CheY

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  • Description: two-component response regulator, modulation of flagellar switch bias

Gene name cheY
Synonyms cheB
Essential no
Product two-component response regulator
Function modulation of flagellar switch bias
Interactions involving this protein in SubtInteract: CheY
MW, pI 13 kDa, 4.746
Gene length, protein length 360 bp, 120 aa
Immediate neighbours fliY, fliZ
Get the DNA and protein sequences
(Barbe et al., 2009)
Genetic context
CheY context.gif
This image was kindly provided by SubtiList



Categories containing this gene/protein

transcription factors and their control, motility and chemotaxis, phosphoproteins

This gene is a member of the following regulons

CodY regulon, SigD regulon, Spo0A regulon

The gene

Basic information

  • Locus tag: BSU16330

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):

Extended information on the protein

  • Kinetic information:
  • Domains:
  • Modification: phosphorylated by CheA on an Asp residue
  • Cofactor(s):
  • Effectors of protein activity:
  • Localization: cytoplasm (according to Swiss-Prot)

Database entries

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

Additional information

Expression and regulation

  • Regulation:
    • repressed under conditions that trigger sporulation (Spo0A) PubMed
  • Regulatory mechanism:
  • Additional information:
    • in minimal medium, CheY is present with 7,100 +/- 1,000 molecules per cell PubMed

Biological materials

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

Labs working on this gene/protein

Your additional remarks

References

Reviews

Gerald L Hazelbauer, Wing-Cheung Lai
Bacterial chemoreceptors: providing enhanced features to two-component signaling.
Curr Opin Microbiol: 2010, 13(2);124-32
[PubMed:20122866] [WorldCat.org] [DOI] (I p)

Christopher V Rao, George W Ordal
The molecular basis of excitation and adaptation during chemotactic sensory transduction in bacteria.
Contrib Microbiol: 2009, 16;33-64
[PubMed:19494578] [WorldCat.org] [DOI] (P p)

Christopher V Rao, John R Kirby, Adam P Arkin
Phosphatase localization in bacterial chemotaxis: divergent mechanisms, convergent principles.
Phys Biol: 2005, 2(3);148-58
[PubMed:16224120] [WorldCat.org] [DOI] (I e)

C Fabret, V A Feher, J A Hoch
Two-component signal transduction in Bacillus subtilis: how one organism sees its world.
J Bacteriol: 1999, 181(7);1975-83
[PubMed:10094672] [WorldCat.org] [DOI] (P p)


Original Publications