PhrK

• Description: response regulator aspartate phosphatase (RapK) regulator, controls ComA activity
  
  

Gene name	phrK
Synonyms
Essential	no
Product	phosphatase (RapK) regulator
Function	control of ComA activity
Gene expression levels in SubtiExpress: phrK
Interactions involving this protein in SubtInteract: PhrK
MW, pI	3 kDa, 8.158
Gene length, protein length	120 bp, 40 aa
Immediate neighbours	rapK, yobH
Get the DNA and protein sequences (Barbe et al., 2009)
Genetic context This image was kindly provided by SubtiList
Expression at a glance   PubMed

Categories containing this gene/protein

genetic competence, protein modification, transcription factors and their control, quorum sensing, short peptides

This gene is a member of the following regulons

AbrB regulon, SigH regulon

The gene

Basic information

• Locus tag: BSU18920

Database entries

• DBTBS entry: [1]

• SubtiList entry: [2]

The protein

Basic information/ Evolution

• Catalyzed reaction/ biological activity: inhibits RapK activity PubMed

• Protein family: RAP family (according to Swiss-Prot)

• Paralogous protein(s):

Extended information on the protein

• Kinetic information:

• Domains:

• Modification:

• Cofactor(s):

• Effectors of protein activity:

• Interactions:
  • RapK-PhrK PubMed

• Localization:

Database entries

• Structure:

• UniProt: O31840

• KEGG entry: [3]

• E.C. number:

Expression and regulation

• Operon: rapK-phrK PubMed

• Expression browser: phrK PubMed

• Sigma factor: SigH PubMed

• Regulation:

• Regulatory mechanism:
  • AbrB: transcription repression PubMed

• Additional information:

Biological materials

• Mutant:

• Expression vector:

• lacZ fusion:

• GFP fusion:

• two-hybrid system:

• Antibody:

References

Additional publications: PubMed

Jennifer M Auchtung, Catherine A Lee, Alan D Grossman
Modulation of the ComA-dependent quorum response in Bacillus subtilis by multiple Rap proteins and Phr peptides.
J Bacteriol: 2006, 188(14);5273-85
[PubMed:16816200] [WorldCat.org] [DOI] (P p)

R S McQuade, N Comella, A D Grossman
Control of a family of phosphatase regulatory genes (phr) by the alternate sigma factor sigma-H of Bacillus subtilis.
J Bacteriol: 2001, 183(16);4905-9
[PubMed:11466295] [WorldCat.org] [DOI] (P p)