Chemical Name:2-(2-Amino-3-methoxyphenyl)-4H-1-benzopyran-4-one
Biological Activity:
Specific inhibitor of mitogen-activated protein kinase kinase
(MAPKK / MEK). Acts by binding to the inactivated form of MEK, thereby
preventing its phosphorylation by cRAF or MEK kinase (IC50 = 2-7 μM).
Dudleyet al (1995) A synthetic inhibitor of the
mitogen-activated protein kinase cascade. Proc.Natl.Acad.Sci.USA 92
7686. Alessiet al (1995) PD 98059 is a specific inhibitor of the
activation of mitogen-activated protein kinase kinase in vitro and in
vivo. J.Biol.Chem. 270 27489. Tsanget al
(1998) Effects of mitogen-activated protein kinase kinase inhibitor PD 98059 on
antigen challenge of guinea-pig airways in vitro. Br.J.Pharmacol. 125
61.