Biological Activity:Fully biologically active when compared to standard. The ED50 as determined by the dose-dependant prolifiration of Murine HT-2 cells is less then 2 ng/ml, corresponding to a Specific Activity of > 5 × 105 IU/mg.
Purity:> 97 % by SDS-PAGE and HPLC analyses.
Formulation:Lyophilized from a 0.2 µm filtered solution in PBS, pH 7.4.