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Gene name mcsB
Synonyms yacI
Essential no
Product protein arginine kinase
Function control of CtsR activity
Gene expression levels in SubtiExpress: mcsB
Interactions involving this protein in SubtInteract: McsB
Metabolic function and regulation of this protein in SubtiPathways:
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
McsB context.gif
This image was kindly provided by SubtiList
Expression at a glance   PubMed
McsB expression.png

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

Phenotypes of a mutant

Database entries

  • DBTBS entry: [1]
  • SubtiList entry: [2]

Additional information

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:

Database entries

  • Structure:
  • KEGG entry: [3]
  • E.C. number:

Additional information

Expression and regulation

  • Regulatory mechanism:
  • Additional information:

Biological materials

  • Mutant:
    • mcsB::aphA3 availbale from the Gerth lab
    • mcsBC167S::spec available from the Gerth lab
    • GP1457 (mcsB::aphA3), available in Stülke 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

Labs working on this gene/protein

Your additional remarks




Original Publications

Alexander K W Elsholz, Kürsad Turgay, Stephan Michalik, Bernd Hessling, Katrin Gronau, Dan Oertel, Ulrike Mäder, Jörg Bernhardt, Dörte Becher, Michael Hecker, Ulf Gerth
Global impact of protein arginine phosphorylation on the physiology of Bacillus subtilis.
Proc. Natl. Acad. Sci. U.S.A.: 2012, 109(19);7451-6
[PubMed:22517742] [] [DOI] (I p)

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] [] [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] [] [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] [] [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] [] [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] [] [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] [] [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] [] (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] [] (P p)

Additional publications: PubMed