Bax-Inhibiting Peptide, V5

A cell-permeable pentapeptide based on the Ku70-Bax inhibiting domain that offers cytoprotection. Functions as effectively as the Caspase Inhibitor VI (Z-VAD-FMK; Cat. No. 219007) for Bax-mediated apoptosis (~50-200 µM). Also effectively blocks caspase-independent necrotic cell death. Shown to be Ku70 competitive, interact with Bax, prevent its conformational change and mitochondrial translocation. Displays extended stability in culture medium (~3 days). Negative control peptide is also available (Cat. No. 196811).

A cell-permeable pentapeptide derived from the Ku70-Bax inhibiting domain that has been shown to offer protection against apoptosis in cells of human, mouse, rant, and porcine origin. Reported to function as effectively as the caspase inhibitor, Z-VAD-FMK (Caspase Inhibitor VI, Cat. No. 219007) for Bax-mediated apoptosis (~50-200 µM). Also reported to effectively block caspase-independent necrotic cell death. Shown to interact with Bax in a Ku70-competitive manner and prevent its conformational change and mitochondrial translocation. Displays extended stability in culture medium (~3 days).

Cell permeable: yes

Primary Target
Bax mediated apoptosis

Product does not compete with ATP.

Reversible: no

Target IC₅₀: 50-200 µM against Bax mediated apoptosis

Packaged under inert gas

Following reconstitution aliquot and freeze (-20°C). Stock solutions are stable for up to 3 months at -20°C. Storage in glass vials is not recommended as loss of activity may occur.

H-Val-Pro-Met-Leu-Lys-OH

Yoshida, T., et al. 2004. Biochem. Biophys. Res. Commun.321, 961.
Sawada, M., et al. 2003. Nature Cell Biol.5, 352.

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

Toxicity: Standard Handling (A)