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| PR:000006000 | carboxy-terminal domain RNA polymerase II polypeptide A small phosphatase 2 | | |  | | |
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| PR:Q8BX07 | carboxy-terminal domain RNA polymerase II polypeptide A small phosphatase 2 (mouse) | | |  | | |
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| PR:Q8BX07 | carboxy-terminal domain RNA polymerase II polypeptide A small phosphatase 2 (mouse) | | |  | | |