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Human IL-2RB&IL-2RA&IL-2RG, Fc Tag&Fc Tag is produced by co-expression of IL-2RB and IL-2RA and IL-2RG, has a calculated MW of 51.1 kDa (IL-2RB) and 75.4 kDa (IL-2RA&IL-2RG). Subunit IL-2RB is fused with a human IgG1 Fc tag at the C-terminus and subunit IL-2RA&IL-2RG is fused with a human IgG1 Fc tag at the C-terminus. The reducing (R) protein migrates as 60-66 kDa and 100-116 kDa respectively due to glycosylation.
>95% 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:
Human IL-2RB&IL-2RA&IL-2RG, Fc Tag&Fc Tag 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 Human IL-2RB&IL-2RA&IL-2RG, Fc Tag&Fc Tag (Cat. No. ILG-H5257) is more than 90% and the molecular weight of this protein is around 160-190 kDa verified by SEC-MALS.
Immobilized Biotinylated Human IL-2, His,Avitag (Cat. No. IL2-H82E4) at 1 μg/mL (100 μL/well) on streptavidin precoated (0.5 μg/well) plate can bind Human IL-2RB&IL-2RA&IL-2RG, Fc Tag&Fc Tag (Cat. No. ILG-H5257) with a linear range of 0.4-6 ng/mL (QC tested).
Immobilized Cynomolgus / Rhesus macaque IL-15, His Tag (Cat. No. IL5-C52H4) at 2 μg/mL (100 μL/well) can bind Human IL-2RB&IL-2RA&IL-2RG, Fc Tag&Fc Tag (Cat. No. ILG-H5257) with a linear range of 0.078-1.25 μg/mL (Routinely tested).
Human IL-2RB&IL-2RA&IL-2RG, Fc Tag&Fc Tag (Cat. No. ILG-H5257) captured on CM5 chip via Anti-human IgG Fc antibodies surface can bind Human IL-2, Tag Free with an affinity constant of 40.6 pM as determined in a SPR assay (Biacore 8K) (Routinely tested).
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