ComP

• Description: two-component sensor kinase, detects extracellular ComX
  
  

Gene name	comP
Synonyms
Essential	no
Product	two-component sensor kinase
Function	regulation of genetic competence and quorum sensing
MW, pI	89 kDa, 7.997
Gene length, protein length	2307 bp, 769 aa
Immediate neighbours	comA, comX
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: BSU31690

Database entries

• DBTBS entry: [1]

• SubtiList entry: [2]

The protein

Basic information/ Evolution

• Catalyzed reaction/ biological activity: ATP + protein L-histidine = ADP + protein N-phospho-L-histidine (according to Swiss-Prot) autophosphorylation, phosphorylation of ComA

• Protein family:

• Paralogous protein(s):

Extended information on the protein

• Kinetic information:

• Domains:

• Modification:

• Cofactor(s):

• Effectors of protein activity: ComX (extracellular)

• Interactions: ComP-ComA

• Localization: cell membrane (according to Swiss-Prot)

Database entries

• Structure:

• Swiss prot entry: Q99027

• KEGG entry: [3]

• E.C. number:

Expression and regulation

• Operon:

• Sigma factor:

• Regulation:

• Regulatory mechanism:

• Additional information:

Biological materials

• Mutant:

• Expression vector:

• lacZ fusion:

• GFP fusion:

• two-hybrid system:

• Antibody:

References

Mireille Ansaldi, Darja Marolt, Tina Stebe, Ines Mandic-Mulec, David Dubnau
Specific activation of the Bacillus quorum-sensing systems by isoprenylated pheromone variants.
Mol Microbiol: 2002, 44(6);1561-73
[PubMed:12067344] [WorldCat.org] [DOI] (P p)

P Tortosa, L Logsdon, B Kraigher, Y Itoh, I Mandic-Mulec, D Dubnau
Specificity and genetic polymorphism of the Bacillus competence quorum-sensing system.
J Bacteriol: 2001, 183(2);451-60
[PubMed:11133937] [WorldCat.org] [DOI] (P p)

F Piazza, P Tortosa, D Dubnau
Mutational analysis and membrane topology of ComP, a quorum-sensing histidine kinase of Bacillus subtilis controlling competence development.
J Bacteriol: 1999, 181(15);4540-8
[PubMed:10419951] [WorldCat.org] [DOI] (P p)

C Fabret, V A Feher, J A Hoch
Two-component signal transduction in Bacillus subtilis: how one organism sees its world.
J Bacteriol: 1999, 181(7);1975-83
[PubMed:10094672] [WorldCat.org] [DOI] (P p)

M Perego, J A Hoch
Cell-cell communication regulates the effects of protein aspartate phosphatases on the phosphorelay controlling development in Bacillus subtilis.
Proc Natl Acad Sci U S A: 1996, 93(4);1549-53
[PubMed:8643670] [WorldCat.org] [DOI] (P p)

Y Weinrauch, R Penchev, E Dubnau, I Smith, D Dubnau
A Bacillus subtilis regulatory gene product for genetic competence and sporulation resembles sensor protein members of the bacterial two-component signal-transduction systems.
Genes Dev: 1990, 4(5);860-72
[PubMed:2116363] [WorldCat.org] [DOI] (P p)