Table 1.
Variability explained by the synonymous codon usage level and the amino acid level.
| Orf1ab (%) | Spike (%) | Membrane (%) | Nucleocapsid (%) | |
|---|---|---|---|---|
| WCA (synonymous codon level) | 90.36 | 85.29 | 83.71 | 84.07 |
| BCA (amino acid level) | 9.64 | 14.71 | 16.29 | 15.93 |
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