Molecular Weight：Approximately 17.2 kDa, a single non-glycosylated polypeptide chain containing 149 amino acids.
Synonyms：T-cell growth factor, TCGF, Aldesleukin
Accession：P04351
Biological Activity：Fully biologically active when compared to standard. The ED50 as determined by a cell proliferation assay using murine CTLL-2 cells is less than 0.2 ng/ml, corresponding to a specific activity of > 5.0 × 106 IU/mg.
Purity：> 95 % by SDS-PAGE and HPLC analyses.
Formulation：Lyophilized from a 0.2 µm filtered solution in PBS, pH 7.4.
