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. 2021 Feb 22:bbab044. doi: 10.1093/bib/bbab044

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© The Author(s) 2021. Published by Oxford University Press. All rights reserved. For Permissions, please email: journals.permissions@oup.com

This article is made available via the PMC Open Access Subset for unrestricted re-use and analyses in any form or by any means with acknowledgement of the original source. These permissions are granted for the duration of the COVID-19 pandemic or until permissions are revoked in writing. Upon expiration of these permissions, PMC is granted a perpetual license to make this article available via PMC and Europe PMC, consistent with existing copyright protections.

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Comparison of interaction mechanisms of differential residues in SARS-CoV/SARS-CoV-2 RBD–ACE2 complex at a temperature of 200 K. Differential residues (A/B) R426/N439 and (C/D) N479/Q493 and D480/S494 in SARS-CoV/SARS-CoV-2 RBD. The SARS-CoV RBD, SARS-CoV-2 RBD and ACE2 are shown in gray, yellow and blue, respectively. ‘’ and ‘’ represent positively and negatively charged residues, respectively.

Inline graphic — Comparison of interaction mechanisms of differential residues in SARS-CoV/SARS-CoV-2 RBD–ACE2 complex at a temperature of 200 K. Differential residues (A/B) R426/N439 and (C/D) N479/Q493 and D480/S494 in SARS-CoV/SARS-CoV-2 RBD. The SARS-CoV RBD, SARS-CoV-2 RBD and ACE2 are shown in gray, yellow and blue, respectively. ‘’ and ‘’ represent positively and negatively charged residues, respectively.