SubtiBank SubtiBank
pyrR

pyrR

transcriptional antiterminator of the pyr operon
locus
BSU15470
pI
4.99
mw
20.12 kDa
protein length
181 aa Sequence Blast
gene length
543 bp Sequence Blast
function
regulation of pyrimidine biosynthesis
product
transcriptional antiterminator with minor uracil phosphoribosyltransferase activity
essential
no
ec
2.4.2.9
synonyms

Genomic Context

      

categories

  • [category|SW 2|Metabolism] → [category|SW 2.5|Nucleotide metabolism] → [category|SW 2.5.2|Biosynthesis/ acquisition of nucleotides] → [category|SW 2.5.2.4|Biosynthesis/ acquisition of pyrimidine nucleotides]
  • [category|SW 3|Information processing] → [category|SW 3.4|Regulation of gene expression] → [category|SW 3.4.2|Transcription factors and their control] → [category|SW 3.4.2.5|Transcription factors/ other]
  • [category|SW 3|Information processing] → [category|SW 3.4|Regulation of gene expression] → [category|SW 3.4.4|RNA binding regulators]
  • Gene

    Coordinates
    1,618,304 → 1,618,849

    The protein

    Catalyzed reaction/ biological activity

  • UMP + diphosphate = uracil + 5-phospho-alpha-D-ribose 1-diphosphate (according to Swiss-Prot)
  • Protein family

  • PyrR subfamily (according to Swiss-Prot)
  • Structure

  • [PDB|1A3C] (dimeric form)
  • Expression and Regulation

    Operons

    genes
    [gene|6D9CEDC7737CCFA838EBC142CD735E066C950AD2|pyrR]-[gene|A5C26E10085868A0A193C450DF58D54C636B7C2D|pyrP]-[gene|B83462A50FDDD20FE9BD4681824E30AAD10F506B|pyrB]-[gene|CA16FD3507DCCADB1E01DF25B42C3405C9205B05|pyrC]-[gene|E7741ED6F15044900BDC5F0584246469D2D4D586|pyrAA]-[gene|D57DC8A53E52BC4A2EA894E3C9FD983592882918|pyrAB]-[gene|C20A05AE4CE8AEE0DA767334935CC64106A7FCCB|pyrK]-[gene|E533BEF28579CD04B24E2C728737269E35224450|pyrD]-[gene|5D0D0D2413377FCA92440334E92B5A27A5963D9E|pyrF]-[gene|0197A037D2AF049B295E1DA60187D4614B2BAC51|pyrE]
    description
    [Pubmed|8206849]

    sigma factors

  • [protein|360F48D576DE950DF79C1A2677B7A35A8D8CC30C|SigA]: sigma factor, [Pubmed|1709162], in [regulon|360F48D576DE950DF79C1A2677B7A35A8D8CC30C|SigA regulon]
  • regulatory mechanism

  • [protein|6D9CEDC7737CCFA838EBC142CD735E066C950AD2|PyrR]: [SW|RNA switch], in [regulon|6D9CEDC7737CCFA838EBC142CD735E066C950AD2|PyrR regulon]
  • [protein|6D9CEDC7737CCFA838EBC142CD735E066C950AD2|PyrR]: termination/ antitermination, via [SW|RNA switch], in [regulon|6D9CEDC7737CCFA838EBC142CD735E066C950AD2|PyrR regulon]
  • regulation

  • induced in the absence of uridine nucleotides ([protein|search|PyrR]) [Pubmed|8206849]
  • view in new tab

    References

    Reviews

  • 28031352
  • Original publications

  • 8935652,8206849,15716449,11726695,9488732,9551555,12896995,9932459,8955403,8824632,12482852,1709162,7798145,11948166,8759868,7868607,9488732,17322189