LevR

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  • Description: transcriptional activator of the levD-levE-levF-levG-sacC operon

Gene name levR
Synonyms
Essential no
Product transcriptional activator, PRD-type (for SigL-dependent promoter)
Function regulation of levan and fructose utilization
MW, pI 105 kDa, 5.943
Gene length, protein length 2814 bp, 938 aa
Immediate neighbours levD, aapA
Gene sequence (+200bp) Protein sequence
Caution: The sequence for this gene in SubtiList contains errors
Genetic context
LevR context.gif
This image was kindly provided by SubtiList



The gene

Basic information

  • Coordinates:

Phenotypes of a mutant

Database entries

  • DBTBS entry: no entry
  • SubtiList entry: [1]

Additional information

The protein

Basic information/ Evolution

  • Catalyzed reaction/ biological activity: binding to the upstream activating sequence in front of the levD gene results in activation of transcription of the levD-levE-levF-levG-sacC operon, bining occurs in the presence of fructose
  • 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: [2]
  • E.C. number:

Additional information

Expression and regulation

  • Operon:
  • Sigma factor:
  • Regulation:
  • Regulatory mechanism:
  • 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. Débarbouillé M, Martin-Verstraete I, Klier A, Rapoport G (1991) The transcriptional regulator LevR of Bacillus subtilis has domains homologous to both (Sigma)54 - and phosphotransferase system-dependent regulators. Proc Natl Acad Sci USA 88:2212-2216. PubMed
  2. Stülke, J., Martin-Verstraete, I., Charrier, V., Klier, A., Deutscher, J. & Rapoport, G. (1995) The HPr protein of the phosphotransferase system links induction and catabolite repression of the Bacillus subtilis levanase operon. J. Bacteriol. 177: 6928-6936. PubMed
  3. Martin-Verstraete, I., Stülke, J., Klier, A. & Rapoport, G. (1995) Two different mechanisms mediate catabolite repression of the Bacillus subtilis levanase operon. J. Bacteriol. 177: 6919-6927. PubMed
  4. Martin-Verstraete, I., Charrier, V., Stülke, J., Galinier, A., Erni, B., Rapoport, G., & Deutscher, J. (1998) Antagonistic effects of dual PTS catalyzed phosphorylation on the Bacillus subtilis transcriptional activator LevR. Mol. Microbiol. 28: 293-303. PubMed
  5. Martin-Verstraete I, Débarbouillé M, Klier A, Rapoport G (1994) Interactions of wild type and truncated LevR of Bacillus subtilis with the upstream activating sequence of the levanase operon. J Mol Biol 241:178-192. PubMed
  6. Charrier V, Deutscher J, Martin-Verstraete I (1997b) Protein phosphorylation chain of a Bacillus subtilis fructose-specific phosphotransferase system and its participation in regulation of the expression of the lev operon. Biochemistry 36:1163-1172. PubMed
  7. Author1, Author2 & Author3 (year) Title Journal volume: page-page. PubMed