TkmA

• Description: transmembrane modulator of PtkA activity, activates PtkA autophosphorylation and substrate phosphorylation
  
  

Gene name	tkmA
Synonyms	ywqC
Essential	no
Product	modulator of PtkA activity
Function	control of protein tyrosine phosphorylation
MW, pI	26 kDa, 4.61
Gene length, protein length	744 bp, 248 aa
Immediate neighbours	ptkA, ywqB
Get the DNA and protein sequences (Barbe et al., 2009)
Genetic context This image was kindly provided by SubtiList

The gene

Basic information

• Locus tag: BSU36260

Database entries

• DBTBS entry: [1]

• SubtiList entry: [2]

The protein

Basic information/ Evolution

• Catalyzed reaction/ biological activity: transmembrane activation of PtkA protein tyrosine kinase activity

• Protein family: cpsC/capA family (according to Swiss-Prot)

• Paralogous protein(s): EpsA

Extended information on the protein

• Kinetic information:

• Domains:

• Modification:

• Cofactor(s):

• Effectors of protein activity:

• Interactions: PtkA-TkmA PubMed

• Localization: cell membrane (according to Swiss-Prot)

Database entries

• Structure:

• Swiss prot entry: P96715

• KEGG entry: [3]

• E.C. number:

Expression and regulation

• Operon: tkmA-ptkA-ptpZ-ywqF PubMed

• Sigma factor:

• Regulation:

• Regulatory mechanism:

• Additional information:

Biological materials

• Mutant:

• Expression vector:

• lacZ fusion:

• GFP fusion:

• two-hybrid system:

• Antibody:

References

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)