Difference between revisions of "IlvB"

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(References)
(Expression and regulation)
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* '''Sigma factor:''' [[SigA]]
 
* '''Sigma factor:''' [[SigA]]
  
* '''Regulation:''' expressed in the absence of branched-chain amino acids (BCAA), expression is stimulated in the presence of glucose [http://www.ncbi.nlm.nih.gov/sites/entrez/12193635 PubMed]
+
* '''Regulation:''' expressed in the absence of branched-chain amino acids (BCAA), expression is stimulated in the presence of glucose (CcpA) [http://www.ncbi.nlm.ntnrih.gov/sites/entrez/12193635 PubMed], during growth repressed under nitrogen limiting conditions ([[TnrA]]) [http://www.ncbi.nlm.nih.gov/sites/entrez/15547269 PubMed]
  
* '''Regulatory mechanism:''' glucose regulation: [[CcpA]] [http://www.ncbi.nlm.nih.gov/sites/entrez/12193635 PubMed], repression by BCAA: tRNA-controlled RNA switch (T-box) that mediates termination/antitermination, transcription repression by [[CodY]]  
+
* '''Regulatory mechanism:''' glucose regulation: [[CcpA]] [http://www.ncbi.nlm.nih.gov/sites/entrez/12193635 PubMed], [[TnrA]]: transcription repession [http://www.ncbi.nlm.nih.gov/sites/entrez/15547269 PubMed], repression by BCAA: tRNA-controlled RNA switch (T-box) that mediates termination/antitermination, transcription repression by [[CodY]]  
  
 
* '''Additional information:'''
 
* '''Additional information:'''

Revision as of 18:09, 7 February 2009

  • Description: write here

Gene name ilvB
Synonyms
Essential
Product acetolactate synthase (acetohydroxy-acid synthase) (large subunit) (EC 4.1.3.18)
Function
MW, pI 62 kDa, 5.178
Gene length, protein length 1722 bp, 574 aa
Immediate neighbours
Gene sequence (+200bp) Protein sequence
Genetic context
IlvB context.gif



The gene

Basic information

  • Coordinates:

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:

Database entries

  • Structure:
  • Swiss prot entry:
  • KEGG entry:
  • E.C. number:

Additional information

Expression and regulation

  • Regulation: expressed in the absence of branched-chain amino acids (BCAA), expression is stimulated in the presence of glucose (CcpA) PubMed, during growth repressed under nitrogen limiting conditions (TnrA) PubMed
  • Regulatory mechanism: glucose regulation: CcpA PubMed, TnrA: transcription repession PubMed, repression by BCAA: tRNA-controlled RNA switch (T-box) that mediates termination/antitermination, transcription repression by CodY
  • 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

  1. Ludwig, H., Meinken, C., Matin, A. & Stülke, J. (2002) Insufficient expression of the ilv-leu operon encoding enzymes of branched-chain amino acids biosynthesis limits growth of a Bacillus subtilis ccpA mutant. J. Bacteriol. 184: 5174-5178. PubMed
  2. Tojo S, Satomura T, Morisaki K, Yoshida KI, Hirooka K, Fujita Y: Negative transcriptional regulation of the ilv-leu operon for biosynthesis of branched-chain amino acids through the Bacillus subtilis global regulator TnrA. J Bacteriol 2004, 186:7971-7979. PubMed
  3. Author1, Author2 & Author3 (year) Title Journal volume: page-page. PubMed