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Amino acid sequence similarity of the SARS-CoV-2 S protein compared to SARS, bat SARS-like, and bat RatG13 coronaviruses.
| SARS-CoV (GZ02) | Bat SARS-like CoV | Bat-CoV (RatG13) | |
|---|---|---|---|
| Full length | 76.27 % | 80.32 % | 97.41 % |
| S1 subunit | 64.98 % | 68.74 % | 95.95 % |
| S1-CTD | 74.75 % | 64.14 % | 89.39 % |
| S1-NTD | 52.69 % | 66.77 % | 98.48 % |
| S2 subunit | 88.78 % | 92.90 % | 99.01 % |
