Human SMAC, also known as DIABLO, is a mitochondrial protein that acts as an activator of caspase by opposing the inhibitory activity of inhibitor of apoptosis proteins (IAP). This protein promotes apoptosis by activating caspases in the cytochrome c/Apaf-1/caspase-9 pathway and inhibits BIRC6/bruce activity by preventing its binding to caspases. This recombinant protein is expressed in E. coli cells and contains amino acids Ala 56 - Asp 239 with a C-terminal polyhistidine tag.
- Greater than 95% purity as determined by SDS-PAGE.
- Calculated molecular weight of 21.7 kDa.
- Lyophilized from a 0.22 μm filtered solution in 20 mM HEPES, 150 mM NaCl, pH 7.5 with trehalose.
- Stable for 12 months in lyophilized state at -20°C to -70°C.
- Validated for technical research applications.