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You are here:Home » Molecular Biology » Growth Factors-Interleukin » Interleukin 2, Recombinant, Human (Interleukin-2, IL-2, IL2, Aldesleukin, Lymphokine, T-cell Growth Factor, TCGF)

Interleukin 2, Recombinant, Human (Interleukin-2, IL-2, IL2, Aldesleukin, Lymphokine,
T-cell Growth Factor, TCGF)

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Specifications

IL-2 is a potent immuno-modulator, which mediates a wide range of immune and inflammatory responses. Recombinant Human IL-2 is a 15.5kD protein containing 134 amino acid residues.
Catalog #I7663-26A6
SourceRecombinant human Interleukin-2 expressed in E. coli.
Biological ActivityThe ED50 as determined by the dose-dependent stimulation of murine CTLL-2 cells is <0.1ng/ml, corresponding to a specific activity of >1x10e7 units/mg.
Storage and StabilityLyophilized powder may be stored at -20°C. Stable for 12 months at -20°C. Reconstitute with sterile ddH2O. For long-term storage it is recommended to add a carrier protein (0.1% HSA or BSA). Aliquot to avoid repeated freezing and thawing. Store at -20°C. Reconstituted product is stable for 6 months at -20°C. For maximum recovery of product, centrifuge the original vial after thawing and prior to removing the cap. Further dilutions can be made in assay buffer.
Molecular Weight15.5kD
SourceE. coli
Purity~95% (SDS-PAGE and HPLC). Endotoxin: 0.1ng/ug.
FormSupplied as a lyophilized powder with no additives. Reconstitute with sterile ddH20 to a concentration of 0.1-1mg/ml
Important NoteThis product as supplied is intended for research use only, not for use in human, therapeutic or diagnostic applications without the expressed written authorization of United States Biological.


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