IL-15, Human
IL-15, Human

Measured in a cell proliferation assay using CTLL-2 cells. The ED50 for this effect is 0.1 - 0.3 ng/mL. The specific activity of recombinant human IL-15 is > 1 × 10^7 units/mg, which is calibrated against the human IL-15 reference standard (NIBSC code: 95/554) (QC Test).

IL-15, Human

Immobilized IL-15, Human, No Tag at 2 μg/ml (100 μI/well) on the plate. Dose response curve for Human IL-15RA, His Tag with the EC50 of 14.7ng/ml determined by ELISA.

IL-15, Human

The purity of IL-15, Human is greater than 95% as determined by SEC-HPLC.

IL-15, Human

IL-15, Human on Bis-Tris PAGE under reduced condition. The purity is greater than 95%.

IL-15, Human

Human IL-2 R beta, His Tag captured on CM5 Chip via Anti-His Antibody can bind IL-15, Human, No Tag with an affinity constant of 5.9 nM as determined in SPR assay (Biacore T200).

IL-15, Human

Interleukin 15 (IL-15) is a widely expressed 14 kDa cytokine that is structurally and functionally related to IL-2 and plays an important role in many immunological diseases. IL-15 is a cytokine that stimulates the proliferation of T-lymphocytes. Stimulation by IL15 requires interaction of IL15 with components of the IL2 receptor, including IL2RB and probably IL2RG but not IL2RA.
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Product Introduction
Species Human
Protein Construction
IL-15 (Asn49-Ser162)
Accession # P40933
Purity > 95% as determined by Bis­Tris PAGE 
Endotoxin Level Less than 0.05EU per μg by the LAL method.
Biological Activity Measured in a cell proliferation assay using CTLL­2 cells. Test result was comparable to standard batch.
Expression System E.coli
Theoretical Molecular Weight 12.8 kDa
Apparent Molecular Weight The protein has a predicted MW of 12.8 kDa same as Bis-Tris PAGE result.
Formulation Lyophilized from 0.22 μm filtered solution in 20 mM Tris, 150 mM NACI (pH 7.5).
Reconstitution Centrifuge the tube before opening. Reconstituting to a concentration more than 100 μg/ml is recommended. Dissolve the lyophilized protein in distilled water.
Storage & Stability Upon receiving, the product remains stable for 6 months at -20℃ or below. Upon reconstitution, the product should be stable for 3 months at -80℃. Avoid repeated freeze-thaw cycles.

Examples
  • IL-15, Human
    • IL-15, Human

    Measured in a cell proliferation assay using CTLL-2 cells. The ED50 for this effect is 0.1 - 0.3 ng/mL. The specific activity of recombinant human IL-15 is > 1 × 10^7 units/mg, which is calibrated against the human IL-15 reference standard (NIBSC code: 95/554) (QC Test).

  • IL-15, Human
    • IL-15, Human

    Immobilized IL-15, Human, No Tag at 2 μg/ml (100 μI/well) on the plate. Dose response curve for Human IL-15RA, His Tag with the EC50 of 14.7ng/ml determined by ELISA.

  • IL-15, Human
    • IL-15, Human

    The purity of IL-15, Human is greater than 95% as determined by SEC-HPLC.

  • IL-15, Human
    • IL-15, Human

    IL-15, Human on Bis-Tris PAGE under reduced condition. The purity is greater than 95%.

  • IL-15, Human
    • IL-15, Human

    Human IL-2 R beta, His Tag captured on CM5 Chip via Anti-His Antibody can bind IL-15, Human, No Tag with an affinity constant of 5.9 nM as determined in SPR assay (Biacore T200).


Background
Target Background Interleukin 15 (IL-15) is a widely expressed 14 kDa cytokine that is structurally and functionally related to IL-2 and plays an important role in many immunological diseases. IL-15 is a cytokine that stimulates the proliferation of T-lymphocytes. Stimulation by IL15 requires interaction of IL15 with components of the IL2 receptor, including IL2RB and probably IL2RG but not IL2RA.
Synonyms L15; IL-15; IL-15MGC9721; Interleukin-15

For research use only. Not intended for human or animal clinical trials, therapeutic or diagnostic use.