Difference between revisions of "NasB"

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(Expression and regulation)
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=Expression and regulation=
 
=Expression and regulation=
  
* '''Operon:'''  
+
* '''Operon:''' ''[[nasB]]-[[nasC]]-[[nasD]]-[[nasE]]-[[nasF]]'' {{PubMed|7836289}}
  
* '''[[Sigma factor]]:'''  
+
* '''[[Sigma factor]]:''' [[SigA]] {{PubMed|7836289}}
  
 
* '''Regulation:'''  
 
* '''Regulation:'''  
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** [[NsrR]]: transcription repression [http://www.ncbi.nlm.nih.gov/sites/entrez/16885456 PubMed]
 
** [[NsrR]]: transcription repression [http://www.ncbi.nlm.nih.gov/sites/entrez/16885456 PubMed]
  
* '''Additional information:'''  
+
* '''Additional information:'''
  
 
=Biological materials =
 
=Biological materials =

Revision as of 20:27, 5 August 2009

  • Description: nitrate reductase (electron transfer subunit)

Gene name nasB
Synonyms nasBA
Essential no
Product nitrate reductase (electron transfer subunit)
Function nitrate respiration
MW, pI 84 kDa, 5.483
Gene length, protein length 2310 bp, 770 aa
Immediate neighbours nasC, nasA
Get the DNA and protein sequences
(Barbe et al., 2009)
Genetic context
NasB context.gif
This image was kindly provided by SubtiList



The gene

Basic information

  • Locus tag: BSU03320

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): NasD

Extended information on the protein

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

Database entries

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

Additional information

Expression and regulation

  • Regulation:
    • expressed in the absence of good nitrogen sources (glutamine or ammonium) (TnrA) PubMed
    • repressed unless NO is present under anaerobic conditions (NsrR) 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