IL4 Protein LS-G16863 is Recombinant Rat IL4 in E. coli It is biologically active
Interleukin-4 Rat Recombinant produced in E.Coli is a single, non-glycosylated polypeptide chain containing 126 amino acids and having a molecular mass of 14kDa. The IL-4 is purified by proprietary chromatographic techniques.
Greater than 95% by SDS-PAGE and RP-HPLC
The ED50 as determined in a cell proliferation assay using rat splenocytes is less than 2 ng/ml corresponding to a specific activity of 500,000 IU/mg.
Lyophilized from PBS, pH 7.4, 5% Trehalose
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.