ED50 < 0.1 ng/mL, measured in a mitogenic assay using quiescent NR6R-3T3 fibroblasts, corresponding to a Specific Activity of 3 x 106Units/mg.
Storage Buffer:
Protein(1 mg/mL) was lyophilized from a solution containing 1% HSA. Reconstitute the lyophilized powder in ddH2O to 100 ug/mL.
Storage Instruction:
Lyophilized protein at room temperature for 3 weeks, should be stored at -20°C. Protein aliquots at 4°C for 2-7 days and should be stored at -20°C to -80°C. Avoid repeated freeze/thaw cycles.