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| PR:Q67166 | matrix protein 2 (Influenza A virus (strain A/Duck/Czechoslovakia/1956 H4N6)) | | |  | | |
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| PR:Q67166 | matrix protein 2 (Influenza A virus (strain A/Duck/Czechoslovakia/1956 H4N6)) | | |  | | |
 |  |  |  |  |
    |
| PR:Q67166 | matrix protein 2 (Influenza A virus (strain A/Duck/Czechoslovakia/1956 H4N6)) | | |  | | |