PyrG

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• Description: CTP synthase (NH3, glutamine) <br/><br/>

Gene name	pyrG
Synonyms	ctrA
Essential	yes PubMed
Product	CTP synthase (NH3, glutamine)
Function	pyrimidine biosynthesis
Metabolic function and regulation of this protein in SubtiPathways: <br/>Pyrimidines, Nucleotides (regulation)
MW, pI	59 kDa, 5.16
Gene length, protein length	1605 bp, 535 aa
Immediate neighbours	ywjG, rpoE
Get the DNA and protein sequences <br/> (Barbe et al., 2009)
Genetic context <br/> <div align="right"> <small>This image was kindly provided by SubtiList</small></div>

<br/><br/><br/><br/><br/><br/>

The gene

Basic information

• Locus tag: BSU37150

Phenotypes of a mutant

essential PubMed

Database entries

• DBTBS entry: [1]

• SubtiList entry: [2]

The protein

Basic information/ Evolution

• Catalyzed reaction/ biological activity: ATP + UTP + NH₃ = ADP + phosphate + CTP (according to Swiss-Prot)

• Protein family: CTP synthase family (according to Swiss-Prot)

• Paralogous protein(s):

Extended information on the protein

• Kinetic information:

• Domains:

• Modification:

• Cofactor(s):

• Effectors of protein activity:

• Interactions:

• Localization:

Database entries

• Structure: 1VCM (from Thermus thermophilus, 52% identity, 70% similarity) PubMed

• UniProt: P13242

• KEGG entry: [3]

• E.C. number: 6.3.4.2

Expression and regulation

• Operon: pyrG PubMed

• Sigma factor: SigA PubMed

• Regulation:
  • repressed by cytidine nucleotides (RNA switch) PubMed

• Regulatory mechanism:
  • RNA switch: transcription (termination in the presence of cytidine nucleotides) PubMed

• Additional information:

Biological materials

• Mutant:

• Expression vector:

• lacZ fusion:

• GFP fusion:

• two-hybrid system:

• Antibody:

References

<pubmed>8206849,17302819,15252202,11544212,1709162,12426364,17158658,2457578 </pubmed>