Bifunctional protein PyrR
UniProtKB accession: P41007
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Go to UniProtKB: P41007
UniProtKB description: Regulates transcriptional attenuation of the pyrimidine nucleotide (pyr) operon by binding in a uridine-dependent manner to specific sites on pyr mRNA. This disrupts an antiterminator hairpin in the RNA and favors formation of a downstream transcription terminator, leading to a reduced expression of downstream genes (Probable).
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