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| PR:P26127 | matrix protein 1 (Influenza A virus (strain A/Leningrad/134/1957 H2N2)) | | |  | | |
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| PR:P67864 | matrix protein 1 (Influenza A virus (strain A/Leningrad/134/17/1957 H2N2)) | | |  | | |
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| PR:P26127 | matrix protein 1 (Influenza A virus (strain A/Leningrad/134/1957 H2N2)) | | |  | | |
 |  |  |  |  |  |  |
    |
| PR:P67864 | matrix protein 1 (Influenza A virus (strain A/Leningrad/134/17/1957 H2N2)) | | |  | | |
 |  |  |  |  |
    |
| PR:P26127 | matrix protein 1 (Influenza A virus (strain A/Leningrad/134/1957 H2N2)) | | |  | | |
 |  |  |  |  |  |
    |
| PR:P67864 | matrix protein 1 (Influenza A virus (strain A/Leningrad/134/17/1957 H2N2)) | | |  | | |
 |  |  |  |  |
    |
| PR:P67864 | matrix protein 1 (Influenza A virus (strain A/Leningrad/134/17/1957 H2N2)) | | |  | | |