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| PR:Q6XV27 | neuraminidase (Influenza A virus (strain A/Duck/England/1/1956 H11N6)) | | |  | | |
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| PR:Q6XV23 | neuraminidase (Influenza A virus (strain A/Gull/Maryland/704/1977 H13N6)) | | |  | | |
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| PR:Q20NV8 | neuraminidase (Influenza A virus (strain A/Gull/Minnesota/945/1980 H13N6)) | | |  | | |
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    |
| PR:Q6XV27 | neuraminidase (Influenza A virus (strain A/Duck/England/1/1956 H11N6)) | | |  | | |
 |  |  |  |  |  |  |
    |
| PR:Q6XV23 | neuraminidase (Influenza A virus (strain A/Gull/Maryland/704/1977 H13N6)) | | |  | | |
 |  |  |  |  |  |  |
    |
| PR:Q20NV8 | neuraminidase (Influenza A virus (strain A/Gull/Minnesota/945/1980 H13N6)) | | |  | | |