Difference between revisions of "TnrA"

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(Extended information on the protein)
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* '''Description:''' write here <br/><br/>
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* '''Description:''' transcriptional pleiotropic regulator invoved in global nitrogen regulation <br/><br/>
  
 
{| align="right" border="1" cellpadding="2"  
 
{| align="right" border="1" cellpadding="2"  
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|style="background:#ABCDEF;" align="center"| '''Essential''' || no  
 
|style="background:#ABCDEF;" align="center"| '''Essential''' || no  
 
|-
 
|-
|style="background:#ABCDEF;" align="center"| '''Product''' || transcriptional regulator
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|style="background:#ABCDEF;" align="center"| '''Product''' || transcription activator/ repressor
 
|-
 
|-
|style="background:#ABCDEF;" align="center"|'''Function''' || global nitrogen regulation
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|style="background:#ABCDEF;" align="center"|'''Function''' || regulation of nitrogen assimilation
  
 
(positive regulation of nrgAB, nasBCDEF, gabP, ureABC, guaD;  
 
(positive regulation of nrgAB, nasBCDEF, gabP, ureABC, guaD;  

Revision as of 09:00, 17 March 2009

  • Description: transcriptional pleiotropic regulator invoved in global nitrogen regulation

Gene name tnrA
Synonyms scgR
Essential no
Product transcription activator/ repressor
Function regulation of nitrogen assimilation

(positive regulation of nrgAB, nasBCDEF, gabP, ureABC, guaD;

negative regulation of glnRA, gltAB)

MW, pI 12 kDa, 10.235
Gene length, protein length 330 bp, 110 aa
Immediate neighbours mgtE, ykzB
Gene sequence (+200bp) Protein sequence
Genetic context
TnrA 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):

Genes/ operons controlled by TnrA

Extended information on the protein

  • Kinetic information:
  • Domains:
  • Modification:
  • Cofactor(s):
  • Effectors of protein activity: feedback-inhibited GlnA prevents TnrA from DNA binding
  • Localization:

Database entries

  • Structure:
  • Swiss prot entry:
  • KEGG entry:
  • 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:

Labs working on this gene/protein

Susan Fisher, Boston, USA homepage

Your additional remarks

References

  1. Wray LV Jr, Ferson AE, Rohrer K, Fisher SH (1996) TnrA, a transcription factor required for global nitrogen regulation in Bacillus subtilis. Proc Natl Acad Sci USA 93:8841-8845. PubMed
  2. Yoshida K, et al. (2003) Identification of additional TnrA-regulated genes of Bacillus subtilis associated with a TnrA box. Mol Microbiol 49: 157-65. PubMed
  3. Wray LV Jr, Zalieckas JM, Fisher SH. (2001) Bacillus subtilis glutamine synthetase controls gene expression through protein-protein interaction with transcription factor TnrA. Cell 107:427-435. PubMed
  4. Belitsky, B. R., and Sonenshein, A. L. (2004) Modulation of activity of Bacillus subtilis regulatory proteins GltC and TnrA by glutamate dehydrogenase. J Bacteriol 186: 3399-3407.PubMed
  5. Belitsky, B. R., Wray, L. V., Jr., Fisher, S. H., Bohannon, D. E. & Sonenshein, A. L. (2000). Role of TnrA in nitrogen source-dependent repression of Bacillus subtilis glutamate synthase gene expression. J Bacteriol 182, 5939-5947. PubMed
  6. Heinrich, A., Woyda, K., Brauburger, K., Meiss, G., Detsch, C., Stülke, J. & Forchhammer, K. (2006) Interaction of the membrane-bound GlnK-AmtB complex with the master regulator of nitrogen metabolism TnrA in Bacillus subtilis. J. Biol. Chem. 281: 34909-34917. PubMed
  7. 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
  8. Fisher, S. H., Brandenburg, J. L. & Wray, L. V. (2002). Mutations in Bacillus subtilis glutamine synthetase that block its interaction with transcription factor TnrA. Mol Microbiol 45, 627-635. PubMed
  9. Author1, Author2 & Author3 (year) Title Journal volume: page-page. PubMed