Difference between revisions of "PyrR"

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= [[Categories]] containing this gene/protein =
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{{SubtiWiki category|[[biosynthesis/ acquisition of nucleotides]]}},
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{{SubtiWiki category|[[transcription factors and their control]]}},
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{{SubtiWiki category|[[RNA binding regulators]]}}
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= This gene is a member of the following [[regulons]] =
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{{SubtiWiki regulon|[[PyrR regulon]]}}
  
 
=The gene=
 
=The gene=
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= Categories containing this gene/protein =
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{{SubtiWiki category|[[biosynthesis/ acquisition of nucleotides]]}},
 
{{SubtiWiki category|[[transcription factors and their control]]}},
 
{{SubtiWiki category|[[RNA binding regulators]]}}
 
 
=The protein=
 
=The protein=
  

Revision as of 19:27, 8 December 2010

  • Description: transcriptional antiterminator of the pyr operon

Gene name pyrR
Synonyms
Essential no
Product transcriptional antiterminator with minor uracil
phosphoribosyltransferase activity
Function regulation of pyrimidine biosynthesis
Metabolic function and regulation of this protein in SubtiPathways:
Pyrimidines, Nucleotides (regulation)
MW, pI 20 kDa, 4.991
Gene length, protein length 543 bp, 181 aa
Immediate neighbours ylyB, pyrP
Get the DNA and protein sequences
(Barbe et al., 2009)
Genetic context
PyrR context.gif
This image was kindly provided by SubtiList







Categories containing this gene/protein

biosynthesis/ acquisition of nucleotides, transcription factors and their control, RNA binding regulators

This gene is a member of the following regulons

PyrR regulon

The gene

Basic information

  • Locus tag: BSU15470

Phenotypes of a mutant

Database entries

  • DBTBS entry: [1]
  • SubtiList entry: [2]

Additional information

The protein

Basic information/ Evolution

  • 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)
  • Paralogous protein(s):

Extended information on the protein

  • Kinetic information:
  • Domains:
  • Modification:
  • Cofactor(s):
  • Effectors of protein activity:
  • Localization:

Database entries

  • Structure: 1A3C (dimeric form)
  • KEGG entry: [3]

Additional information

Expression and regulation

  • Regulation:
    • induced in the absence of uridine nucleotides (PyrR) PubMed
  • Regulatory mechanism:
    • PyrR: RNA switch, transcription termination/ antitermination (in the presence of uridine nucleotides: termination, in their absence: antitermination) PubMed
  • Additional information:

Biological materials

  • Mutant:
  • Expression vector:
  • lacZ fusion:
  • GFP fusion:
  • two-hybrid system:
  • Antibody:

Labs working on this gene/protein

Your additional remarks

References