The activity as calculated by the dose-dependant proliferation of BALB/3T3 cells was found to be less than 1 ng/ml corresponding to a specific activity of 1,000,000 U/mg.
Purity
>95% as determined by SDS-PAGE.
Product Form
Lyophilized
Concentration
Reconstitution dependent.
Formulation
Lyophilized from a solution containing 5 mM Sodium Phosphate and 50 mM Sodium Chloride, pH 7.5.
Storage
Shipped at ambient temperature. Lyophilized: Short term (3 weeks) store at 25°C. Long term store desiccated below -18°C. Reconstituted: Short term (2-7 days) store at 4°C. Long term store below -18°C, it is recommended to add a carrier protein (0.1% HSA or BSA). Avoid freeze/thaw cycles.