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=== Additional information===
=== Additional information===


=The protein=
=The protein=
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* '''Kinetic information:'''
* '''Kinetic information:'''


* '''Domains:''' single BY-kinase domain  
* '''[[Domains]]:''' single BY-kinase domain  


* '''Modification:''' autophosphorylation at residues Y225, Y227 and Y228 (primary site) {{PubMed|20509597}}, dephosphorylated by [[PtpZ]] {{PubMed|15866923}}
* '''Modification:''' autophosphorylation at residues Y225, Y227 and Y228 (primary site) {{PubMed|20509597}}, dephosphorylated by [[PtpZ]] {{PubMed|15866923}}


* '''Cofactor(s):''' ATP
* '''[[Cofactors]]:''' ATP


* '''Effectors of protein activity:''' [[TkmA]] - transmembrane modulator, activates PtkA autophosphorylation and substrate phosphorylation [http://www.ncbi.nlm.nih.gov/sites/entrez/12970183 PubMed]
* '''Effectors of protein activity:''' [[TkmA]] - transmembrane modulator, activates PtkA autophosphorylation and substrate phosphorylation [http://www.ncbi.nlm.nih.gov/sites/entrez/12970183 PubMed]
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* '''Mutant:'''  
* '''Mutant:'''  
** KO strain created with pMUTIN-2, available from [[Ivan Mijakovic]]
** KO strain created with pMUTIN-2, available from [[Ivan Mijakovic]]
** GP1520 (spc), available in the [[Stülke]] lab
** GP1520 (spc), available in [[ Jörg Stülke]]'s lab
** GP1544 (ermC), available in the [[Stülke]] lab
** GP1544 (ermC), available in [[ Jörg Stülke]]'s lab
** GP1587 (cat) , available in [[Stülke]] lab
** GP1587 (cat) , available in [[ Jörg Stülke]]'s lab
** GP1521 epsB (aphA3) ptkA (spc) double mutant available in [[Stülke]] lab
** GP1521 ''[[epsB]]'' (aphA3) ''[[ptkA]]'' (spc) double mutant available in [[ Jörg Stülke]]'s lab
** GP1529 tkmA-ptkA::spc available in [[Stülke]] lab
** GP1529 ''[[tkmA]]-[[ptkA]]''::spc available in [[ Jörg Stülke]]'s lab
** GP1610 (ptkA-ptpZ, spc), available in the [[Stülke]] lab
** GP1610 (''[[ptkA]]-[[ptpZ]]'', spc), available in [[ Jörg Stülke]]'s lab


* '''Expression vector:''' pQE-30, N-terminally 6xHis-tagged, available from [[Ivan Mijakovic]]
* '''Expression vector:''' pQE-30, N-terminally 6xHis-tagged, available from [[Ivan Mijakovic]]
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* '''GFP fusion:''' CFP-fusion, available from [[Ivan Mijakovic]]
* '''GFP fusion:''' CFP-fusion, available from [[Ivan Mijakovic]]


* '''two-hybrid system:''' B. pertussis adenylate cyclase-based bacterial two hybrid system ([[BACTH]]), available in [[Stülke]] lab  
* '''two-hybrid system:''' B. pertussis adenylate cyclase-based bacterial two hybrid system ([[BACTH]]), available in [[ Jörg Stülke]]'s lab  


* '''Antibody:'''
* '''Antibody:'''

Revision as of 10:22, 31 January 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
This image was kindly provided by SubtiList
Expression at a glance   PubMed















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:
  • 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

<pubmed> 20497498 </pubmed>

Original publications

<pubmed> 12970183, 15741737, 15866923, 17367396, 19258708 18547145 20497499 20509597 20815827 20817675 23939619</pubmed>