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| PR:Q15819 | ubiquitin-conjugating enzyme E2 variant 2 (human) | | |  | | |
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| PR:Q15819-1 | ubiquitin-conjugating enzyme E2 variant 2 isoform 1 (human) | | |  | | |
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| PR:000049585 | ubiquitin-conjugating enzyme E2 variant 2, initiator methionine removed form (human) | | |  | | |
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| PR:Q15819 | ubiquitin-conjugating enzyme E2 variant 2 (human) | | |  | | |
 |  |  |  |  |  |
    |
| PR:Q15819-1 | ubiquitin-conjugating enzyme E2 variant 2 isoform 1 (human) | | |  | | |
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    |
| PR:000049585 | ubiquitin-conjugating enzyme E2 variant 2, initiator methionine removed form (human) | | |  | | |