Difference between revisions of "GuaD"

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|style="background:#ABCDEF;" align="center"|'''Function''' || deamination of guanine to xanthine, purine salvage and interconversion
 
|style="background:#ABCDEF;" align="center"|'''Function''' || deamination of guanine to xanthine, purine salvage and interconversion
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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/gene_regulation_nucleotides.html Nucleotides (regulation)]'''
 
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|style="background:#ABCDEF;" align="center"| '''MW, pI''' || 17 kDa, 4.999   
 
|style="background:#ABCDEF;" align="center"| '''MW, pI''' || 17 kDa, 4.999   

Revision as of 11:25, 18 June 2009

  • Description: guanine deaminase, general stress protein

Gene name guaD
Synonyms gde, yknA
Essential no
Product guanine deaminase
Function deamination of guanine to xanthine, purine salvage and interconversion
Metabolic function and regulation of this protein in SubtiPathways:
Nucleotides (regulation)
MW, pI 17 kDa, 4.999
Gene length, protein length 468 bp, 156 aa
Immediate neighbours ohrB, metE
Get the DNA and protein sequences
(Barbe et al., 2009)
Genetic context
GuaD context.gif
This image was kindly provided by SubtiList



The gene

Basic information

  • Locus tag: BSU13170

Phenotypes of a mutant

Database entries

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

Additional information

The protein

Basic information/ Evolution

  • Catalyzed reaction/ biological activity: Guanine + H2O = xanthine + NH3 (according to Swiss-Prot)
  • Protein family: cytidine and deoxycytidylate deaminase 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

  • KEGG entry: [3]

Additional information

Expression and regulation

  • Operon:
  • Regulation: induced by stress (SigB) PubMed
    • induced in the presence of purine nucleotides (inducer: allantoin) (PucR) PubMed
  • Regulatory mechanism:
    • [PucR]]: transcription activation 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

Dirk Höper, Uwe Völker, Michael Hecker
Comprehensive characterization of the contribution of individual SigB-dependent general stress genes to stress resistance of Bacillus subtilis.
J Bacteriol: 2005, 187(8);2810-26
[PubMed:15805528] [WorldCat.org] [DOI] (P p)

Lars Beier, Per Nygaard, Hanne Jarmer, Hans H Saxild
Transcription analysis of the Bacillus subtilis PucR regulon and identification of a cis-acting sequence required for PucR-regulated expression of genes involved in purine catabolism.
J Bacteriol: 2002, 184(12);3232-41
[PubMed:12029039] [WorldCat.org] [DOI] (P p)

Per Nygaard, Søren M Bested, Kasper A K Andersen, Hans H Saxild
Bacillus subtilis guanine deaminase is encoded by the yknA gene and is induced during growth with purines as the nitrogen source.
Microbiology (Reading): 2000, 146 Pt 12;3061-3069
[PubMed:11101664] [WorldCat.org] [DOI] (P p)