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Product Details
Synonyms
IL-2 R beta & IL-2 R alpha & IL-2 R gamma
Source
Biotinylated Human IL-2RB&IL-2RA&IL-2RG, His,Avitag&Twin Strep Tag (ILG-H82W9) is expressed from human 293 cells (HEK293). It contains AA Ala 27 - Asp 239 (IL-2RB) & Glu 22 - Ser 212 (IL-2RA) & Leu 23 - Asn 254 (IL-2RG) (Accession # P14784-1 (IL-2RB) & P01589-1 (IL-2RA) & P31785-1 (IL-2RG)).
Predicted N-terminus: Ala 27 (IL-2RB) & Glu 22 (IL-2RA)
Request for sequenceMolecular Characterization
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.
The protein is designed as a heterotrimer.
Labeling
Biotinylation of this product is performed using Avitag™ technology. Briefly, the single lysine residue in the Avitag is enzymatically labeled with biotin.
Protein Ratio
Passed as determined by the HABA assay / binding ELISA.
Purity
>90% as determined by SDS-PAGE.
Formulation
Lyophilized from 0.22 μm filtered solution in PBS, pH7.4 with trehalose as protectant.
Contact us for customized product form or formulation.
Reconstitution
Please see Certificate of Analysis for specific instructions.
For best performance, we strongly recommend you to follow the reconstitution protocol provided in the CoA.
Storage
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:
- -20°C to -70°C for 12 months in lyophilized state;
- -70°C for 3 months under sterile conditions after reconstitution.
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Performance Data
SDS-PAGE
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%.
SEC-MALS
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.
Report
Bioactivity-ELISA
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).
Protocol
Bioactivity-SPR
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).
Protocol
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Background
Recent Advances
Drug Development Progress- English Name：
Interleukin-2
- Category：
- Approved Drugs：
2 Details
- Drugs in Clinical Trials：
43 Details
- Highest Development Stage：
Approved
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