IL4; interleukin-4; Il-4; BSF-1;
Lyophilized from sterile PBS, pH 7.4.
The ED50 as determined by the dose-dependant prolifiration of Murine HT-2 cells is less then 2 ng/ml, corresponding to a Specific Activity of> 5 × 10^5 IU/mg.
Recombinant Mouse Il4 Protein is a single non-glycosylated polypeptide chain and has a molecular mass of approximately 13.5 kDa.
MHIHGCDKNH LREIIGILNE VTGEGTPCTE MDVPNVLTAT KNTTESELVC RASKVLRIFY LKHGKTPCLK KNSSVLMELQ RLFRAFRCLD SSISCTMNES KSTSLKDFLE SLKSIMQMDY S
< 1.0 EU per 1 microgram of protein (determined by LAL method).
> 97 % by SDS-PAGE.