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Table 4 NA genetic mutations compared with A/Brisbane/02/2018 (N1 numbering)

From: Characterization of neuraminidase inhibitor-resistant influenza virus isolates from immunocompromised patients in the Republic of Korea

Virus Amino acid identity with A/Brisbane/02/2018 (%) T13I I29M Q51K F74S P93Sa,b I99Vb H275Yc G298Aa V321Ia V394Ib D416Na,b T452Ia,b,d
A/Korea/S0003/2019 98.3      
A/Korea/S0002/2019 98.5         
Frequency (%) 99.79 0.65 18.14 16.78 0.34 0.89 0.58 0.75 1.13 1.37 36.25 18.76
  1. substitution of the amino acid indicated
  2. aBinding small ligand
  3. bviral oligomerization interfaces
  4. cstrong drug resistance
  5. dbinding host protein
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