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Based on the high binding affinity between biotin-streptavidin systems, our Streptavidin series products are recommended to use together with biotinylated proteins to get lower non-specific binding results in a shorter time.
This protein carries a polyhistidine tag at the C-terminus, followed by an Avi tag (Avitag™)
The protein has a calculated MW of 50 kDa. The protein migrates as 66-90 kDa under reducing (R) condition (SDS-PAGE) due to glycosylation.
>90% as determined by SDS-PAGE.
>90% as determined by SEC-MALS.
Lyophilized from 0.22 μm filtered solution in PBS, pH7.4 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 IFN-alpha / beta R1 Protein, His,Avitag on SDS-PAGE under reducing (R) condition. The gel was stained with Coomassie Blue. The purity of the protein is greater than 90%.
The purity of Biotinylated Human IFN-alpha / beta R1 Protein, His,Avitag (Cat. No. IF1-H82E3) is more than 90% and the molecular weight of this protein is around 70-90 kDa verified by SEC-MALS.
Biotinylated Human IFN-alpha / beta R1 Protein, His,Avitag (Cat. No. IF1-H82E3) captured on Biotin CAP-Series S Sensor Chip can bind Human IFN-alpha 1, Fc Tag (Cat. No. IFA-H5258) with an affinity constant of 0.177 μM as determined in a SPR assay (Biacore 8K) (QC tested).
Please contact us via TechSupport@acrobiosystems.com if you have any question on this product.
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