EGF Receptor Substrate 2 Phospho-Tyr5 |
| Catalog No.GC34253 |
EGF Receptor Substrate 2 (Phospho-Tyr5) is a biologically active peptide derived from an autophosphorylation site (Tyr992) of epidermal growth factor receptor (EGFR).
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Cas No.: 149261-42-7
Sample solution is provided at 25 µL, 10mM.
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EGF Receptor Substrate 2 (Phospho-Tyr5) is a biologically active peptide derived from an autophosphorylation site (Tyr992) of epidermal growth factor receptor (EGFR).
DADEpYLIPQQG is a generalized PTPase substrate. Both CAV GST-VP2 and TLMV GST-ORF2 are shown to have PTPase activity using both ENDpYINASL and DADEpYLIPQQG. Steady state activities for the reaction of 5 μg of CAV GST-VP2 with ENDpYINASL and DADEpYLIPQQG are 100 and 208%, respectively, of those seen for 2 units of TC-PTP[1]. In the context of DADEpYLIPQQG, the minimal sizes recognized by PTPα are either ADEpYLI or DADEpY-NH2. The kcat/Km value for the parent peptide DADEpYLIPQQG (EGFR988-998) is 1090-fold higher than Tyr(P)[2].
[1]. Peters MA, et al. Chicken anemia virus VP2 is a novel dual specificity protein phosphatase. J Biol Chem. 2002 Oct 18;277(42):39566-73. Epub 2002 Jul 31. [2]. Wu L, et al. Comparative kinetic analysis and substrate specificity of the tandem catalytic domains of the receptor-like protein-tyrosine phosphatase alpha. J Biol Chem. 1997 Mar 14;272(11):6994-7002.
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