PtkA

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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:
  • Domains: single BY-kinase domain
  • Modification: autophosphorylation at residues Y225, Y227 and Y228 (primary site) PubMed, dephosphorylated by PtpZ PubMed
  • Cofactor(s): ATP
  • 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

  • Mutant: KO strain created with pMUTIN-2, available from Ivan Mijakovic
  • 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:
  • 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

Onuma Chumsakul, Hiroki Takahashi, Taku Oshima, Takahiro Hishimoto, Shigehiko Kanaya, Naotake Ogasawara, Shu Ishikawa
Genome-wide binding profiles of the Bacillus subtilis transition state regulator AbrB and its homolog Abh reveals their interactive role in transcriptional regulation.
Nucleic Acids Res: 2011, 39(2);414-28
[PubMed:20817675] [WorldCat.org] [DOI] (I p)

Taryn B Kiley, Nicola R Stanley-Wall
Post-translational control of Bacillus subtilis biofilm formation mediated by tyrosine phosphorylation.
Mol Microbiol: 2010, 78(4);947-63
[PubMed:20815827] [WorldCat.org] [DOI] (I p)

Boumediene Soufi, Chanchal Kumar, Florian Gnad, Matthias Mann, Ivan Mijakovic, Boris Macek
Stable isotope labeling by amino acids in cell culture (SILAC) applied to quantitative proteomics of Bacillus subtilis.
J Proteome Res: 2010, 9(7);3638-46
[PubMed:20509597] [WorldCat.org] [DOI] (I p)

Carsten Jers, Malene Mejer Pedersen, Dafni Katerina Paspaliari, Wolfgang Schütz, Christina Johnsson, Boumediene Soufi, Boris Macek, Peter Ruhdal Jensen, Ivan Mijakovic
Bacillus subtilis BY-kinase PtkA controls enzyme activity and localization of its protein substrates.
Mol Microbiol: 2010, 77(2);287-99
[PubMed:20497499] [WorldCat.org] [DOI] (I p)

Dina Petranovic, Christophe Grangeasse, Boris Macek, Mohammad Abdillatef, Virginie Gueguen-Chaignon, Sylvie Nessler, Josef Deutscher, Ivan Mijakovic
Activation of Bacillus subtilis Ugd by the BY-kinase PtkA proceeds via phosphorylation of its residue tyrosine 70.
J Mol Microbiol Biotechnol: 2009, 17(2);83-9
[PubMed:19258708] [WorldCat.org] [DOI] (I p)

Vanesa Olivares-Illana, Philippe Meyer, Emmanuelle Bechet, Virginie Gueguen-Chaignon, Didier Soulat, Sylvie Lazereg-Riquier, Ivan Mijakovic, Josef Deutscher, Alain J Cozzone, Olivier Laprévote, Solange Morera, Christophe Grangeasse, Sylvie Nessler
Structural basis for the regulation mechanism of the tyrosine kinase CapB from Staphylococcus aureus.
PLoS Biol: 2008, 6(6);e143
[PubMed:18547145] [WorldCat.org] [DOI] (I p)

Dina Petranovic, Ole Michelsen, Ksenija Zahradka, Catarina Silva, Mirjana Petranovic, Peter Ruhdal Jensen, Ivan Mijakovic
Bacillus subtilis strain deficient for the protein-tyrosine kinase PtkA exhibits impaired DNA replication.
Mol Microbiol: 2007, 63(6);1797-805
[PubMed:17367396] [WorldCat.org] [DOI] (P p)

Ivan Mijakovic, Lucia Musumeci, Lutz Tautz, Dina Petranovic, Robert A Edwards, Peter Ruhdal Jensen, Tomas Mustelin, Josef Deutscher, Nunzio Bottini
In vitro characterization of the Bacillus subtilis protein tyrosine phosphatase YwqE.
J Bacteriol: 2005, 187(10);3384-90
[PubMed:15866923] [WorldCat.org] [DOI] (P p)

Ivan Mijakovic, Dina Petranovic, Josef Deutscher
How tyrosine phosphorylation affects the UDP-glucose dehydrogenase activity of Bacillus subtilis YwqF.
J Mol Microbiol Biotechnol: 2004, 8(1);19-25
[PubMed:15741737] [WorldCat.org] [DOI] (P p)

Ivan Mijakovic, Sandrine Poncet, Grégory Boël, Alain Mazé, Sylvie Gillet, Emmanuel Jamet, Paulette Decottignies, Christophe Grangeasse, Patricia Doublet, Pierre Le Maréchal, Josef Deutscher
Transmembrane modulator-dependent bacterial tyrosine kinase activates UDP-glucose dehydrogenases.
EMBO J: 2003, 22(18);4709-18
[PubMed:12970183] [WorldCat.org] [DOI] (P p)