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This protein carries a human IgG1 Fc tag at the C-terminus, followed by an Avi tag (Avitag™).
The protein has a calculated MW of 52.0 kDa. The protein migrates as 65-80 kDa under reducing (R) condition (SDS-PAGE) due to glycosylation.
>95% as determined by SDS-PAGE.
>90% as determined by SEC-MALS.
Lyophilized from 0.22 μm filtered solution in 50 mM Tris, 100 mM Glycine, 25 mM Arginine, 150 mM NaCl, pH7.5 with trehalose as protectant.
Contact us for customized product form or formulation.
Please see Certificate of Analysis for specific instructions.
For best performance, we strongly recommend you to follow the reconstitution protocol provided in the CoA.
For long term storage, the product should be stored at lyophilized state at -20°C or lower.
Please avoid repeated freeze-thaw cycles.
This product is stable after storage at:
Biotinylated Human B7-1 Protein, Fc,Avitag, premium grade on SDS-PAGE under reducing (R) condition. The gel was stained with Coomassie Blue. The purity of the protein is greater than 95%.
The purity of Biotinylated Human B7-1 Protein, Fc,Avitag, premium grade (Cat. No. B71-H82F3) is more than 90% and the molecular weight of this protein is around 125-145 kDa verified by SEC-MALS.
Immobilized Human CTLA-4, Fc Tag (Cat. No. CT4-H5255) at 5 μg/mL (100 μL/well) can bind Biotinylated Human B7-1 Protein, Fc,Avitag, premium grade (Cat. No. B71-H82F3) with a linear range of 0.8-6 ng/mL (QC tested).
Serial dilutions of Ipilimumab were added into Human CTLA-4, Fc Tag (Cat. No. CT4-H5255): Biotinylated Human B7-1 Protein, Fc,Avitag, premium grade (Cat. No. B71-H82F3) binding reactions. The half maximal inhibitory concentration (IC50) is 0.34215 μg/mL (Routinely tested).
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