Product nameRecombinant human CSK protein
See all CSK proteins and peptides
Protein lengthFull length protein
Amino Acid Sequence
Our Abpromise guarantee covers the use of ab42617 in the following tested applications.
The application notes include recommended starting dilutions; optimal dilutions/concentrations should be determined by the end user.
Biological activitySpecific Activity : 100 U/mg. One unit defined as the amount of enzyme that will transfer 1nmol phosphate to Tyr substrate per minute at pH 7.4 and 30deg.C. Assay buffer : 50mM HEPES pH 7.4, 3mM MgCl2, 3mM MnCl2, 1mM DTT, 3um Na-orthovanadate, 0.1M ATP, 30ug/ml Poly (Glu:Tyr) 4:1 substrate and 1ug/ml recombinant CSK.
Purity> 90 % SDS-PAGE.
Additional notesSource : Baculovirus infected Sf9 cells
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Preparation and Storage
Stability and Storage
Shipped on Dry Ice. Upon delivery aliquot. Store at -80°C. Avoid freeze / thaw cycle.
Constituents: 0.307% Glutathione, 0.0462% DTT, 0.395% Tris HCl, 0.05% Tween, 30% Glycerol, 0.58% Sodium chloride
10mM reduced Glutathione, pH 8.0
This product is an active protein and may elicit a biological response in vivo, handle with caution.
- C SRC
- C SRC kinase
- C src Tyrosine Kinase
FunctionSpecifically phosphorylates 'Tyr-504' on LCK, which acts as a negative regulatory site. Can also act on the LYN and FYN kinases.
Tissue specificityExpressed in lung and macrophages.
Sequence similaritiesBelongs to the protein kinase superfamily. Tyr protein kinase family. CSK subfamily.
Contains 1 protein kinase domain.
Contains 1 SH2 domain.
Contains 1 SH3 domain.
modificationsAutophosphorylation of Tyr-304 occurs only at abnormally high CSK concentrations in vitro.
Cellular localizationCytoplasm. Cell membrane. Mainly cytoplasmic, also present in lipid rafts.
- Information by UniProt
ab42617 has not yet been referenced specifically in any publications.