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Numbers of synonymous and nonsynonymous substitution per site (dN/dS) in H3N2 HA
| Protein sites | dN/dS ratio; tree partition | ||
| All branches | Trunk branches | Other branches | |
| H3N2 HA | 0.27 ± 0.02 | 0.35 ± 0.08 | 0.26 ± 0.02 |
| H3N2 HA1 | 0.37 ± 0.04 | 0.57 ± 0.15 | 0.34 ± 0.04 |
| H3N2 HA2 | 0.13 ± 0.02 | 0.10 ± 0.05 | 0.14 ± 0.03 |
| H3N2 epitopes | 0.63 ± 0.09 | 1.85 ± 0.82 | 0.53 ± 0.08 |
| H3N2 non-epitopes | 0.15 ± 0.02 | 0.09 ± 0.04 | 0.16 ± 0.02 |
