AbrB

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  • Description: transcriptional regulator of transition state genes

Gene name abrB
Synonyms cpsX, tolB
Essential no
Product transcriptional regulator
Function regulation of gene expression during the transition
from growth to stationary phase
Interactions involving this protein in SubtInteract: AbrB
Metabolic function and regulation of this protein in SubtiPathways:
Biofilm, His, Asp, Asn, Phosphorelay, Ammonium/ glutamate,
Central C-metabolism, Sugar catabolism, Alternative nitrogen sources, Protein secretion
MW, pI 10 kDa, 6.57
Gene length, protein length 282 bp, 94 aa
Immediate neighbours yabC, metS
Get the DNA and protein sequences
(Barbe et al., 2009)
Genetic context
AbrB context.gif
This image was kindly provided by SubtiList







Categories containing this gene/protein

transition state regulators

This gene is a member of the following regulons

AbrB regulon, Spo0A regulon

The AbrB regulon

The gene

Basic information

  • Locus tag: BSU00370

Phenotypes of a mutant

No swarming motility on B medium. PubMed

Database entries

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

Additional information

The protein

Basic information/ Evolution

  • Catalyzed reaction/ biological activity:
  • Protein family:
  • Paralogous protein(s): Abh, SpoVT (only N-terminal domain)

Extended information on the protein

  • Kinetic information:
  • Domains:
  • Modification: phosphorylated on Ser-86 PubMed
  • Cofactor(s):
  • Effectors of protein activity: interaction with AbbA results in inactivation of AbrB PubMed

Database entries

  • KEGG entry: [3]

Additional information

Expression and regulation

  • Regulation: expressed at the onset of stationary phase PubMed
    • repressed under conditions that trigger sporulation (Spo0A) PubMed
    • repressed during logrithmic growth (AbrB) PubMed
  • Additional information:

Biological materials

  • Mutant: TT731 (aphA3)
  • Expression vector:
  • lacZ fusion:
  • GFP fusion:
  • two-hybrid system: B. pertussis adenylate cyclase-based bacterial two hybrid system (BACTH), available in Stülke lab
  • Antibody:

Labs working on this gene/protein

Richard Losick, Harvard Univ., Cambridge, USA homepage

Mark Strauch, Baltimore, USA homepage

Your additional remarks

References

Reviews

Additional publications: PubMed

The AbrB regulon: PubMed

Other original publications

Additional publications: PubMed