McsB

• Description: adaptor protein, protein arginine kinase, modulator of CtsR-dependent repression
  
  

Gene name	mcsB
Synonyms	yacI
Essential	no
Product	protein arginine kinase
Function	control of CtsR activity
Interactions involving this protein in SubtInteract: McsB
Metabolic function and regulation of this protein in SubtiPathways: Stress
MW, pI	40 kDa, 5.068
Gene length, protein length	1089 bp, 363 aa
Immediate neighbours	mcsA, clpC
Get the DNA and protein sequences (Barbe et al., 2009)
Genetic context This image was kindly provided by SubtiList

Categories containing this gene/protein

protein modification, transcription factors and their control, sporulation proteins, general stress proteins (controlled by SigB), heat shock proteins

This gene is a member of the following regulons

CtsR regulon, SigB regulon, SigF regulon

The gene

Basic information

• Locus tag: BSU00850

Database entries

• DBTBS entry: [1]

• SubtiList entry: [2]

The protein

Basic information/ Evolution

• Catalyzed reaction/ biological activity: targets non-functional CtsR for degradation by ClpP/ClpC PubMed

• Protein family: ATP:guanido phosphotransferase family (according to Swiss-Prot)

• Paralogous protein(s):

Extended information on the protein

• Kinetic information:

• Domains:

• Modification:
  • autophosphorylation on specific arginine residues PubMed, dephosphorylation by YwlE PubMed
  • autophosphorylation stimulates McsB activity as adaptor protein for ClpC PubMed

• Cofactor(s):

• Effectors of protein activity:

• Interactions:
  • McsA-McsB-CtsR, McsB-CtsR PubMed, McsA-McsB
  • McsB-YwlE PubMed
  • McsB-ClpP/ClpC (rapid degradation of phosphorylated McsB) PubMed

• Localization:

Database entries

• Structure:

• UniProt: P37570

• KEGG entry: [3]

• E.C. number:

Expression and regulation

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

• Sigma factor: SigA PubMed, SigB PubMed1 PubMed2, SigF PubMed

• Regulation:
  • expressed early during sporulation in the forespore (SigF) PubMed
  • induced by stress (SigB) PubMed
  • induced by heat (CtsR) PubMed

• Regulatory mechanism:
  • CtsR: transcription repression PubMed

• Additional information:

Biological materials

• Mutant: mcsB::aphA3 availbale from the Gerth lab

mcsBC167S::spec available from the Gerth lab

• Expression vector: for expression, purification in E. coli with N-terminal His-tag, pRSETA available in Gerth lab

• lacZ fusion:

• GFP fusion:

• two-hybrid system:

• Antibody: available in Gerth lab

References

Reviews

PubMed

Original Publications

A K W Elsholz, K Hempel, S Michalik, K Gronau, D Becher, M Hecker, U Gerth
Activity control of the ClpC adaptor McsB in Bacillus subtilis.
J Bacteriol: 2011, 193(15);3887-93
[PubMed:21622759] [WorldCat.org] [DOI] (I p)

Alexander K W Elsholz, Stephan Michalik, Daniela Zühlke, Michael Hecker, Ulf Gerth
CtsR, the Gram-positive master regulator of protein quality control, feels the heat.
EMBO J: 2010, 29(21);3621-9
[PubMed:20852588] [WorldCat.org] [DOI] (I p)

Jeanette Hahn, Naomi Kramer, Kenneth Briley, David Dubnau
McsA and B mediate the delocalization of competence proteins from the cell poles of Bacillus subtilis.
Mol Microbiol: 2009, 72(1);202-15
[PubMed:19226326] [WorldCat.org] [DOI] (I p)

Stephanie T Wang, Barbara Setlow, Erin M Conlon, Jessica L Lyon, Daisuke Imamura, Tsutomu Sato, Peter Setlow, Richard Losick, Patrick Eichenberger
The forespore line of gene expression in Bacillus subtilis.
J Mol Biol: 2006, 358(1);16-37
[PubMed:16497325] [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
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, 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)

Additional publications: PubMed