Product Details
Synonym
IL-12 R beta 2, IL12RB2, IL-12RB2, IL-12R-beta-2
Source
Biotinylated Human IL-12 R beta 2 Protein, His,Avitag (ILB-H82E4) is expressed from human 293 cells (HEK293). It contains AA Lys 24 - Asn 622 (Accession # Q99665-1).
Predicted N-terminus: Lys 24
Request for sequenceMolecular Characterization

Other Tags and Version Biotin & Other Labeled Version
This protein carries a polyhistidine tag at the C-terminus, followed by an Avi tag (Avitag™).
The protein has a calculated MW of 71.7 kDa. The protein migrates as 90-100 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
>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-12 R beta 2 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% (With Star Ribbon Pre-stained Protein Marker).
SEC-MALS

The purity of Biotinylated Human IL-12 R beta 2 Protein, His,Avitag (Cat. No. ILB-H82E4) is more than 85% and the molecular weight of this protein is around 85-115 kDa verified by SEC-MALS.
Report
Bioactivity-ELISA

Immobilized Biotinylated Human IL-12 R beta 2 Protein, His,Avitag (Cat. No. ILB-H82E4) at 1 μg/mL (100 μL/well) on streptavidin (Cat. No. STN-N5116) precoated (0.5 μg/well) plate can bind Human IL-12B&IL-12A Heterodimer Protein, His Tag&Flag Tag (Cat. No. IL2-H4210) with a linear range of 1.2-20 ng/mL (QC tested).
Protocol
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