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Product Details
Synonyms
IL2, TCGF, lymphokine, Interleukin 2
Source
Human IL-2 Protein, Fc Tag (IL2-H5269) is expressed from human 293 cells (HEK293). It contains AA Ala 21 - Thr 153 (Accession # P60568-1).
Predicted N-terminus: Ala 21
Request for sequenceMolecular Characterization
Other Tags and Version Biotin & Other Labeled Version
This protein carries a human IgG1 Fc tag at the N-terminus.
The protein has a calculated MW of 41.9 kDa. The protein migrates as 45-50 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
>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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Data Display
SDS-PAGE
Human IL-2 Protein, Fc Tag 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 Human IL-2 Protein, Fc Tag (Cat. No. IL2-H5269) is more than 95% and the molecular weight of this protein is around 80-98 kDa verified by SEC-MALS.
Report
Bioactivity-ELISA
Immobilized Human IL-2 R alpha, His Tag (Cat. No. ILA-H52H9) at 5 μg/mL (100 μL/well) can bind Human IL-2 Protein, Fc Tag (Cat. No. IL2-H5269) with a linear range of 0.1-2 ng/mL (QC tested).
Protocol
Immobilized Human IL-2 Protein, Fc Tag (Cat. No. IL2-H5269) at 5 μg/mL (100 μL/well) can bind Biotinylated Human IL-2 R alpha, His,Avitag (Cat. No. ILA-H82E6) with a linear range of 0.3-20 ng/mL (Routinely tested).
Protocol
Immobilized Human IL-2 Protein, Fc Tag (Cat. No. IL2-H5269) at 5 μg/mL (100 μL/well) can bind Biotinylated Human IL-2 R beta, His,Avitag (Cat. No. ILB-H82E3) with a linear range of 0.005-1.25 μg/mL (Routinely tested).
Protocol
Bioactivity-BLI
Loaded Human IL-2 Protein, Fc Tag (Cat. No. IL2-H5269) on Protein A Biosensor, can bind Mouse IL-2RB&IL-2RG Heterodimer Protein, His Tag&Twin-Strep Tag (Cat. No. ILG-M5283) with an affinity constant of 24.6 nM as determined in BLI assay (ForteBio Octet R8) (Routinely tested).
Protocol
User Reviews Publish Comment
Background Introduction
Frontier Progress
Drug Development Progress- English Name：
Interleukin-2
- Category：
- Listed Drugs Count：
2 Details
- Clinical Drugs Count：
46 Details
- Highest R&D Stage：
Approved
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