studies to evaluate the potential use of those drugs to generate affordable and convenient therapies to treat COVID-19.

Funder

Consejo Nacional de Ciencia y Tecnología

Publisher

F1000 Research Ltd

Subject

General Pharmacology, Toxicology and Pharmaceutics,General Immunology and Microbiology,General Biochemistry, Genetics and Molecular Biology,General Medicine

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