Product Details
Synonyms
IL-12 R beta 1, IL12RB1, CD212, IL12R, IL12RB, IL-12RB1
Source
Human IL-12 R beta 1, Fc Tag (ILB-H5255) is expressed from human 293 cells (HEK293). It contains AA Cys 24 - Glu 540 (Accession # P42701-1).
Predicted N-terminus: Cys 24
Request for sequenceMolecular Characterization

Other Tags and Version Biotin & Other Labeled Version
This protein carries a human IgG1 Fc tag at the C-terminus.
The protein has a calculated MW of 83.5 kDa. The protein migrates as 95-110 kDa when calibrated against Star Ribbon Pre-stained Protein Marker under reducing (R) condition (SDS-PAGE) due to glycosylation.
Endotoxin
Less than 1.0 EU per μg by the LAL method / rFC method.
Purity
>90% 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

Human IL-12 R beta 1, Fc Tag 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 Human IL-12 R beta 1, Fc Tag (Cat. No. ILB-H5255) is more than 95% and the molecular weight of this protein is around 180-230 kDa verified by SEC-MALS.
Report
Bioactivity-ELISA

Immobilized Human IL-12B, His Tag (Cat. No. NK2-H52H7) at 5 μg/mL (100 μL/well) can bind Human IL-12 R beta 1, Fc Tag (Cat. No. ILB-H5255) with a linear range of 4-63 ng/mL (QC tested).
Protocol
Bioactivity-SPR

Human IL-12 R beta 1, Fc Tag (Cat. No. ILB-H5255) captured on CM5 chip via Anti-human IgG Fc antibodies surface can bind Human IL-12B&IL-12A Heterodimer Protein, His Tag&Flag Tag (Cat. No. IL2-H4210) with an affinity constant of 2.06 nM as determined in a SPR assay (Biacore T200) (Routinely tested).
Protocol
Bioactivity-BLI

Loaded Human IL-12 R beta 1, Fc Tag (Cat. No. ILB-H5255) on Protein A Biosensor, can bind Human IL-12B, His Tag (Cat. No. NK2-H52H7) with an affinity constant of 7.14 nM as determined in BLI assay (ForteBio Octet Red96e) (Routinely tested).
Protocol
Loaded Human IL-12B&IL-12A Heterodimer Protein, His Tag&Flag Tag (Cat. No. IL2-H4210) on HIS1K Biosensor, can bind Human IL-12 R beta 1, Fc Tag (Cat. No. ILB-H5255) with an affinity constant of 32.3 nM as determined in BLI assay (ForteBio Octet Red96e) (Routinely tested).
Protocol
Customer Reviews Writing Reviews

Background
Recent Advances
- English Name:
Interleukin-12 receptor
- Category:
- Approved Drugs:
0 Details
- Drugs in Clinical Trials:
9 Details
- Highest Development Stage:
Phase 2 Clinical
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