
- Express System: E.coli
- Product Tag: N-His
- Purity: >95% as determined by Bis-Tris PAGE
- Activity: Immobilized Human GDF15, His Tag at 0.5 ug/ml (100 ul/well) on the plate. Dose response curve for Human GFRAL, hFc Tag with the EC50 of 13.1 ng/ml determined by ELISA (QC Test). The affinity constant of 0.014 nM as determined in SPR assay (Biacore T200). See testing image for detail.
- Amino Acid Range: Ala197-Ile308