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| PR:P21603 | DNA-directed RNA polymerase 30 kDa polypeptide (Vaccinia virus WR) | | |  | | |
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| PR:P21603-1 | DNA-directed RNA polymerase 30 kDa polypeptide isoform Long (Vaccinia virus WR) | | |  | | |
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| PR:P21603-2 | DNA-directed RNA polymerase 30 kDa polypeptide isoform Short (Vaccinia virus WR) | | |  | | |