Synonyms HUSI-1;ALP; WAP4; MPI Source Human SLPI Protein is expressed from HEK293 with hFc tag at the C-Terminus. It contains Ser26-Ala132.[Accession | P03973] Molecular Weight The protein has a predicted MW of 38.5 kDa. Due to glycosylation, the protein migrates to 40-50 kDa based on SDS-PAGE result. Endotoxin Less than 1EU per μg by the LAL method. Purity > 95% as determined by SDS-PAGE and HPLC Activity ELISA Data: Immobilized Human SLPI, hFc Tag at 2μg/ml (100μl/Well) on the plate. Dose response curve for Biotinylated Anti-SLPI Antibody, hFc Tag with the EC50 of 0.47μg/ml determined by ELISA. Formulation Supplied as 0.22μm filtered solution in PBS, 350mM NaCl (pH 7.4). 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.