CheY

• 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 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

Expression

Database entries

• DBTBS entry: [1]

• SubtiList entry: [2]

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:

• Interactions:
  • CheY-P-CheC, CheA-CheY

• Localization:
  • cytoplasm (according to Swiss-Prot)

Database entries

• Structure:

• UniProt: P24072

• KEGG entry: [3]

• E.C. number:

Expression and regulation

• Operon:
  • flgB-flgC-fliE-fliF-fliG-fliH-fliI-fliJ-ylxF-fliK-ylxG-flgE-fliL-fliM-fliY-cheY-fliZ-fliP-fliQ-fliR-flhB-flhA-flhF-ylxH-cheB-cheA-cheW-cheC-cheD-sigD-swrB PubMed
  • ylxF-fliK-ylxG-flgE-fliL-fliM-fliY-cheY-fliZ-fliP-fliQ-fliR-flhB-flhA-flhF-ylxH-cheB-cheA-cheW-cheC-cheD-sigD-swrB PubMed

• Sigma factor:
  • flgB: SigA PubMed, SigD PubMed
  • ylxF: SigD PubMed

• Regulation:
  • repressed under conditions that trigger sporulation (Spo0A) PubMed

• Regulatory mechanism:
  • Spo0A: transcription repression PubMed
  • CodY: transcription repression PubMed
  • DegU (non-phosphorylated): transcription activation PubMed

• 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:

References

Original Publications

Vincent J Cannistraro, George D Glekas, Christopher V Rao, George W Ordal
Cellular stoichiometry of the chemotaxis proteins in Bacillus subtilis.
J Bacteriol: 2011, 193(13);3220-7
[PubMed:21515776] [WorldCat.org] [DOI] (I p)

Y Pazy, M A Motaleb, M T Guarnieri, N W Charon, R Zhao, R E Silversmith
Identical phosphatase mechanisms achieved through distinct modes of binding phosphoprotein substrate.
Proc Natl Acad Sci U S A: 2010, 107(5);1924-9
[PubMed:20080618] [WorldCat.org] [DOI] (I p)

Travis J Muff, George W Ordal
The CheC phosphatase regulates chemotactic adaptation through CheD.
J Biol Chem: 2007, 282(47);34120-8
[PubMed:17908686] [WorldCat.org] [DOI] (P 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)

Travis J Muff, Richard M Foster, Peter J Y Liu, George W Ordal
CheX in the three-phosphatase system of bacterial chemotaxis.
J Bacteriol: 2007, 189(19);7007-13
[PubMed:17675386] [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)

Hendrik Szurmant, Travis J Muff, George W Ordal
Bacillus subtilis CheC and FliY are members of a novel class of CheY-P-hydrolyzing proteins in the chemotactic signal transduction cascade.
J Biol Chem: 2004, 279(21);21787-92
[PubMed:14749334] [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)

Hendrik Szurmant, Michael W Bunn, Vincent J Cannistraro, George W Ordal
Bacillus subtilis hydrolyzes CheY-P at the location of its action, the flagellar switch.
J Biol Chem: 2003, 278(49);48611-6
[PubMed:12920116] [WorldCat.org] [DOI] (P p)

J R Kirby, M M Saulmon, C J Kristich, G W Ordal
CheY-dependent methylation of the asparagine receptor, McpB, during chemotaxis in Bacillus subtilis.
J Biol Chem: 1999, 274(16);11092-100
[PubMed:10196193] [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)

J R Kirby, C J Kristich, S L Feinberg, G W Ordal
Methanol production during chemotaxis to amino acids in Bacillus subtilis.
Mol Microbiol: 1997, 24(4);869-78
[PubMed:9194713] [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 S Bischoff, R B Bourret, M L Kirsch, G W Ordal
Purification and characterization of Bacillus subtilis CheY.
Biochemistry: 1993, 32(35);9256-61
[PubMed:8369293] [WorldCat.org] [DOI] (P p)