McsB

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

Gene name	mcsB
Synonyms	yacI
Essential	no
Product	protein arginine kinase
Function	control of CtsR activity
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

The gene

Basic information

• Locus tag: BSU00850

Database entries

• DBTBS entry: [1]

• SubtiList entry: [2]

The protein

Basic information/ Evolution

• Catalyzed reaction/ biological activity: phosphorylation of CtsR on Arg-62 PubMed

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

• Paralogous protein(s):

Extended information on the protein

• Kinetic information:

• Domains:

• Modification:

• Cofactor(s):

• Effectors of protein activity:

• Interactions: McsA-McsB-CtsR, McsB-CtsR, McsB-ClpC, McsA-McsB

• 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:

• Expression vector:

• lacZ fusion:

• GFP fusion:

• two-hybrid system:

• Antibody:

References

Reviews

Janine Kirstein, Noël Molière, David A Dougan, Kürşad Turgay
Adapting the machine: adaptor proteins for Hsp100/Clp and AAA+ proteases.
Nat Rev Microbiol: 2009, 7(8);589-99
[PubMed:19609260] [WorldCat.org] [DOI] (I p)