NusA

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  • Description: transcription termination factor

Gene name nusA
Synonyms
Essential yes PubMed
Product transcription termination factor
Function transcription
MW, pI 41 kDa, 4.583
Gene length, protein length 1113 bp, 371 aa
Immediate neighbours ylxS, ylxR
Get the DNA and protein sequences
(Barbe et al., 2009)
Genetic context
NusA context.gif
This image was kindly provided by SubtiList



The gene

Basic information

  • Locus tag: BSU16600

Phenotypes of a mutant

essential PubMed

Database entries

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

Additional information

The protein

Basic information/ Evolution

  • Catalyzed reaction/ biological activity:
  • Protein family: nusA family (according to Swiss-Prot)
  • 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

  • Regulation:
    • RelA dependent downregulation (Class I) during stringent response PubMed
  • Regulatory mechanism:
  • 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

Xiao Yang, Seeseei Molimau, Geoff P Doherty, Elecia B Johnston, Jon Marles-Wright, Rosalba Rothnagel, Ben Hankamer, Richard J Lewis, Peter J Lewis
The structure of bacterial RNA polymerase in complex with the essential transcription elongation factor NusA.
EMBO Rep: 2009, 10(9);997-1002
[PubMed:19680289] [WorldCat.org] [DOI] (I p)

Karen M Davies, Amy J Dedman, Stephanie van Horck, Peter J Lewis
The NusA:RNA polymerase ratio is increased at sites of rRNA synthesis in Bacillus subtilis.
Mol Microbiol: 2005, 57(2);366-79
[PubMed:15978071] [WorldCat.org] [DOI] (P p)

Alexander V Yakhnin, Paul Babitzke
NusA-stimulated RNA polymerase pausing and termination participates in the Bacillus subtilis trp operon attenuation mechanism invitro.
Proc Natl Acad Sci U S A: 2002, 99(17);11067-72
[PubMed:12161562] [WorldCat.org] [DOI] (P p)

Christine Eymann, Georg Homuth, Christian Scharf, Michael Hecker
Bacillus subtilis functional genomics: global characterization of the stringent response by proteome and transcriptome analysis.
J Bacteriol: 2002, 184(9);2500-20
[PubMed:11948165] [WorldCat.org] [DOI] (P p)

C J Ingham, J Dennis, P A Furneaux
Autogenous regulation of transcription termination factor Rho and the requirement for Nus factors in Bacillus subtilis.
Mol Microbiol: 1999, 31(2);651-63
[PubMed:10027981] [WorldCat.org] [DOI] (P p)

K Shazand, J Tucker, M Grunberg-Manago, J C Rabinowitz, T Leighton
Similar organization of the nusA-infB operon in Bacillus subtilis and Escherichia coli.
J Bacteriol: 1993, 175(10);2880-7
[PubMed:8491709] [WorldCat.org] [DOI] (P p)