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. 2021 Jan 15;11:1529. doi: 10.1038/s41598-020-80325-x

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© The Author(s) 2021

Open Access This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons licence, and indicate if changes were made. The images or other third party material in this article are included in the article's Creative Commons licence, unless indicated otherwise in a credit line to the material. If material is not included in the article's Creative Commons licence and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this licence, visit http://creativecommons.org/licenses/by/4.0/.

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Spike-ACE2 interaction details. The hydrogen and hydrophobic bonds within different ACE2-Spike protein complexes. The ACE2 residues have been labeled by “B” letter and the Spike protein residues have been shown by “A”. The green line represents the hydrogen bonds. Residues involved in hydrogen bonds have been shown in blue and green colors, while brown and black colors are used for hydrophobic interactions. The length of the hydrogen bonds is determined by the angstrom. (a) Experimental 6M17chainB-6M17chainA complex; (b) Simulated Spike-ACE2 complex; (c) Simulated Spike-ACE2(Lyz26 >Arg) complex; (d) Simulated Spike-ACE2(Ser331 >Phe) complex.

Spike-ACE2 interaction details. The hydrogen and hydrophobic bonds within different ACE2-Spike protein complexes. The ACE2 residues have been labeled by “B” letter and the Spike protein residues have been shown by “A”. The green line represents the hydrogen bonds. Residues involved in hydrogen bonds have been shown in blue and green colors, while brown and black colors are used for hydrophobic interactions. The length of the hydrogen bonds is determined by the angstrom. (a) Experimental 6M17chainB-6M17chainA complex; (b) Simulated Spike-ACE2 complex; (c) Simulated Spike-ACE2(Lyz26 >Arg) complex; (d) Simulated Spike-ACE2(Ser331 >Phe) complex.