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| PR:000039128 | DNA-directed RNA polymerase II subunit RPB1 isoform 1 | | |  | | |
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| PR:P08775-1 | DNA-directed RNA polymerase II subunit RPB1 isoform 1 (mouse) | | |  | | |
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| PR:P08775 | DNA-directed RNA polymerase II subunit RPB1 (mouse) | | |  | | |
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| PR:P08775-1 | DNA-directed RNA polymerase II subunit RPB1 isoform 1 (mouse) | | |  | | |
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| PR:P08775 | DNA-directed RNA polymerase II subunit RPB1 (mouse) | | |  | | |
 |  |  |  |  |  |
    |
| PR:P08775-1 | DNA-directed RNA polymerase II subunit RPB1 isoform 1 (mouse) | | |  | | |