Source Recombinant Human CHRDL1 Protein is expressed from E.coli with His tag at the N-terminal. It contains Glu28-Cys456.[Accession | Q9BU40-1] Molecular Weight The protein has a predicted MW of 50 kDa same as Tris-Bis PAGE result. Endotoxin Less than 1EU per μg by the LAL method. Purity > 95% as determined by Tris-Bis PAGE Activity ELISA Data: Immobilized Human CHRDL1, His Tag at 1μg/ml (100μl/Well) on the plate. Dose response curve for Anti-CHRDL1 Antibody, hFc Tag with the EC50 of 33.8ng/ml determined by ELISA. Formulation Supplied as 0.22μm filtered solution in 4mM HCl (pH 4.0). Storage The product should be stored at -85~-65℃ for 1 year from date of receipt. Recommend to aliquot the protein into smaller quantities when first used and avoid repeated freeze-thaw cycles. Note 1.Please operate with lab coats and disposable gloves for your safety. 2.This product is for research use only.