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Product Details
Synonym
IL-2 R beta & IL-2 R gamma, IL-2RB & IL-2RG
Source
Biotinylated Human IL-2RB&IL-2RG Heterodimer Protein, Fc,Avitag&Fc,Avitag (ILG-H82F3) is expressed from human 293 cells (HEK293).
Predicted N-terminus: Ala 27 (IL-2RB) & Leu 23 (IL-2RG)
Request for sequenceMolecular Characterization
Other Tags and Version Biotin & Other Labeled Version
Biotinylated Human IL-2RB&IL-2RG Heterodimer Protein, Fc,Avitag&Fc,Avitag is produced by co-expression of IL-2RB and IL-2RG, has a calculated MW of 52.8 kDa (IL-2RB) and 55.3 kDa (IL-2RG). Subunit IL-2RB is fused with a human IgG1 Fc tag at the C-terminus, followed by an Avi tag (Avitag™) and subunit IL-2RG is fused with a human IgG1 Fc tag at the C-terminus, followed by an Avi tag (Avitag™). The protein migrates as 60-66 kDa and 80-90 kDa when calibrated against Star Ribbon Pre-stained Protein Marker under reducing (R) condition (SDS-PAGE) due to glycosylation.
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
>95% as determined by SDS-PAGE.
>95% as determined by SEC-MALS.
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-2RG Heterodimer Protein, Fc,Avitag&Fc,Avitag on SDS-PAGE under reducing (R) condition. The gel was stained with Coomassie Blue. The purity of the protein is greater than 95% (With Star Ribbon Pre-stained Protein Marker).
SEC-MALS
The purity of Biotinylated Human IL-2RB&IL-2RG Heterodimer Protein, Fc,Avitag&Fc,Avitag (Cat. No. ILG-H82F3) is more than 95% and the molecular weight of this protein is around 135-155 kDa verified by SEC-MALS.
Report
Bioactivity-ELISA
Immobilized Biotinylated Human IL-2RB&IL-2RG Heterodimer Protein, Fc,Avitag&Fc,Avitag (Cat. No. ILG-H82F3) at 5 μg/mL (100 μL/well) can bind Human IL-2, premium grade (Cat. No. IL2-H5215) with a linear range of 10-312 ng/mL (QC tested).
Protocol
Immobilized Human IL-15, premium grade (Cat. No. IL5-H4117) at 5 μg/mL (100 μL/well) can bind Biotinylated Human IL-2RB&IL-2RG Heterodimer Protein, Fc,Avitag&Fc,Avitag (Cat. No. ILG-H82F3) with a linear range of 0.039-0.625 μg/mL (Routinely tested).
Protocol
Bioactivity-SPR
Biotinylated Human IL-2RB&IL-2RG Heterodimer Protein, Fc,Avitag&Fc,Avitag (Cat. No. ILG-H82F3) captured on Biotin CAP-Series S Sensor Chip can bind Human IL-2 Protein, Tag Free (Cat. No. IL2-H5215) with an affinity constant of 6.50 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 receptor subunit gamma
- Category：
- Approved Drugs：
0 Details
- Drugs in Clinical Trials：
14 Details
- Highest Development Stage：
Phase 2 Clinical
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