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. 2021 Mar 3;12:657439. doi: 10.3389/fmicb.2021.657439

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Copyright © 2021 Li, Wang, Hua, Liu, Zhou, Chen, An, Hou, Huang and Chen.

This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) and the copyright owner(s) are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

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Sequence comparison between SARS-CoV-2, Bat-CoV-RaTG13, and pangolin-CoVs based on their N gene sequence: (A) Sequence comparison between SARS-CoV-2, Bat-CoV-RaTG13, and pangolin-CoVs based on their N gene nucleotide sequence. The red frame indicates nucleotide variation sites among pangolins. The green frame indicates nucleotide variation sites between pangolins and SARS-CoV-2 or Bat-RaTG13. The blue frame indicates nucleotide variation sites between SARS-CoV-2 and Bat-RaTG13. (B) Sequence comparison between SARS-CoV-2, Bat-CoV-RaTG13, and pangolin-CoVs based on their N gene amino acid sequence. The purple frame indicates amino acid variation sites between pangolins and SARS-CoV-2 or Bat-RaTG13. The asterisk indicates that all nucleotide and amino acid sites are exactly the same in all compared sequences.