IL-2, Human
IL-2, Human

Measured in a cell proliferation assay using CTLL‑2 mouse cytotoxic T cells. The ED50 for this effect is 0.5-2 ng/mL (QC Test).

IL-2, Human

The purity of IL-2, Human is greater than 95% as determined by SEC-HPLC.

IL-2, Human

IL-2, Human on Bis-Tris PAGE under reduced condition. The purity is greater than 95%.

IL-2, Human

Human IL-2 R alpha, His Tag captured on CM5 Chip via anti-his antibody can bind IL-2, Human, No Tag with an affinity constant of 16.82 nM as determined in SPR assay (Biacore T200).

IL-2, Human

Human IL-2 R beta, His Tag captured on CM5 Chip via Anti-His Antibody can bind IL-2, Human, No Tag with an affinity constant of 0.25μM as determined in SPR assay (Biacore T200).

IL-2, Human

Human IL-2 R beta&IL-2 R gamma, hFc Tag captured on CM5 Chip via Protein A can bind IL-2, Human, No Tag with an affinity constant of 0.114 nM as determined in SPR assay (Biacore T200).

IL-2, Human

Interleukin-2 (IL-2) is an interleukin, a type of cytokine signaling molecule in the immune system. It is a 15,5 - 16 kDa protein that regulates the activities of white blood cells (leukocytes, often lymphocytes) that are responsible for immunity. IL-2 has essential roles in key functions of the immune system, tolerance and immunity, primarily via its direct effects on T cells.
Z05470
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Product Introduction
Species Human
Protein Construction
IL-2 (Ala21-Thr153)
Accession # P60568
Purity > 95% as determined by Bis­Tris PAGE 
Endotoxin Level Less than 0.01EU per μg by the LAL method.
Biological Activity Measured in a cell proliferation assay using CTLL‑2 mouse cytotoxic T cells. Test result was comparable to standard batch.
Expression System E.coli
Theoretical Molecular Weight 15.5 kDa
Apparent Molecular Weight The protein has a predicted 15.5 kDa same as Bis-Tris PAGE result.
Formulation Lyophilized from 0.22μm filtered solution in 100mM Acetic Acid.
Reconstitution Centrifuge the tube before opening. Reconstituting to a concentration more than 100 μg/ml is recommended. Dissolve the lyophilized protein in 100mM Acetic Acid.
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-2, Human
    • IL-2, Human

    Measured in a cell proliferation assay using CTLL‑2 mouse cytotoxic T cells. The ED50 for this effect is 0.5-2 ng/mL (QC Test).

  • IL-2, Human
    • IL-2, Human

    The purity of IL-2, Human is greater than 95% as determined by SEC-HPLC.

  • IL-2, Human
    • IL-2, Human

    IL-2, Human on Bis-Tris PAGE under reduced condition. The purity is greater than 95%.

  • IL-2, Human
    • IL-2, Human

    Human IL-2 R alpha, His Tag captured on CM5 Chip via anti-his antibody can bind IL-2, Human, No Tag with an affinity constant of 16.82 nM as determined in SPR assay (Biacore T200).

  • IL-2, Human
    • IL-2, Human

    Human IL-2 R beta, His Tag captured on CM5 Chip via Anti-His Antibody can bind IL-2, Human, No Tag with an affinity constant of 0.25μM as determined in SPR assay (Biacore T200).

  • IL-2, Human
    • IL-2, Human

    Human IL-2 R beta&IL-2 R gamma, hFc Tag captured on CM5 Chip via Protein A can bind IL-2, Human, No Tag with an affinity constant of 0.114 nM as determined in SPR assay (Biacore T200).


Background
Target Background Interleukin-2 (IL-2) is an interleukin, a type of cytokine signaling molecule in the immune system. It is a 15,5 - 16 kDa protein that regulates the activities of white blood cells (leukocytes, often lymphocytes) that are responsible for immunity. IL-2 has essential roles in key functions of the immune system, tolerance and immunity, primarily via its direct effects on T cells.
Synonyms IL2; T-cell growth factor; TCGF; Aldesleukin

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