Molecular Weight：Approximately 17.6 kDa, a single non-glycosylated polypeptide chain containing 155 amino acids.
Synonyms：Flt3L, SL Cytokine
Accession：P49771
Biological Activity：Fully biologically active when compared to standard. The ED50 as determined by a cell proliferation assay using human AML5 cells is less than 1.0 ng/ml, corresponding to a specific activity of > 1.0 × 106 IU/mg.
Purity：> 97 % by SDS-PAGE and HPLC analyses.
Formulation：Lyophilized from a 0.2 μm filtered concentrated solution in PBS, pH 7.0.
