Research Article
Epidemiological and Molecular Characteristics of the PB1-F2 Proteins in H7N9 Influenza Viruses, Jiangsu
Table 1
Selection pressure analysis of PB1-F2 protein of H7N9 and H9N2 virus using SLAC, FEL, and REL methods.
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Methods | Positive selection site data | Negative selection site data | Position | Normalised () dN/dS | value | Bayes factor | Position | Normalised () dN/dS | value | Bayes factor |
| SLAC | 48 | 11.39 | 0.026 | / | 24 | −7.98 | 0.039 | / | | | | | 65 | −9.36 | 0.032 | / |
| FEL | 21 | 53.25 | 0.028 | / | 24 | −46.26 | 0.007 | / | 37 | 25.16 | 0.097 | / | 65 | −57.34 | 0.052 | / | 46 | 27.01 | 0.091 | / | | | | | 48 | 77.94 | 0.003 | / | | | | | 54 | 33.57 | 0.042 | / | | | | | 82 | 30.98 | 0.039 | / | | | | |
| REL | 30 | 2.43 | / | 83.30 | 16 | −9.51 | / | 131.91 | 38 | 2.44 | / | 113.39 | 24 | −14.28 | / | 10558.2 | 43 | 3.65 | / | 118.39 | 65 | −12.57 | / | 11504.5 | 48 | 18.14 | / | 357.09 | | | | | 64 | 2.38 | / | 200.36 | | | | | 72 | 3.71 | / | 198.05 | | | | | 82 | 4.75 | / | 187.46 | | | | |
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SLAC: single likelihood ancestor counting. FEL: fixed effects likelihood. REL: random effects likelihood.
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