Difference between revisions of "CheW"

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* '''Description:''' modulation of [[CheA]] activity in response to attractants <br/><br/>
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* '''Description:''' modulation of [[CheA]] activity in response to attractants, scaffold protein: facilitates coupling between [[CheA]] and receptors <br/><br/>
  
 
{| align="right" border="1" cellpadding="2"  
 
{| align="right" border="1" cellpadding="2"  
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===Phenotypes of a mutant ===
 
===Phenotypes of a mutant ===
 
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* ''[[cheV]] [[cheW]]'' double mutants exhibit complete loss of chemotaxis {{PubMed|21098025}}
 
=== Database entries ===
 
=== Database entries ===
  
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* '''Protein family:'''
 
* '''Protein family:'''
  
* '''Paralogous protein(s):'''
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* '''Paralogous protein(s):''' [[CheV]] (N-terminal domain)
  
 
=== Extended information on the protein ===
 
=== Extended information on the protein ===
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* '''Interactions:'''
 
* '''Interactions:'''
  
* '''Localization:''' cytoplasm (according to Swiss-Prot)
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* '''Localization:'''  
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** cytoplasm (according to Swiss-Prot)
 +
** predominantly present at the cell poles {{PubMed|21098025}}
  
 
=== Database entries ===
 
=== Database entries ===
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<pubmed> 20122866  </pubmed>
 
<pubmed> 20122866  </pubmed>
 
==Original publications==
 
==Original publications==
<pubmed>,8169224,1601874,14731274,1624415,14651647, 9657996,8157612,15175317 17850253</pubmed>
+
<pubmed>,8169224,1601874,14731274,1624415,14651647, 9657996,8157612,15175317 17850253 21098025</pubmed>
  
 
[[Category:Protein-coding genes]]
 
[[Category:Protein-coding genes]]

Revision as of 18:30, 1 December 2010

  • 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
MW, pI 17 kDa, 4.422
Gene length, protein length 468 bp, 156 aa
Immediate neighbours cheA, cheC
Get the DNA and protein sequences
(Barbe et al., 2009)
Genetic context
CheW context.gif
This image was kindly provided by SubtiList



The gene

Basic information

  • Locus tag: BSU16440

Phenotypes of a mutant

Database entries

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

Additional information

Categories containing this gene/protein

motility and chemotaxis

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:
  • Interactions:
  • 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

  • Regulation:
    • repressed under conditions that trigger sporulation (Spo0A) PubMed
  • Regulatory mechanism:
  • Additional information: subject to Clp-dependent proteolysis upon glucose starvation 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

Kang Wu, Hanna E Walukiewicz, George D Glekas, George W Ordal, Christopher V Rao
Attractant binding induces distinct structural changes to the polar and lateral signaling clusters in Bacillus subtilis chemotaxis.
J Biol Chem: 2011, 286(4);2587-95
[PubMed:21098025] [WorldCat.org] [DOI] (I p)

Kazuo Kobayashi
Gradual activation of the response regulator DegU controls serial expression of genes for flagellum formation and biofilm formation in Bacillus subtilis.
Mol Microbiol: 2007, 66(2);395-409
[PubMed:17850253] [WorldCat.org] [DOI] (P p)

H Werhane, P Lopez, M Mendel, M Zimmer, G W Ordal, L M Márquez-Magaña
The last gene of the fla/che operon in Bacillus subtilis, ylxL, is required for maximal sigmaD function.
J Bacteriol: 2004, 186(12);4025-9
[PubMed:15175317] [WorldCat.org] [DOI] (P p)

Michael W Bunn, George W Ordal
Receptor conformational changes enhance methylesterase activity during chemotaxis by Bacillus subtilis.
Mol Microbiol: 2004, 51(3);721-8
[PubMed:14731274] [WorldCat.org] [DOI] (P p)

Virginie Molle, Masaya Fujita, Shane T Jensen, Patrick Eichenberger, José E González-Pastor, Jun S Liu, Richard Losick
The Spo0A regulon of Bacillus subtilis.
Mol Microbiol: 2003, 50(5);1683-701
[PubMed:14651647] [WorldCat.org] [DOI] (P p)

W Estacio, S S Anna-Arriola, M Adedipe, L M Márquez-Magaña
Dual promoters are responsible for transcription initiation of the fla/che operon in Bacillus subtilis.
J Bacteriol: 1998, 180(14);3548-55
[PubMed:9657996] [WorldCat.org] [DOI] (P p)

M M Rosario, K L Fredrick, G W Ordal, J D Helmann
Chemotaxis in Bacillus subtilis requires either of two functionally redundant CheW homologs.
J Bacteriol: 1994, 176(9);2736-9
[PubMed:8169224] [WorldCat.org] [DOI] (P p)

L M Márquez-Magaña, M J Chamberlin
Characterization of the sigD transcription unit of Bacillus subtilis.
J Bacteriol: 1994, 176(8);2427-34
[PubMed:8157612] [WorldCat.org] [DOI] (P p)

D W Hanlon, P B Carpenter, G W Ordal
Influence of attractants and repellents on methyl group turnover on methyl-accepting chemotaxis proteins of Bacillus subtilis and role of CheW.
J Bacteriol: 1992, 174(13);4218-22
[PubMed:1624415] [WorldCat.org] [DOI] (P p)

D W Hanlon, L M Márquez-Magaña, P B Carpenter, M J Chamberlin, G W Ordal
Sequence and characterization of Bacillus subtilis CheW.
J Biol Chem: 1992, 267(17);12055-60
[PubMed:1601874] [WorldCat.org] (P p)