Difference between revisions of "PtkA"

From SubtiWiki
Jump to: navigation, search
(Original publications)
Line 57: Line 57:
 
* Defect in [[biofilm formation]], this involves the kinase activity, but the target protein is unknown {{PubMed|20815827}}
 
* Defect in [[biofilm formation]], this involves the kinase activity, but the target protein is unknown {{PubMed|20815827}}
 
=== Database entries ===
 
=== Database entries ===
 +
* '''BsubCyc:''' [http://bsubcyc.org/BSUB/NEW-IMAGE?type=NIL&object=BSU36250&redirect=T BSU36250]
  
 
* '''DBTBS entry:''' [http://dbtbs.hgc.jp/COG/prom/ywqCD.html]
 
* '''DBTBS entry:''' [http://dbtbs.hgc.jp/COG/prom/ywqCD.html]
Line 93: Line 94:
  
 
=== Database entries ===
 
=== Database entries ===
 +
* '''BsubCyc:''' [http://bsubcyc.org/BSUB/NEW-IMAGE?type=NIL&object=BSU36250&redirect=T BSU36250]
  
 
* '''Structure:''' [http://www.rcsb.org/pdb/cgi/explore.cgi?pdbId=2VED 2VED] (CapB, the homolog in ''Staphylococcus aureus'')
 
* '''Structure:''' [http://www.rcsb.org/pdb/cgi/explore.cgi?pdbId=2VED 2VED] (CapB, the homolog in ''Staphylococcus aureus'')

Revision as of 14:59, 2 April 2014

Gene name ptkA
Synonyms ywqD
Essential no
Product protein tyrosine kinase
Function protein phosphorylation
Gene expression levels in SubtiExpress: ptkA
Interactions involving this protein in SubtInteract: PtkA
MW, pI 25 kDa, 9.628
Gene length, protein length 711 bp, 237 aa
Immediate neighbours ptpZ, tkmA
Sequences Protein DNA DNA_with_flanks
Genetic context
YwqD context.gif
This image was kindly provided by SubtiList
Expression at a glance   PubMed
PtkA expression.png















Categories containing this gene/protein

biofilm formation, protein modification, membrane proteins

This gene is a member of the following regulons

AbrB regulon

The gene

Basic information

  • Locus tag: BSU36250

Phenotypes of a mutant

  • Accumulation of extra chromosome equivalents PubMed
  • Defect in biofilm formation, this involves the kinase activity, but the target protein is unknown PubMed

Database entries

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

Additional information

The protein

Basic information/ Evolution

  • Catalyzed reaction/ biological activity: ATP + a [protein]-L-tyrosine = ADP + a [protein]-L-tyrosine phosphate (according to Swiss-Prot), autophosphorylation, phosphorylation of Ugd, TuaD, Ssb, SsbB
  • Paralogous protein(s): EpsB

Extended information on the protein

  • Kinetic information:
  • Modification: autophosphorylation at residues Y225, Y227 and Y228 (primary site) PubMed, dephosphorylated by PtpZ PubMed
  • Effectors of protein activity: TkmA - transmembrane modulator, activates PtkA autophosphorylation and substrate phosphorylation PubMed

Database entries

  • Structure: 2VED (CapB, the homolog in Staphylococcus aureus)
  • KEGG entry: [3]
  • E.C. number:

Additional information

Expression and regulation

  • Regulation:
  • Regulatory mechanism:
  • Additional information:

Biological materials

  • Expression vector: pQE-30, N-terminally 6xHis-tagged, available from Ivan Mijakovic
  • lacZ fusion: in a KO strain created with pMUTIN-2, available from Ivan Mijakovic
  • two-hybrid system: B. pertussis adenylate cyclase-based bacterial two hybrid system (BACTH), available in Jörg Stülke's lab
  • Antibody:

Labs working on this gene/protein

Ivan Mijakovic, Thiverval-Grignon, France

Your additional remarks

References

Reviews

Jörg Stülke
More than just activity control: phosphorylation may control all aspects of a protein's properties.
Mol Microbiol: 2010, 77(2);273-5
[PubMed:20497498] [WorldCat.org] [DOI] (I p)

Original publications