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Your Position: Home > Protein > IL-2 R beta > ILB-H5253

Human IL-2 R beta / CD122 Protein, Fc Tag (MALS & SPR verified)

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  • Synonym
    IL2RB,RP5-1170K4.6,CD122,P70-75
  • Source
    Human IL-2 R beta, Fc Tag(ILB-H5253) is expressed from human 293 cells (HEK293). It contains AA Ala 27 - Asp 239 (Accession # NP_000869.1 ).
    Predicted N-terminus: Ala 27
  • Molecular Characterization
    IL-2 R beta Structure

    This protein carries a human IgG1 Fc tag at the C-terminus

    The protein has a calculated MW of 51.0 kDa. The protein migrates as 60-65 kDa under reducing (R) condition (SDS-PAGE) due to glycosylation.

  • Endotoxin
    Less than 1.0 EU per μg by the LAL method.
  • Purity

    >95% as determined by SDS-PAGE.

  • Formulation

    Lyophilized from 0.22 μm filtered solution in 50 mM Tris, 100 mM Glycine, 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:

    1. -20°C to -70°C for 12 months in lyophilized state;
    2. -70°C for 3 months under sterile conditions after reconstitution.
SDS-PAGE
IL-2 R beta SDS-PAGE

Human IL-2 R beta, 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%.

SEC-MALS
IL-2 R beta MALS images

The purity of Human IL-2 R beta, Fc Tag (Cat. No. ILB-H5253) is more than 85% and the molecular weight of this protein is around 120-135 kDa verified by SEC-MALS.

Bioactivity-ELISA
 IL-2 R beta ELISA

Immobilized Human IL-15, premium grade (Cat. No. IL5-H4117) at 5 μg/mL (100 μL/well) can bind Human IL-2 R beta, Fc Tag (Cat. No. ILB-H5253) with a linear range of 5-156 ng/mL (Routinely tested).

 IL-2 R beta ELISA

Immobilized Biotinylated Human IL-2, His,Avitag (Cat. No. IL2-H82E4) at 1 μg/mL (100 μL/well) on streptavidin (Cat. No. STN-N5116) precoated (0.5 μg/well) plate can bind Human IL-2 R beta, Fc Tag (Cat. No. ILB-H5253) with a linear range of 0.3-2 ng/mL (Routinely tested).

Bioactivity-SPR
 IL-2 R beta SPR

Human IL-2 R beta, Fc Tag (Cat. No. ILB-H5253) captured on CM5 chip via anti-human IgG Fc antibody can bind IL-2, Tag Free with an affinity constant of 0.473 μM as determined in a SPR assay (Biacore T200) (QC tested).

  • Background
    Interleukin-2 receptor (IL-2R) is a heterotrimeric protein expressed on the surface of certain immune cells, such as lymphocytes, that binds and responds to a cytokine called IL-2. The IL-2R is made up of 3 subunits - α (CD25), β (CD122) and γ (CD132) - non-covalently associating. The α and β chains are involved in binding IL-2, while signal transduction following cytokine interaction is carried out by the γ-chain, along with the β subunit.
    CD122 is also known as IL2R beta, is a member of the type I cytokine receptor family. CD122 is the receptor for interleukin-2 and is involved in receptor mediated endocytosis and transduces the mitogenic signals of IL2.
  • Clinical and Translational Updates

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Price(USD) : $350.00

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