Product Name :
Recombinant Biotinylated Human Fc gamma RIIB/CD32b Protein,His-Avi Tag
Description :
Source Recombinant Biotinylated Human Fc gamma RIIB/CD32b Protein is expressed from HEK293 with His tag and Avi tag at the C-terminal. It contains Ala46-Pro217. [Uniprot|P31994-1] Molecular Weight The protein has a predicted MW of 22.5 kDa. Due to glycosylation, the protein migrates to 32-37 kDa based on Tris-Bis PAGE result. 内毒素Endotoxin Less than 1EU per g by the LAL method. Purity > 95% as determined by Tris-Bis PAGEand HPLC Activity SPR Data: Biotinylated Human Fc gamma RIIB, His-Avi Tag captured on CM5 Chip via Anti-his antibody can bind Rituximab with an affinity constant of 5.87 M as determined in SPR assay. SPR Data: Rituximab captured on CM5 Chip via Protein A can bind Biotinylated Human Fc gamma RIIB, His-Avi Tag with an affinity constant of 3.97 M as determined in SPR assay Formulation Lyophilized from 0.22m filtered solution in PBS (pH 7.4). Normally 5% trehalose is added as protectant before lyophilization. Reconstitution Centrifuge tubes before opening. Reconstituting to a concentration more than 100 g/ml is recommended. Dissolve the lyophilized protein in distilled water.
Storage :
The product should be stored at -25~-15℃ for 1 year from date of receipt. 2-7 days, 2 ~8 °C under sterile conditions after reconstitution. 3 months, -25~-15℃ under sterile conditions after reconstitution. Recommend to aliquot the protein into smaller quantities when first used and avoid repeated freeze-thaw cycles.
Related category websites: https://www.medchemexpress.com/recombinant-proteins.html
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