IKK Inhibitor II, Wedelolactone

Cell-permeable. The naturally-occuring active ingredient from the herbal medicine, Eclipta alba, that acts as a selective and irreversible inhibitor of IKKα and IKKβ kinase activities (IC₅₀<10 µM). Inhibits NF-κB-mediated gene transcription in cells by blocking the phosphorylation and degradation of IκBα. Does not affect the activities of p38 MAP kinase or Akt.

The naturally isolated active ingredient of the herbal medicine, Eclipta alba, that acts as a cell permeable, selective and irreversible inhibitor of IKKα and β kinase activity (IC₅₀<10 µM). Inhibits NF-κB-mediated gene transcription in cells by blocking the phosphorylation and degradation of IκBα. Has no effects on p38 MAP kinase or Akt.

Cell permeable: yes

Primary Target
IKKα and β kinase activity

Product does not compete with ATP.

Reversible: no

Target IC₅₀: <10 µM against IKKα and β kinase activity

Packaged under inert gas

Following reconstitution, aliquot and freeze (-20°C). Stock solutions are stable for up to 3 months at -20°C.

Kobori, M., et al. 2004. Cell Death Differ.11, 123.
Li, C.C., et al. 2003. J. Org. Chem.68, 8500.
Mors, W.B., et al. 1989. Toxicon27, 1003.
Wagner, H., and Fessler, B. 1986. Planta Med.5, 374.

CALBIOCHEM is a registered trademark of Merck KGaA, Darmstadt, Germany

Toxicity: Standard Handling (A)