DNA-directed RNA polymerase I subunit RPA12
UniProtKB accession: P32529
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Go to UniProtKB: P32529
UniProtKB description: DNA-dependent RNA polymerases catalyze the transcription of DNA into RNA using the four ribonucleoside triphosphates as substrates. Component of RNA polymerase I (Pol I) which synthesizes ribosomal RNA precursors. Besides, RNA polymerase I has intrinsic RNA cleavage activity. Proposed to contribute to the polymerase catalytic activity and form the polymerase active center together with the two largest subunits. Subunit RPA12 contributes a catalytic zinc ribbon that is required for RNA cleavage by Pol I. Involved in transcriptional termination.
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