Difference between revisions of "SkfB"

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(Extended information on the protein)
(Expression and regulation)
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=Expression and regulation=
 
=Expression and regulation=
  
* '''Operon:''' ''[[skfA]]-[[skfB]]-[[skfC]]-[[skfE]]-[[skfF]]-[[skfG]]-[[skfH]]'' [http://www.ncbi.nlm.nih.gov/pubmed/16816204 PubMed]
+
* '''Operon:''' ''[[skfA]]-[[skfB]]-[[skfC]]-[[skfD]]-[[skfE]]-[[skfF]]-[[skfG]]-[[skfH]]'' [http://www.ncbi.nlm.nih.gov/pubmed/16816204 PubMed]
  
 
* '''[[Sigma factor]]:''' [[SigA]] [http://www.ncbi.nlm.nih.gov/pubmed/16452424 PubMed]
 
* '''[[Sigma factor]]:''' [[SigA]] [http://www.ncbi.nlm.nih.gov/pubmed/16452424 PubMed]
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** [[AbrB]]:  transcription repression [http://www.ncbi.nlm.nih.gov/sites/entrez/15687200,17720793 PubMed]
 
** [[AbrB]]:  transcription repression [http://www.ncbi.nlm.nih.gov/sites/entrez/15687200,17720793 PubMed]
  
* '''Additional information:''' Northern blotting during during phosphate limitation showed an intense 0.25 kb ''skfA''-specific transcript, and a weaker 6.5 kb ''[[skfA]]-[[skfB]]-[[skfC]]-[[skfE]]-[[skfF]]-[[skfG]]-[[skfH]]'' transcript. The ''[[skfA]]'' transcript is stabilized by a stem-loop structure in the ''[[skfA]]-[[skfB]]'' intergenic region. [http://www.ncbi.nlm.nih.gov/pubmed/16816204 PubMed]
+
* '''Additional information:''' Northern blotting during during phosphate limitation showed an intense 0.25 kb ''[[skfA]]''-specific transcript, and a weaker 6.5 kb ''[[skfA]]-[[skfB]]-[[skfC]]-[[skfD]]-[[skfE]]-[[skfF]]-[[skfG]]-[[skfH]]'' transcript. The ''[[skfA]]'' transcript is stabilized by a stem-loop structure in the ''[[skfA]]-[[skfB]]'' intergenic region. [http://www.ncbi.nlm.nih.gov/pubmed/16816204 PubMed]
  
 
=Biological materials =
 
=Biological materials =

Revision as of 06:27, 25 February 2010

  • Description: synthesis of spore killing factor

Gene name skfB
Synonyms ybcP, ybcQ
Essential no
Product unknown
Function synthesis of spore killing factor
MW, pI 45 kDa, 4.934
Gene length, protein length 1230 bp, 410 aa
Immediate neighbours skfA, skfC
Get the DNA and protein sequences
(Barbe et al., 2009)
Genetic context
YbcP context.gif
This image was kindly provided by SubtiList



The gene

Basic information

  • Locus tag: BSU01920

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: moaA/nifB/pqqE family (according to Swiss-Prot)
  • Paralogous protein(s):

Extended information on the protein

  • Kinetic information:
  • Domains:
  • Modification:
  • Cofactor(s): contains an iron-sulfur cluster
  • Effectors of protein activity:
  • Interactions:
  • Localization:

Database entries

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

Additional information

Expression and regulation

  • Regulation:
    • expressed under conditions that trigger sporulation (Spo0A) PubMed
    • repressed during logrithmic growth (AbrB) PubMed
  • Additional information: Northern blotting during during phosphate limitation showed an intense 0.25 kb skfA-specific transcript, and a weaker 6.5 kb skfA-skfB-skfC-skfD-skfE-skfF-skfG-skfH transcript. The skfA transcript is stabilized by a stem-loop structure in the skfA-skfB intergenic region. PubMed

Biological materials

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

Labs working on this gene/protein

Your additional remarks

References