Difference between revisions of "MtnB"

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(Expression and regulation)
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=Expression and regulation=
 
=Expression and regulation=
  
* '''Operon:'''  
+
* '''Operon:''' ''[[mtnW]]-[[mtnX]]-[[mtnB]]-[[mtnD]]'' [http://www.ncbi.nlm.nih.gov/pubmed/12022921 PubMed]
  
* '''[[Sigma factor]]:'''  
+
* '''[[Sigma factor]]:''' [[SigA]] [http://www.ncbi.nlm.nih.gov/pubmed/12022921 PubMed]
  
* '''Regulation:''' repressed by casamino acids [http://www.ncbi.nlm.nih.gov/pubmed/12107147 PubMed]   
+
* '''Regulation:'''  
 +
**repressed by casamino acids [http://www.ncbi.nlm.nih.gov/pubmed/12107147 PubMed]   
 +
** induced by methionine starvation ([[S-box]]) [http://www.ncbi.nlm.nih.gov/sites/entrez/10094622 PubMed]
  
* '''Regulatory mechanism:'''  
+
* '''Regulatory mechanism:''' [[S-box]]: transcription termination/ antitermination, the [[S-box]] [[riboswitch]] binds S-adenosylmethionine resulting in termination [http://www.ncbi.nlm.nih.gov/sites/entrez/10094622 PubMed]
  
* '''Additional information:'''  
+
* '''Additional information:'''
  
 
=Biological materials =
 
=Biological materials =

Revision as of 11:27, 7 June 2009

  • Description: methylthioribulose-1-phosphate dehydratase

Gene name mtnB
Synonyms ykrY
Essential no
Product methylthioribulose-1-phosphate dehydratase
Function methionine salvage
MW, pI 23 kDa, 5.686
Gene length, protein length 627 bp, 209 aa
Immediate neighbours mtnX, mtnD
Get the DNA and protein sequences
(Barbe et al., 2009)
Genetic context
YkrY context.gif
This image was kindly provided by SubtiList



The gene

Basic information

  • Locus tag: BSU13610

Phenotypes of a mutant

Database entries

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

Additional information

The protein

Basic information/ Evolution

  • Catalyzed reaction/ biological activity: S-methyl-5-thio-D-ribulose 1-phosphate = 5-(methylthio)-2,3-dioxopentyl phosphate + H2O (according to Swiss-Prot)
  • Protein family: MtnB subfamily (according to Swiss-Prot)
  • Paralogous protein(s):

Extended information on the protein

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

Database entries

  • Structure:
  • KEGG entry: [3]

Additional information

Expression and regulation

  • Regulation:
  • Regulatory mechanism: S-box: transcription termination/ antitermination, the S-box riboswitch binds S-adenosylmethionine resulting in termination 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

  1. Mäder et al. (2002) Transcriptome and Proteome Analysis of Bacillus subtilis Gene Expression Modulated by Amino Acid Availability. J. Bacteriol 184: 1844288-4295 PubMed
  2. Author1, Author2 & Author3 (year) Title Journal volume: page-page. PubMed