Molecular Weight：Approximately 18.5 kDa, a single non-glycosylated polypeptide chain containing 164 amino acids.
Synonyms：Hematopoietic growth factor KL, MGF, SCF
Accession：P21583
Biological Activity：Fully biologically active when compared to standard. The ED50 as determined by a cell proliferation assay using human TF-1 cells is less than 2 ng/ml, corresponding to a specific activity of > 5.0 × 105 IU/mg.
Purity：> 97 % by SDS-PAGE and HPLC analyses.
Formulation：Lyophilized from a 0.2 μm filtered concentrated solution in PBS, pH 7.4.
