Recombinant protein corresponding to 68aa from human Stromal Cell Derived Factor 1 alpha expressed in E. coli.
Biological Activity:ED50 Range= 5-15ng/ml determined by concentration dependent chemotaxis with human peripheral mononuclear cells culture with IL-2.
Specific Activity:2.0x10e5-6.7x10e4 units/mg
Storage and Stability:Lyophilized powder may be stored at -20°C. Stable for 12 months at -20°C. Reconstitute with sterile dH2O. Aliquot to avoid repeated freezing and thawing. Store at -20°C. For maximum recovery of product, centrifuge the original vial after thawing and prior to removing the cap.