Difference between revisions of "AbbA"

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* '''Description:''' inhibitor of AbrB activity<br/><br/>
+
* '''Description:''' inhibitor of [[AbrB]] activity<br/><br/>
  
 
{| align="right" border="1" cellpadding="2"  
 
{| align="right" border="1" cellpadding="2"  
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|style="background:#ABCDEF;" align="center"| '''Product''' || anti-repressor
 
|style="background:#ABCDEF;" align="center"| '''Product''' || anti-repressor
 
|-
 
|-
|style="background:#ABCDEF;" align="center"|'''Function''' || inhibition of AbrB
+
|style="background:#ABCDEF;" align="center"|'''Function''' || inhibition of [[AbrB]]
 
|-
 
|-
 
|style="background:#ABCDEF;" align="center"| '''MW, pI''' || 7 kDa, 4.642   
 
|style="background:#ABCDEF;" align="center"| '''MW, pI''' || 7 kDa, 4.642   
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* '''Effectors of protein activity:'''
 
* '''Effectors of protein activity:'''
  
* '''Interactions:''' [[AbbA]]-[[AbrB]],  AbbA-[[AbrB]] [http://www.ncbi.nlm.nih.gov/sites/entrez/18840696 PubMed]
+
* '''Interactions:''' [[AbbA]]-[[AbrB]] [http://www.ncbi.nlm.nih.gov/sites/entrez/18840696 PubMed]
  
 
* '''Localization:'''
 
* '''Localization:'''
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=Expression and regulation=
 
=Expression and regulation=
  
* '''Operon:'''  
+
* '''Operon:''' ''[[ykuJ]]-[[ykuK]]-[[abbA]]-[[ykuL]]-[[ccpC]]'' {{PubMed|16395550}}
  
 
* '''Sigma factor:'''  
 
* '''Sigma factor:'''  
  
* '''Regulation:''' repressed by glucose (4.3-fold) ([[CcpA]]) [http://www.ncbi.nlm.nih.gov/pubmed/12850135 PubMed],  subject to carbon catabolite repression (4-fold: [[CcpA]]) [http://www.ncbi.nlm.nih.gov/sites/entrez/12850135 PubMed], expressed at onset of stationary phase ([[Spo0A]]) [http://www.ncbi.nlm.nih.gov/sites/entrez/18840696 PubMed]
+
* '''Regulation:'''  
 +
** repressed by glucose (4.3-fold) ([[CcpA]]) [http://www.ncbi.nlm.nih.gov/pubmed/12850135 PubMed]
 +
** expressed at onset of stationary phase ([[Spo0A]]) [http://www.ncbi.nlm.nih.gov/sites/entrez/18840696 PubMed]
 
** expressed under conditions that trigger sporulation ([[Spo0A]]) [http://www.ncbi.nlm.nih.gov/sites/entrez/14651647 PubMed]
 
** expressed under conditions that trigger sporulation ([[Spo0A]]) [http://www.ncbi.nlm.nih.gov/sites/entrez/14651647 PubMed]
  
* '''Regulatory mechanism:''' [[CcpA]]: transcription repression,  [[CcpA]]: transcription repression [http://www.ncbi.nlm.nih.gov/sites/entrez/12850135 PubMed], [[Spo0A]]: transcription activation by Spo0A~P [http://www.ncbi.nlm.nih.gov/sites/entrez/18840696 PubMed]
+
* '''Regulatory mechanism:'''  
** [[Spo0A]]: transcription activation [http://www.ncbi.nlm.nih.gov/sites/entrez/14651647 PubMed]
+
** [[CcpA]]: transcription repression [http://www.ncbi.nlm.nih.gov/sites/entrez/12850135 PubMed]  
 +
** [[Spo0A]]: transcription activation by [[Spo0A]]~P [http://www.ncbi.nlm.nih.gov/sites/entrez/18840696 PubMed]
  
 
* '''Additional information:'''
 
* '''Additional information:'''
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=References=
 
=References=
  
<pubmed>,18840696,14651647,12850135 18840696 12850135, </pubmed>
+
<pubmed>,18840696,14651647,12850135 18840696 12850135,16395550 </pubmed>
  
 
[[Category:Protein-coding genes]]
 
[[Category:Protein-coding genes]]

Revision as of 20:33, 5 October 2009

  • Description: inhibitor of AbrB activity

Gene name abbA
Synonyms ykzF
Essential no
Product anti-repressor
Function inhibition of AbrB
MW, pI 7 kDa, 4.642
Gene length, protein length 195 bp, 65 aa
Immediate neighbours ykuK, ykuL
Get the DNA and protein sequences
(Barbe et al., 2009)
Genetic context
YkzF context.gif
This image was kindly provided by SubtiList



The gene

Basic information

  • Locus tag: BSU14120

Phenotypes of a mutant

Database entries

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

Additional information

The protein

Basic information/ Evolution

  • Catalyzed reaction/ biological activity: inhibition of AbrB activity PubMed
  • Protein family:
  • Paralogous protein(s):

Extended information on the protein

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

Database entries

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

Additional information

Expression and regulation

  • Sigma factor:
  • Regulation:
    • repressed by glucose (4.3-fold) (CcpA) PubMed
    • expressed at onset of stationary phase (Spo0A) PubMed
    • expressed under conditions that trigger sporulation (Spo0A) PubMed
  • Additional information:

Biological materials

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

Labs working on this gene/protein

Richard Losick, Harvard Univ., Cambridge, USA homepage

Your additional remarks

References

Allison V Banse, Arnaud Chastanet, Lilah Rahn-Lee, Errett C Hobbs, Richard Losick
Parallel pathways of repression and antirepression governing the transition to stationary phase in Bacillus subtilis.
Proc Natl Acad Sci U S A: 2008, 105(40);15547-52
[PubMed:18840696] [WorldCat.org] [DOI] (I p)

Hans-Matti Blencke, Irene Reif, Fabian M Commichau, Christian Detsch, Ingrid Wacker, Holger Ludwig, Jörg Stülke
Regulation of citB expression in Bacillus subtilis: integration of multiple metabolic signals in the citrate pool and by the general nitrogen regulatory system.
Arch Microbiol: 2006, 185(2);136-46
[PubMed:16395550] [WorldCat.org] [DOI] (P p)

Virginie Molle, Masaya Fujita, Shane T Jensen, Patrick Eichenberger, José E González-Pastor, Jun S Liu, Richard Losick
The Spo0A regulon of Bacillus subtilis.
Mol Microbiol: 2003, 50(5);1683-701
[PubMed:14651647] [WorldCat.org] [DOI] (P p)

Hans-Matti Blencke, Georg Homuth, Holger Ludwig, Ulrike Mäder, Michael Hecker, Jörg Stülke
Transcriptional profiling of gene expression in response to glucose in Bacillus subtilis: regulation of the central metabolic pathways.
Metab Eng: 2003, 5(2);133-49
[PubMed:12850135] [WorldCat.org] [DOI] (P p)