Human BAFF/TNFSF13B/CD257 Trimer Protein, His-Flag Tag

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Product Properties Synonyms CD257;TNFSF20;BLyS;BAFF Source Human BAFF/TNFSF13B/CD257 Trimer Protein is expressed from HEK293 with His tag and Flag tag at the N-Terminus. It contain s Thr141-Leu285.[Accession | Q9Y275-1] Molecular Weight The protein has a predicted MW of 52.4 kDa. Due to glycosylation, the protein migrates to 53-60 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 BAFF Trimer, His Tag at 1μg/ml (100μl/well) on the plate. Dose response curve for Human TACI, hFc Tag with the EC50 of 3.0ng/ml determined by ELISA .ELISA Data: Immobilized Human BAFF Trimer, His Tag at 1μg/ml (100μl/well). Dose response curve for Human BAFFR, hFc Tag with the EC50 of 37.8ng/ml determined by ELISA. Formulation Lyophilized from 0.22μm filtered solution in PBS (pH 7.4). Normally 8% trehalose is added as protectant before lyophilization. Reconstitution Centrifuge the tube before opening. Reconstituting to a concentration more than 100 μg/ml is recommended. Dissolve the lyophilized protein in distilled water. Storage 1.The product should be stored at -25~-15℃ for 1 year from date of receipt. 2.2-7 days, 2 ~ 8 °C under sterile conditions after reconstitution. 3.3 -6 months, -85~-65℃ under sterile conditions after reconstitution. 4.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