
- Express System: HEK293
- Product Tag: C-His
- Purity: > 95% as determined by Bis-Tris PAGE;> 95% as determined by HPLC
- Activity: Immobilized Cynomolgus IL-4, His Tag at 1ug/ml (100ul/well) on the plate. Dose response curve for Human IL-4 R alpha, hFc Tag with the EC50 of 5.5ng/ml determined by ELISA (QC Test). The affinity constant of 13.48 nM as determined in SPR assay (Biacore T200). See testing image for detail.
- Amino Acid Range: His25-Ser153