CheW

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  • Description: modulation of CheA activity in response to attractants, scaffold protein: facilitates coupling between CheA and receptors

Gene name cheW
Synonyms
Essential no
Product CheA modulator
Function control of CheA activity
Gene expression levels in SubtiExpress: cheW
MW, pI 17 kDa, 4.422
Gene length, protein length 468 bp, 156 aa
Immediate neighbours cheA, cheC
Sequences Protein DNA DNA_with_flanks
Genetic context
CheW context.gif
This image was kindly provided by SubtiList
Expression at a glance   PubMed
CheW expression.png















Categories containing this gene/protein

motility and chemotaxis

This gene is a member of the following regulons

CodY regulon, DegU regulon, SigD regulon, Spo0A regulon

The gene

Basic information

  • Locus tag: BSU16440

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): CheV (N-terminal domain)

Extended information on the protein

  • Kinetic information:
  • Domains:
  • Modification:
  • Cofactor(s):
  • Effectors of protein activity:
  • Localization:
    • cytoplasm (according to Swiss-Prot)
    • predominantly present at the cell poles PubMed

Database entries

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

Additional information

  • subject to Clp-dependent proteolysis upon glucose starvation PubMed

Expression and regulation

  • Additional information:
    • subject to Clp-dependent proteolysis upon glucose starvation PubMed
    • in minimal medium, CheW is present with 2,100 +/- 430 molecules per cell PubMed
    • number of protein molecules per cell (minimal medium with glucose and ammonium): 840 PubMed
    • number of protein molecules per cell (complex medium with amino acids, without glucose): 1423 PubMed
    • number of protein molecules per cell (minimal medium with glucose and ammonium, exponential phase): 1996 PubMed
    • number of protein molecules per cell (minimal medium with glucose and ammonium, early stationary phase after glucose exhaustion): 1296 PubMed
    • number of protein molecules per cell (minimal medium with glucose and ammonium, late stationary phase after glucose exhaustion): 699 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

Original publications