KapB

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Gene name kapB
Synonyms
Essential no
Product activator of KinB in the initiation of sporulation
Function control of sporulation initiation
Gene expression levels in SubtiExpress: kapB
Function and regulation of this protein in SubtiPathways:
Phosphorelay
MW, pI 14 kDa, 6.816
Gene length, protein length 384 bp, 128 aa
Immediate neighbours kinB, kapD
Sequences Protein DNA DNA_with_flanks
Genetic context
KapB context.gif
This image was kindly provided by SubtiList
Expression at a glance   PubMed
KapB expression.png




























Categories containing this gene/protein

phosphorelay, membrane proteins

This gene is a member of the following regulons

CodY regulon

The gene

Basic information

  • Locus tag: BSU31460

Phenotypes of a mutant

Database entries

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

Additional information

The protein

Basic information/ Evolution

  • Catalyzed reaction/ biological activity:
  • Protein family:
  • Paralogous protein(s):

Extended information on the protein

  • Kinetic information:
  • Domains:
  • Modification:
  • Cofactor(s):
  • Effectors of protein activity:

Database entries

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

Additional information

Expression and regulation

  • Regulation:
    • repressed during growth in the presence of branched chain amino acids (CodY) PubMed
  • Regulatory mechanism:
  • Additional information:

Biological materials

  • Mutant:
  • Expression vector:
  • lacZ fusion:
  • GFP fusion:
  • two-hybrid system:
  • Antibody:

Labs working on this gene/protein

Your additional remarks

References

Virginie Molle, Yoshiko Nakaura, Robert P Shivers, Hirotake Yamaguchi, Richard Losick, Yasutaro Fujita, Abraham L Sonenshein
Additional targets of the Bacillus subtilis global regulator CodY identified by chromatin immunoprecipitation and genome-wide transcript analysis.
J Bacteriol: 2003, 185(6);1911-22
[PubMed:12618455] [WorldCat.org] [DOI] (P p)

V Dartois, T Djavakhishvili, J A Hoch
KapB is a lipoprotein required for KinB signal transduction and activation of the phosphorelay to sporulation in Bacillus subtilis.
Mol Microbiol: 1997, 26(5);1097-108
[PubMed:9426145] [WorldCat.org] [DOI] (P p)

M A Strauch
Delineation of AbrB-binding sites on the Bacillus subtilis spo0H, kinB, ftsAZ, and pbpE promoters and use of a derived homology to identify a previously unsuspected binding site in the bsuB1 methylase promote.
J Bacteriol: 1995, 177(23);6999-7002
[PubMed:7592498] [WorldCat.org] [DOI] (P p)

K A Trach, J A Hoch
Multisensory activation of the phosphorelay initiating sporulation in Bacillus subtilis: identification and sequence of the protein kinase of the alternate pathway.
Mol Microbiol: 1993, 8(1);69-79
[PubMed:8497199] [WorldCat.org] [DOI] (P p)