Difference between revisions of "PtkA"
| Line 66: | Line 66: | ||
* '''Domains:''' single BY-kinase domain | * '''Domains:''' single BY-kinase domain | ||
| − | * '''Modification:''' autophosphorylation at residues Y225, Y227 and Y228 (primary site) | + | * '''Modification:''' autophosphorylation at residues Y225, Y227 and Y228 (primary site), dephosphorylated by [[PtpZ]] {{PubMed|15866923}} |
* '''Cofactor(s):''' ATP | * '''Cofactor(s):''' ATP | ||
Revision as of 20:33, 22 May 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
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Contents
The gene
Basic information
- Locus tag: BSU36250
Phenotypes of a mutant
Accumulation of extra chromosome equivalents 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 YwqF, 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), 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:
- 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
- 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
