Difference between revisions of "PyrC"

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Revision as of 09:12, 19 April 2012

  • Description: dihydroorotase

Gene name pyrC
Synonyms
Essential no
Product dihydroorotase
Function pyrimidine biosynthesis
Metabolic function and regulation of this protein in SubtiPathways:
Pyrimidines, Nucleotides (regulation)
MW, pI 46 kDa, 5.427
Gene length, protein length 1284 bp, 428 aa
Immediate neighbours pyrB, pyrAA
Get the DNA and protein sequences
(Barbe et al., 2009)
Genetic context
PyrC context.gif
This image was kindly provided by SubtiList
Expression at a glance   PubMed
PyrC 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: BSU15500

Phenotypes of a mutant

Database entries

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

Additional information

The protein

Basic information/ Evolution

  • Catalyzed reaction/ biological activity: (S)-dihydroorotate + H2O = N-carbamoyl-L-aspartate (according to Swiss-Prot)
  • Protein family: Type 2 subfamily (according to Swiss-Prot)
  • Paralogous protein(s): PucH

Extended information on the protein

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

Database entries

  • Structure: 3GRI (from Staphylococcus aureus subsp. aureus mw2, 60% identity, 72% 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)