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cheA [Mon Aug 31 2015 13:54:20 GMT+0200 (CEST)]
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cheA [Mon Aug 31 2015 13:54:20 GMT+0200 (CEST)]

two-component sensor kinase, chemotactic signal modulator
locus
BSU16430
pI
4.45
mw
74.00 kDa
function
chemotactic signal modulator
product
two-component sensor kinase
essential
no
synonyms
cheN

Genomic Context

      

categories

  • [category|SW 3|Information processing] → [category|SW 3.3|Protein synthesis, modification and degradation] → [category|SW 3.3.4|Protein modification] → [category|SW 3.3.4.2|Protein kinases]
  • [category|SW 3|Information processing] → [category|SW 3.4|Regulation of gene expression] → [category|SW 3.4.2|Transcription factors and their control] → [category|SW 3.4.2.2|Control of two-component response regulators] → [category|SW 3.4.2.2.1|Two-component sensor kinase]
  • [category|SW 4|Lifestyles] → [category|SW 4.1|Exponential and early post-exponential lifestyles] → [category|SW 4.1.1|Motility and chemotaxis] → [category|SW 4.1.1.1|Signal transduction in motility and chemotaxis] → [category|SW 4.1.1.1.1|Soluble signalling proteins]
  • [category|SW 4|Lifestyles] → [category|SW 4.1|Exponential and early post-exponential lifestyles] → [category|SW 4.1.2|Biofilm formation] → [category|SW 4.1.2.6|Other proteins required for efficient pellicle biofilm formation]
  • [category|SW 4|Lifestyles] → [category|SW 4.1|Exponential and early post-exponential lifestyles] → [category|SW 4.1.4|Swarming]
  • [category|SW 6|Groups of genes] → [category|SW 6.2|Membrane proteins]
  • [category|SW 6|Groups of genes] → [category|SW 6.4|Phosphoproteins] → [category|SW 6.4.4|Phosphorylation on a His residue]
  • syns
    cheN

    [SW|Categories] containing this gene/protein

  • [SW|protein modification], [SW|transcription factors and their control], [SW|motility and chemotaxis], [SW|membrane proteins], [SW|phosphoproteins]
  • This gene is a member of the following [SW|regulons]

  • [SW|CodY regulon], [SW|DegU regulon], [SW|SigD regulon], [SW|Spo0A regulon]
  • Gene

    Phenotypes of a mutant

  • not essential for pellicle biofilm formation, but mutant is outcompeted by the wild-type strain when competed during pellicle formation [Pubmed|26122431]
  • The protein

    Catalyzed reaction/ biological activity

  • autophosphorylation, phosphorylation of [protein|search|CheY] and [protein|search|CheB] [Pubmed|11553614]
  • Modification

  • autophosphorylation on a His residue
  • Effectors of protein activity

  • phosphorylation of [protein|search|CheA] is stimulated by interaction with the complex of deaminated [protein|search|McpC]-[protein|search|CheD] [Pubmed|22931217]
  • the kinase activity of [protein|search|CheA] is activated by chemoreceptors bound to [protein|search|CheD] [Pubmed|23226535]
  • [SW|Localization]

  • membrane (according to Swiss-Prot)
  • localizes to the cell poles [Pubmed|21098025]
  • [SW|Interactions]

  • [protein|search|CheA]-[protein|search|McpB] [Pubmed|19864420]
  • [protein|search|CheA]-[protein|search|CheC] [Pubmed|11722727]
  • [protein|search|CheA]-[protein|search|CheY] [Pubmed|11553614]
  • [protein|search|CheA]-[protein|search|CheW] [Pubmed|25039821]
  • Expression and Regulation

    Operon

  • part of the [[fla-che operon]]
  • ''[protein|search|flgB]-[protein|search|flgC]-[protein|search|fliE]-[protein|search|fliF]-[protein|search|fliG]-[protein|search|fliH]-[protein|search|fliI]-[protein|search|fliJ]-[protein|search|ylxF]-[protein|search|fliK]-[protein|search|flgD]-[protein|search|flgE]-[protein|search|fliL]-[protein|search|fliM]-[protein|search|fliY]-[protein|search|cheY]-[protein|search|fliZ]-[protein|search|fliP]-[protein|search|fliQ]-[protein|search|fliR]-[protein|search|flhB]-[protein|search|flhA]-[protein|search|flhF]-[protein|search|flhG]-[protein|search|cheB]-[protein|search|cheA]-[protein|search|cheW]-[protein|search|cheC]-[protein|search|cheD]-[protein|search|sigD]-[protein|search|swrB]'' [Pubmed|9657996,8157612,15175317]
  • ''[protein|search|ylxF]-[protein|search|fliK]-[protein|search|flgD]-[protein|search|flgE]-[protein|search|fliL]-[protein|search|fliM]-[protein|search|fliY]-[protein|search|cheY]-[protein|search|fliZ]-[protein|search|fliP]-[protein|search|fliQ]-[protein|search|fliR]-[protein|search|flhB]-[protein|search|flhA]-[protein|search|flhF]-[protein|search|flhG]-[protein|search|cheB]-[protein|search|cheA]-[protein|search|cheW]-[protein|search|cheC]-[protein|search|cheD]-[protein|search|sigD]-[protein|search|swrB]'' [Pubmed|20233303]
  • [SW|Sigma factor]

  • ''[protein|search|flgB]'': [protein|search|SigA] [Pubmed|9657996], [protein|search|SigD] [Pubmed|9657996]
  • ''[protein|search|ylxF]'': [protein|search|SigD] [Pubmed|20233303]
  • Regulation

  • see [[fla-che operon]]
  • Regulatory mechanism

  • see [[fla-che operon]]
  • Biological materials

    Mutant

  • 1A797 ( ''cheA''::''cat''), [Pubmed|1938941], available at [http://pasture.asc.ohio-state.edu/BGSC/getdetail.cfm?bgscid=1A797&Search=1A797 BGSC]
  • DS6887 (marker-less in NCIB3610) [Pubmed|25313396]
  • Labs working on this gene/protein

  • [SW|Daniel Kearns]
  • References

    Reviews

  • 20122866
  • Original publications

  • 26122431,25313396,1938941,12123464,17908686,8866475,12094812,10094672,11722727,14651647,9657996,8157612,15175317,9721285,17850253,11553614,21098025,22931217,21515776,23226535,24386445,25039821