CheC

• Description: CheY-P phosphatase, inhibition of CheR-mediated methylation of MCPs
  
  

Gene name	cheC
Synonyms	ylxJ
Essential	no
Product	CheY-P phosphatase
Function	motility and chemotaxis
Gene expression levels in SubtiExpress: cheC
Interactions involving this protein in SubtInteract: CheC
MW, pI	22 kDa, 4.035
Gene length, protein length	627 bp, 209 aa
Immediate neighbours	cheW, cheD
Get the DNA and protein sequences (Barbe et al., 2009)
Genetic context This image was kindly provided by SubtiList
Expression at a glance   PubMed

Categories containing this gene/protein

protein modification, motility and chemotaxis

This gene is a member of the following regulons

CodY regulon, SigD regulon, Spo0A regulon

The gene

Basic information

• Locus tag: BSU16450

Database entries

• DBTBS entry: [1]

• SubtiList entry: [2]

The protein

Basic information/ Evolution

• Catalyzed reaction/ biological activity: CheY phosphatase, CheD regulation

• Protein family: cheC family (according to Swiss-Prot)

• Paralogous protein(s):FliY

Extended information on the protein

• Kinetic information:

• Domains:

• Modification:

• Cofactor(s):

• Effectors of protein activity: interaction with CheD enhances phosphatase activity towards CheY-P PubMed

• Interactions:
  • McpB-CheC PubMed
  • CheA-CheC PubMed
  • CheC-CheD PubMed
  • CheC-CheY-P

• Localization:

Database entries

• Structure:

• UniProt: P40403

• KEGG entry: [3]

• E.C. number:

Expression and regulation

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

• Expression browser: cheC 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, CheC is present with 770 +/- 330 molecules per cell PubMed

Biological materials

• Mutant:

• Expression vector:

• lacZ fusion:

• GFP fusion:

• two-hybrid system:

• Antibody:

References

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)

Ruth E Silversmith
Auxiliary phosphatases in two-component signal transduction.
Curr Opin Microbiol: 2010, 13(2);177-83
[PubMed:20133180] [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 diverse CheC-type phosphatases: chemotaxis and beyond.
Mol Microbiol: 2008, 70(5);1054-61
[PubMed:18990184] [WorldCat.org] [DOI] (I p)

Christopher V Rao, George D Glekas, George W Ordal
The three adaptation systems of Bacillus subtilis chemotaxis.
Trends Microbiol: 2008, 16(10);480-7
[PubMed:18774298] [WorldCat.org] [DOI] (P 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)

Travis J Muff, George W Ordal
Assays for CheC, FliY, and CheX as representatives of response regulator phosphatases.
Methods Enzymol: 2007, 423;336-48
[PubMed:17609139] [WorldCat.org] [DOI] (P p)

Xingjuan Chao, Travis J Muff, Sang-Youn Park, Sheng Zhang, Abiola M Pollard, George W Ordal, Alexandrine M Bilwes, Brian R Crane
A receptor-modifying deamidase in complex with a signaling phosphatase reveals reciprocal regulation.
Cell: 2006, 124(3);561-71
[PubMed:16469702] [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 M Saulmon, Ece Karatan, George W Ordal
Effect of loss of CheC and other adaptational proteins on chemotactic behaviour in Bacillus subtilis.
Microbiology (Reading): 2004, 150(Pt 3);581-589
[PubMed:14993307] [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)

J R Kirby, C J Kristich, M M Saulmon, M A Zimmer, L F Garrity, I B Zhulin, G W Ordal
CheC is related to the family of flagellar switch proteins and acts independently from CheD to control chemotaxis in Bacillus subtilis.
Mol Microbiol: 2001, 42(3);573-85
[PubMed:11722727] [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)

M M Rosario, G W Ordal
CheC and CheD interact to regulate methylation of Bacillus subtilis methyl-accepting chemotaxis proteins.
Mol Microbiol: 1996, 21(3);511-8
[PubMed:8866475] [WorldCat.org] [DOI] (P p)

M M Rosario, J R Kirby, D A Bochar, G W Ordal
Chemotactic methylation and behavior in Bacillus subtilis: role of two unique proteins, CheC and CheD.
Biochemistry: 1995, 34(11);3823-31
[PubMed:7893679] [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)