Difference between revisions of "PyrE"

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|style="background:#ABCDEF;" align="center"|'''Function''' || pyrimidine biosynthesis
 
|style="background:#ABCDEF;" align="center"|'''Function''' || pyrimidine biosynthesis
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|colspan="2" style="background:#FAF8CC;" align="center"| '''Gene expression levels in [http://cellpublisher.gobics.de/subtiexpress/ ''Subti''Express]''': [http://cellpublisher.gobics.de/subtiexpress/bsu/BSU15560 pyrE]
 
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|colspan="2" style="background:#FAF8CC;" align="center"| '''Metabolic function and regulation of this protein in [[SubtiPathways|''Subti''Pathways]]: <br/>[http://subtiwiki.uni-goettingen.de/pathways/pyrimidines_metabolism.html Pyrimidines], [http://subtiwiki.uni-goettingen.de/pathways/gene_regulation_nucleotides.html Nucleotides (regulation)]'''
 
|colspan="2" style="background:#FAF8CC;" align="center"| '''Metabolic function and regulation of this protein in [[SubtiPathways|''Subti''Pathways]]: <br/>[http://subtiwiki.uni-goettingen.de/pathways/pyrimidines_metabolism.html Pyrimidines], [http://subtiwiki.uni-goettingen.de/pathways/gene_regulation_nucleotides.html Nucleotides (regulation)]'''

Revision as of 09:31, 7 August 2012

  • Description: orotate phosphoribosyltransferase

Gene name pyrE
Synonyms pyrX
Essential no
Product orotate phosphoribosyltransferase
Function pyrimidine biosynthesis
Gene expression levels in SubtiExpress: pyrE
Metabolic function and regulation of this protein in SubtiPathways:
Pyrimidines, Nucleotides (regulation)
MW, pI 23 kDa, 5.631
Gene length, protein length 648 bp, 216 aa
Immediate neighbours pyrF, cysH
Get the DNA and protein sequences
(Barbe et al., 2009)
Genetic context
PyrE context.gif
This image was kindly provided by SubtiList
Expression at a glance   PubMed
PyrE expression.png




























Categories containing this gene/protein

biosynthesis/ acquisition of nucleotides

This gene is a member of the following regulons

PyrR regulon

The gene

Basic information

  • Locus tag: BSU15560

Phenotypes of a mutant

Database entries

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

Additional information

The protein

Basic information/ Evolution

  • Catalyzed reaction/ biological activity: Orotidine 5'-phosphate + diphosphate = orotate + 5-phospho-alpha-D-ribose 1-diphosphate (according to Swiss-Prot)
  • Protein family: PyrE subfamily (according to Swiss-Prot)
  • Paralogous protein(s):

Extended information on the protein

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

Database entries

  • Structure: 3DEZ (from Streptococcus mutans, 59% identity, 74% similarity)
  • 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

R J Turner, Y Lu, R L Switzer
Regulation of the Bacillus subtilis pyrimidine biosynthetic (pyr) gene cluster by an autogenous transcriptional attenuation mechanism.
J Bacteriol: 1994, 176(12);3708-22
[PubMed:8206849] [WorldCat.org] [DOI] (P p)

C L Quinn, B T Stephenson, R L Switzer
Functional organization and nucleotide sequence of the Bacillus subtilis pyrimidine biosynthetic operon.
J Biol Chem: 1991, 266(14);9113-27
[PubMed:1709162] [WorldCat.org] (P p)