IL4 Protein LS-G16783 is Recombinant Human IL4 in Hamster-Chinese It is biologically active
Interleukin-4 Human Recombinant produced in CHO is a single, non-glycosylated polypeptide chain containing 129 amino acids and having a molecular mass of 14 kDa, the glycosilation of IL-4 migrates as 18 kDa on SDS-PAGE.The IL-4 is purified by proprietary chromatographic techniques.
Greater than 97% by SDS-PAGE and RP-HPLC
Measured in a cell proliferation assay using TF-1 cells. The ED50 for this effect is 0.05-0.2 ng/ml corresponding to a Specific Activity of 5,000,000-20,000,000 IU/mg.
Lyophilized from PBS, pH 7.4
Store at -20°C. Store at 4°C after reconstitution between 2-7 days. Carrier protein recommended for long term storage or low concentration. Avoid multiple freeze-thaw cycles.
For research use only.