Difference between revisions of "PtkA"
| Line 96: | Line 96: | ||
* '''Regulatory mechanism:''' | * '''Regulatory mechanism:''' | ||
** [[DegU]]-P: transcription repression {{PubMed|20815827}} | ** [[DegU]]-P: transcription repression {{PubMed|20815827}} | ||
| + | ** [[AbrB]]: transcription repression {{PubMed|20817675}} | ||
* '''Additional information:''' | * '''Additional information:''' | ||
| Line 122: | Line 123: | ||
<pubmed> 20497498 </pubmed> | <pubmed> 20497498 </pubmed> | ||
==Original publications== | ==Original publications== | ||
| − | <pubmed> 12970183, 15741737, 15866923, 17367396, 19258708 18547145 20497499 20509597 20815827</pubmed> | + | <pubmed> 12970183, 15741737, 15866923, 17367396, 19258708 18547145 20497499 20509597 20817675 20815827</pubmed> |
[[Category:Protein-coding genes]] | [[Category:Protein-coding genes]] | ||
Revision as of 20:41, 15 September 2010
- Description: protein tyrosine kinase
| Gene name | ptkA |
| Synonyms | ywqD |
| Essential | no |
| Product | protein tyrosine kinase |
| Function | protein phosphorylation |
| MW, pI | 25 kDa, 9.628 |
| Gene length, protein length | 711 bp, 237 aa |
| Immediate neighbours | ptpZ, tkmA |
| Get the DNA and protein sequences (Barbe et al., 2009) | |
Genetic context 
This image was kindly provided by SubtiList
| |
Contents
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
- Protein family: cpsD/capB family (according to Swiss-Prot), BY-kinase
- 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
- Localization:
Database entries
- Structure: 2VED (CapB, the homolog in Staphylococcus aureus)
- UniProt: P96716
- KEGG entry: [3]
- E.C. number:
Additional information
Expression and regulation
- Regulation:
- 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
- GFP fusion: CFP-fusion, 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
