Inhibition of cell proliferation for NFS-60 mouse myelogenous leukemia lymphoblast cells: ED50 = 0.07-0.28ng/mL; Specific activity = 3.57×10^6 ~ 1.43×10^7 units/mg.
Purity
>95% (by SDS-PAGE).
Product Form
Lyophilized
Concentration
Reconstitution dependent.
Formulation
Lyophilized from Phosphate Buffered Saline, pH 7.4 (0.22µm filter sterilized).
Endotoxin Level
<0.1 EU/µg of the protein by LAL method.
Storage
Shipped at 4°C. Lyophilized: Store at -20°C to -80°C up to 1 year from the date of receipt. Reconstituted: Aliquot and store at -20°C for 3 months or 2-8°C for up to 1 week. Avoid freeze/thaw cycles.