Difference between revisions of "GudB"

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* '''Structure:'''
 
* '''Structure:'''
  
* '''Swiss prot entry:'''
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* '''Swiss prot entry:''' [http://www.uniprot.org/uniprot/P50735 P50735]
  
 
* '''KEGG entry:''' [http://www.genome.jp/dbget-bin/www_bget?bsu+BSU22960]
 
* '''KEGG entry:''' [http://www.genome.jp/dbget-bin/www_bget?bsu+BSU22960]

Revision as of 08:27, 5 May 2009

  • Description: trigger enzyme: glutamate dehydrogenase (cryptic in 168 and derivatives)

Gene name gudB
Synonyms ypcA
Essential no
Product glutamate dehydrogenase
Function glutamate utilization, control of GltC activity
MW, pI 47 kDa, 5.582
Gene length, protein length 1278 bp, 426 aa
Immediate neighbours ypdA, ypbH
Get the DNA and protein sequences
(Barbe et al., 2009)
Genetic context
GudB context.gif
This image was kindly provided by SubtiList



The gene

Basic information

  • Coordinates:

Phenotypes of a mutant

The gene is cryptic. If gudB is activated (gudB1 mutation), the bacteria are able to utilize glutamate as the only carbon source. PubMed

Database entries

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

Additional information

The protein

Basic information/ Evolution

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

Extended information on the protein

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

Database entries

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

Additional information

Expression and regulation

  • Regulation: constitutively expressed
  • Regulatory mechanism:
  • Additional information: GudB is subject to Clp-dependent proteolysis upon glucose starvation PubMed

Biological materials

  • Mutant: GP691 (cat), available in Stülke lab
  • Expression vector:
  • lacZ fusion: pGP651 (in pAC5), available in Stülke lab
  • GFP fusion:
  • two-hybrid system:
  • Antibody: antibody against RocG recognizes GudB, available in Stülke lab

Labs working on this gene/protein

Linc Sonenshein, Tufts University, Boston, MA, USA Homepage

Jörg Stülke, University of Göttingen, Germany Homepage

Your additional remarks

References

  1. Belitsky BR, Sonenshein AL (1998) Role and regulation of Bacillus subtilis glutamate dehydrogenase genes. J Bacteriol 180:6298-6305 PubMed
  2. Commichau, F. M., Wacker, I., Schleider, J., Blencke, H.-M., Reif, I., Tripal, P., and Stülke, J. (2007) Characterization of Bacillus subtilis mutants with carbon source-independent glutamate biosynthesis. J Mol Microbiol Biotechnol 12: 106-113. PubMed
  3. Commichau, F. M., Gunka, K., Landmann, J. J. & Stülke, J. (2008) Glutamate metabolism in Bacillus subtilis: Gene expression and enzyme activities evolved to avoid futile cycles and to allow rapid responses to perturbations in the system. J. Bacteriol. 190: 3557-3564. PubMed
  4. Gerth et al. (2008) Clp-dependent proteolysis down-regulates central metabolic pathways in glucose-starved Bacillus subtilis. J Bacteriol 190:321-331 PubMed
  5. Author1, Author2 & Author3 (year) Title Journal volume: page-page. PubMed