Product and properties Synonyms PD-L1;CD274;B7-H; PD-L1B7 homolog 1 Source Biotinylated Cynomolgus/Rhesus macaque PD-L1/B7-H1 Protein (Primary Amine Labeling) is expressed from HEK293 with His tag at the C-Terminus. It contains Phe19-Arg238.[Accession | G7PSE7] Molecular Weight The protein has a predicted MW of 26 kDa. Due to glycosylation, the protein migrates to 35-40 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 Biotinylated Cynomolgus/Rhesus macaque PD-L1, His Tag at 0.5μg/ml (100μl/Well) on the plate. Dose response curve for Anti-PD-L1 Antibody, hFc Tag with the EC50 of 4.0ng/ml determined by ELISA. Formulation Supplied as 0.22μm filtered solution in PBS (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.