Difference between revisions of "Btr"

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* '''Description:''' transcription activator (AraC family DNA-binding domain fused to [[FeuA]]-like substrate-binding domain), regulation of the ''[[feuA]]-[[feuB]]-[[feuC]]-[[ybbA]]'' operon <br/><br/>
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* '''Description:''' transcriptional activator ([[transcription factors of the AraC family|AraC family]]), (AraC family DNA-binding domain fused to [[FeuA]]-like substrate-binding domain), regulation of the ''[[feuA]]-[[feuB]]-[[feuC]]-[[ybbA]]'' operon <br/><br/>
  
 
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= [[Categories]] containing this gene/protein =
 
= [[Categories]] containing this gene/protein =
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=== Additional information===
 
=== Additional information===
 
 
 
  
 
=The protein=
 
=The protein=
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** binding of a direct repeat in the ''[[feuA]]'' promoter region and transcription activation of the ''[[feuA]]-[[feuB]]-[[feuC]]-[[ybbA]]'' operon in the presence of bacillibactin or enterobactin {{PubMed|17725565,22210890}}
 
** binding of a direct repeat in the ''[[feuA]]'' promoter region and transcription activation of the ''[[feuA]]-[[feuB]]-[[feuC]]-[[ybbA]]'' operon in the presence of bacillibactin or enterobactin {{PubMed|17725565,22210890}}
  
* '''Protein family:'''
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* '''Protein family:'''[[transcription factors of the AraC family|AraC family]]
  
 
* '''Paralogous protein(s):'''
 
* '''Paralogous protein(s):'''
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=References=
 
=References=
  
<pubmed>12884008,17725565, 22210890,12354229, 23199363</pubmed>
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<pubmed>12884008,17725565, 22210890,12354229, 23199363 23504016 </pubmed>
  
 
[[Category:Protein-coding genes]]
 
[[Category:Protein-coding genes]]

Revision as of 16:32, 7 June 2014

  • Description: transcriptional activator (AraC family), (AraC family DNA-binding domain fused to FeuA-like substrate-binding domain), regulation of the feuA-feuB-feuC-ybbA operon

Gene name btr
Synonyms ybbB, yzbC
Essential no
Product transcription activator (AraC family)
Function regulation of iron acquisition
Gene expression levels in SubtiExpress: btr
Metabolic function and regulation of this protein in SubtiPathways:
btr
MW, pI 60 kDa, 6.433
Gene length, protein length 1587 bp, 529 aa
Immediate neighbours feuA, ybbC
Sequences Protein DNA DNA_with_flanks
Genetic context
YbbB context.gif
This image was kindly provided by SubtiList
Expression at a glance   PubMed
Btr expression.png















Categories containing this gene/protein

acquisition of iron, iron metabolism, transcription factors and their control

This gene is a member of the following regulons

Fur regulon

The Btr regulon:

The gene

Basic information

  • Locus tag: BSU01640

Phenotypes of a mutant

Database entries

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

Additional information

The protein

Basic information/ Evolution

  • Catalyzed reaction/ biological activity:
    • binding of a direct repeat in the feuA promoter region and transcription activation of the feuA-feuB-feuC-ybbA operon in the presence of bacillibactin or enterobactin PubMed
  • Paralogous protein(s):

Extended information on the protein

  • Kinetic information:
  • Domains:
  • Modification:
  • Cofactor(s): enterobactin, bacillibactin (co-activators) PubMed
  • Effectors of protein activity: enterobactin, bacillibactin (co-activators) PubMed

Database entries

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

Additional information

Expression and regulation

  • Sigma factor:
  • Regulation:
    • expressed under conditions of iron starvation (Fur) PubMed
  • Regulatory mechanism:
  • Additional information:
    • the mRNA is very stable (half-life > 15 min) PubMed

Biological materials

  • Mutant:
  • Expression vector:
  • lacZ fusion:
  • GFP fusion:
  • two-hybrid system:
  • Antibody:

Labs working on this gene/protein

Your additional remarks

References