CtsR

• Description: transcription repressor of class III heat shock genes (clpC operon, clpE, clpP)
  
  

Gene name	ctsR
Synonyms	yacG
Essential	no
Product	transcription repressor
Function	regulation of protein degradation
Regulatory function and regulation of this protein in SubtiPathways: Stress, Phosphorelay
MW, pI	17 kDa, 9.261
Gene length, protein length	462 bp, 154 aa
Immediate neighbours	rrnW-5S, mcsA
Get the DNA and protein sequences (Barbe et al., 2009)
Genetic context This image was kindly provided by SubtiList

The gene

Basic information

• Locus tag: BSU00830

Database entries

• DBTBS entry: [1]

• SubtiList entry: [2]

The protein

Basic information/ Evolution

• Catalyzed reaction/ biological activity:

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

• Paralogous protein(s):

Extended information on the protein

• Kinetic information:

• Domains:

• Modification: phosphorylation of a tyrosine residue by McsB PubMed, recently, it was reported thatCtsR is phosphorylatedby McsB on Arg-62 rather than on a tyrosine residue PubMed

• Cofactor(s):

• Effectors of protein activity: probably activated by dephosphorylation by McsA and inactivated by phosphorylation by McsB PubMed1 PubMed2, regulated proteolysis by ClpP/ClpC PubMed, PubMed, PubMed

• Interactions: McsA-McsB-CtsR

• Localization:

Database entries

• Structure: 3H0D (complex with a 26bp DNA duplex, from Geobacillus stearothermophilus) PubMed

• UniProt: P37568

• KEGG entry: [3]

• E.C. number:

Expression and regulation

• Operon: ctsR-mcsA-mcsB-clpC-radA-disA PubMed

• Sigma factor: SigA PubMed, SigB PubMed1 PubMed2

• Regulation:
  • induced by stress (SigB) PubMed
  • repressed at low temperatures (CtsR) PubMed

• Regulatory mechanism:
  • CtsR: transcription repression PubMed

• Additional information: the mRNA is very stable (half-life > 15 min) PubMed

Biological materials

• Mutant:

• Expression vector:

• lacZ fusion:

• GFP fusion:

• two-hybrid system:

• Antibody:

References

Jakob Fuhrmann, Andreas Schmidt, Silvia Spiess, Anita Lehner, Kürsad Turgay, Karl Mechtler, Emmanuelle Charpentier, Tim Clausen
McsB is a protein arginine kinase that phosphorylates and inhibits the heat-shock regulator CtsR.
Science: 2009, 324(5932);1323-7
[PubMed:19498169] [WorldCat.org] [DOI] (I p)

Janine Kirstein, David A Dougan, Ulf Gerth, Michael Hecker, Kürşad Turgay
The tyrosine kinase McsB is a regulated adaptor protein for ClpCP.
EMBO J: 2007, 26(8);2061-70
[PubMed:17380125] [WorldCat.org] [DOI] (P p)

Marcus Miethke, Michael Hecker, Ulf Gerth
Involvement of Bacillus subtilis ClpE in CtsR degradation and protein quality control.
J Bacteriol: 2006, 188(13);4610-9
[PubMed:16788169] [WorldCat.org] [DOI] (P p)

Janine Kirstein, Daniela Zühlke, Ulf Gerth, Kürşad Turgay, Michael Hecker
A tyrosine kinase and its activator control the activity of the CtsR heat shock repressor in B. subtilis.
EMBO J: 2005, 24(19);3435-45
[PubMed:16163393] [WorldCat.org] [DOI] (P p)

Wolfgang Schumann
The Bacillus subtilis heat shock stimulon.
Cell Stress Chaperones: 2003, 8(3);207-17
[PubMed:14984053] [WorldCat.org] [DOI] (P p)

Pekka Varmanen, Finn K Vogensen, Karin Hammer, Airi Palva, Hanne Ingmer
ClpE from Lactococcus lactis promotes repression of CtsR-dependent gene expression.
J Bacteriol: 2003, 185(17);5117-24
[PubMed:12923084] [WorldCat.org] [DOI] (P p)

G Hambraeus, C von Wachenfeldt, L Hederstedt
Genome-wide survey of mRNA half-lives in Bacillus subtilis identifies extremely stable mRNAs.
Mol Genet Genomics: 2003, 269(5);706-14
[PubMed:12884008] [WorldCat.org] [DOI] (P p)

J D Helmann, M F Wu, P A Kobel, F J Gamo, M Wilson, M M Morshedi, M Navre, C Paddon
Global transcriptional response of Bacillus subtilis to heat shock.
J Bacteriol: 2001, 183(24);7318-28
[PubMed:11717291] [WorldCat.org] [DOI] (P p)

A Petersohn, M Brigulla, S Haas, J D Hoheisel, U Völker, M Hecker
Global analysis of the general stress response of Bacillus subtilis.
J Bacteriol: 2001, 183(19);5617-31
[PubMed:11544224] [WorldCat.org] [DOI] (P p)

E Krüger, D Zühlke, E Witt, H Ludwig, M Hecker
Clp-mediated proteolysis in Gram-positive bacteria is autoregulated by the stability of a repressor.
EMBO J: 2001, 20(4);852-63
[PubMed:11179229] [WorldCat.org] [DOI] (P p)

I Derré, G Rapoport, T Msadek
The CtsR regulator of stress response is active as a dimer and specifically degraded in vivo at 37 degrees C.
Mol Microbiol: 2000, 38(2);335-47
[PubMed:11069659] [WorldCat.org] [DOI] (P p)

I Derré, G Rapoport, T Msadek
CtsR, a novel regulator of stress and heat shock response, controls clp and molecular chaperone gene expression in gram-positive bacteria.
Mol Microbiol: 1999, 31(1);117-31
[PubMed:9987115] [WorldCat.org] [DOI] (P p)

E Krüger, M Hecker
The first gene of the Bacillus subtilis clpC operon, ctsR, encodes a negative regulator of its own operon and other class III heat shock genes.
J Bacteriol: 1998, 180(24);6681-8
[PubMed:9852015] [WorldCat.org] [DOI] (P p)

E Krüger, T Msadek, M Hecker
Alternate promoters direct stress-induced transcription of the Bacillus subtilis clpC operon.
Mol Microbiol: 1996, 20(4);713-23
[PubMed:8793870] [WorldCat.org] [DOI] (P p)

E Krüger, U Völker, M Hecker
Stress induction of clpC in Bacillus subtilis and its involvement in stress tolerance.
J Bacteriol: 1994, 176(11);3360-7
[PubMed:8195092] [WorldCat.org] [DOI] (P p)

PubMed