ED50: <0.2 ng/ml, as determined by the dose-dependent stimulation of the proliferation of murine 2E8 cells, corresponding to a specific activity of >5.0×106 IU/mg.
Purity
>96% as determined by RP-HPLC and SDS-PAGE.
Product Form
Lyophilized
Concentration
1 mg/ml
Formulation
Lyophilized from Phosphate Buffered Saline, pH 7.4, with 2% Trehalose.
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.
