Description
The Poly (4:1 Glu, Tyr) peptide is a copolymer composed of glutamic acid (Glu) and tyrosine (Tyr) in a 4:1 ratio. It serves as a substrate for tyrosine kinases (EGFR), which are enzymes that transfer a phosphate group from ATP to the tyrosine residues in proteins. This peptide is used in various assays to measure kinase activity, including fluorescence polarization (FP) assays and tyrosine phosphatase assays.
Product Details
CAS Number: 97105-00-5
Molecular Weight: 20,000 Da to 50,000 Da
Formulation: 1 ml of 25mM Tris-HCl buffer (pH 7.5)
Concentration: 1mg/ml
Purity: 95%
Storage: -20 °C
Stability: 1 year