Biotinylated Human CD20/MS4A1 Protein, His-Avi Tag

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Specifications Source Recombinant Biotinylated Human CD20/MS4A1 Protein is expressed from E.coli with His tag and Avi tag at the C-terminal. It contains Ile141-Ser188.[Accession | P11836-1] Molecular Weight The protein has a predicted MW of 16.8 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 Biotinylated Human CD20, His Tag at 1μg/ml (100μl/well) on the streptavidin precoated plate (5μg/ml). Dose response curve for Anti-CD20 Antibody, hFc Tag with the EC50 of 87.3ng/ml determined by ELISA. Formulation Supplied as 0.22μm filtered solution in 20mM PB ,10% glycerol (pH 7.0). 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. Show more