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Limited Edition Golden Llama is here! Check out how you can get one. 
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Biotinylated Human IL-2RB&IL-2RA&IL-2RG, His,Avitag&Twin Strep Tag is produced by co-expression of IL-2RB and IL-2RA and IL-2RG, has a calculated MW of 31.5 kDa (IL-2RB) & 55.8 kDa (IL-2RA&IL-2RG). Subunit IL-2RB is fused with a his tag at the C-terminus, followed by a Avi tag (Avitag™) and subunit IL-2RA&IL-2RG is fused with a Twin-Strep Tag at the C-terminus. The reducing (R) protein migrates as 44 kDa,46 kDa and 80-90 kDa respectively due to glycosylation.
>90% as determined by SDS-PAGE.
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 IL-2RB&IL-2RA&IL-2RG, His,Avitag&Twin Strep Tag 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 IL-2RB&IL-2RA&IL-2RG, His,Avitag&Twin Strep Tag (Cat. No. ILG-H82W9) is more than 85% and the molecular weight of this protein is around 155-190 kDa verified by SEC-MALS.
Immobilized Human IL-2 Protein, Fc Tag (Cat. No. IL2-H5269) at 5 μg/mL (100 μL/well) can bind Biotinylated Human IL-2RB&IL-2RA&IL-2RG, His,Avitag&Twin Strep Tag (Cat. No. ILG-H82W9) with a linear range of 0.3-39 ng/mL (QC tested).
Biotinylated Human IL-2RB&IL-2RA&IL-2RG, His,Avitag&Twin Strep Tag (Cat. No. ILG-H82W9) captured on Biotin CAP-Series S Sensor Chip can bind Human IL-2 Protein, Tag Free with an affinity constant of 35.1 pM as determined in a SPR assay (Biacore 8K) (Routinely tested).
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