Purity: >98% Erbstatin is a novel inhibitor of the EGF receptor associated tyrosine kinase1 . It is an unstable compound and is completely inactivated in serum in 30 minutes. Methyl 2,5-dihydroxycinnamate is a stable erbstatin analog retaining activity after a 60 minute incubation. It inhibits EGF receptor associated tyrosine kinase in vitro (IC50 =0.77 μM)2 . Inhibition is competitive with substrate and noncompetitive with ATP.
Molecular Spectra
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References
• Imoto, M., et al., Biochem. Int. , 15 : 989 (1987).
• Umezawa, K., et al., FEBS Lett. , 260 : 198 (1990).