Product Details
Synonym
IL6R, CD126, IL-6R-1, IL-6RA, IL6RA, IL-6R-alpha, IL6RQ, gp80
Source
Biotinylated Human IL-6 R alpha, Fc,Avitag (ILR-H82F9) is expressed from human 293 cells (HEK293). It contains AA Leu 20 - Pro 365 (Accession # P08887-1).
Predicted N-terminus: Leu 20
Request for sequenceMolecular Characterization

Other Tags and Version Biotin & Other Labeled Version
This protein carries a human IgG1 Fc tag at the C-terminus, followed by an Avi tag (Avitag™).
The protein has a calculated MW of 66.7 kDa. The protein migrates as 100-110 kDa 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.
Formulation
Lyophilized from 0.22 μm filtered solution in 50 mM Tris, 100 mM Glycine, 25 mM Arginine, 150 mM NaCl, pH7.5 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-6 R alpha, 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%.
Bioactivity-ELISA

Immobilized Human IL-6, premium grade (Cat. No. IL6-H4218) at 5 μg/mL (100 μL/well) can bind Biotinylated Human IL-6 R alpha, Fc,Avitag (Cat. No. ILR-H82F9) with a linear range of 0.3-20 ng/mL (QC tested).
Protocol
Immobilized Human gp130, His Tag (Cat. No. ILT-H52H2) at 5 μg/mL (100 μL/well) can bind Human IL-6, premium grade (Cat. No. IL6-H4218) in the presence of Biotinylated Human IL-6 R alpha, Fc,Avitag (Cat. No. ILR-H82F9) with a linear range of 0.6-20 ng/mL (Routinely tested).
Protocol
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Background
Recent Advances
- English Name:
Interleukin-6 receptor alpha subunit
- Category:
- Approved Drugs:
8 Details
- Drugs in Clinical Trials:
9 Details
- Highest Development Stage:
Approved
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