Difference between revisions of "PbuX"

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* '''Structure:'''
 
* '''Structure:'''
  
* '''Swiss prot entry:''' [http://www.uniprot.org/uniprot/P42086 P42086]
+
* '''UniProt:''' [http://www.uniprot.org/uniprot/P42086 P42086]
  
 
* '''KEGG entry:''' [http://www.genome.jp/dbget-bin/www_bget?bsu:BSU22060]
 
* '''KEGG entry:''' [http://www.genome.jp/dbget-bin/www_bget?bsu:BSU22060]

Revision as of 13:15, 20 July 2009

  • Description: xanthine transport in/out via proton symport

Gene name pbuX
Synonyms ypaQ
Essential no
Product xanthine permease
Function xanthine uptake
Metabolic function and regulation of this protein in SubtiPathways:
Purine salvage, Nucleotides (regulation)
MW, pI 46 kDa, 8.793
Gene length, protein length 1314 bp, 438 aa
Immediate neighbours bcsA, xpt
Get the DNA and protein sequences
(Barbe et al., 2009)
Genetic context
PbuX context.gif
This image was kindly provided by SubtiList







The gene

Basic information

  • Locus tag: BSU22060

Phenotypes of a mutant

Database entries

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

Additional information

The protein

Basic information/ Evolution

  • Catalyzed reaction/ biological activity:
  • Protein family:
  • Paralogous protein(s):

Extended information on the protein

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

Database entries

  • Structure:
  • KEGG entry: [3]
  • E.C. number:

Additional information

Expression and regulation

  • Regulation:
    • repressed in the presence of purine nucleotides (PurR) PubMed
    • repressed in the presence of adenine or adenosine (PurR) PubMed
    • induced in the absence of guanine (G-box) 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

Hannes Hahne, Susanne Wolff, Michael Hecker, Dörte Becher
From complementarity to comprehensiveness--targeting the membrane proteome of growing Bacillus subtilis by divergent approaches.
Proteomics: 2008, 8(19);4123-36
[PubMed:18763711] [WorldCat.org] [DOI] (I p)

Lars Engholm Johansen, Per Nygaard, Catharina Lassen, Yvonne Agersø, Hans H Saxild
Definition of a second Bacillus subtilis pur regulon comprising the pur and xpt-pbuX operons plus pbuG, nupG (yxjA), and pbuE (ydhL).
J Bacteriol: 2003, 185(17);5200-9
[PubMed:12923093] [WorldCat.org] [DOI] (P p)

H H Saxild, K Brunstedt, K I Nielsen, H Jarmer, P Nygaard
Definition of the Bacillus subtilis PurR operator using genetic and bioinformatic tools and expansion of the PurR regulon with glyA, guaC, pbuG, xpt-pbuX, yqhZ-folD, and pbuO.
J Bacteriol: 2001, 183(21);6175-83
[PubMed:11591660] [WorldCat.org] [DOI] (P p)

L C Christiansen, S Schou, P Nygaard, H H Saxild
Xanthine metabolism in Bacillus subtilis: characterization of the xpt-pbuX operon and evidence for purine- and nitrogen-controlled expression of genes involved in xanthine salvage and catabolism.
J Bacteriol: 1997, 179(8);2540-50
[PubMed:9098051] [WorldCat.org] [DOI] (P p)