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Document Type

Article

Publication Date

12-13-2020

Keywords

ACE2, viral spike receptor-binding domain, SARS-CoV-2, transmission, bioinformatics

DOI

https://doi.org/10.3390/molecules25245906

Abstract

Angiotensin-converting enzyme 2 (ACE2) is the cellular receptor for the Severe Acute Respiratory Syndrome Coronavirus 2 (SARS-CoV-2) that is engendering the severe coronavirus disease 2019 (COVID-19) pandemic. The spike (S) protein receptor-binding domain (RBD) of SARS-CoV-2 binds to the three sub-domains viz. amino acids (aa) 22-42, aa 79-84, and aa 330-393 of ACE2 on human cells to initiate entry. It was reported earlier that the receptor utilization capacity of ACE2 proteins from different species, such as cats, chimpanzees, dogs, and cattle, are different. A comprehensive analysis of ACE2 receptors of nineteen species was carried out in this study, and the findings propose a possible SARS-CoV-2 transmission flow across these nineteen species.

Rights Information

Creative Commons License
This work is licensed under a Creative Commons Attribution 4.0 License.

Citation / Publisher Attribution

Molecules, v. 25, issue 24, art. 5906

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