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You are here:Home » Molecular Biology » Growth Factors-Interleukin » Interleukin 2, Recombinant, Human, Animal Free (IL-2, T Cell Growth Factor, TCGF, Aldesleukin)

Interleukin 2, Recombinant, Human, Animal Free (IL-2, T Cell Growth Factor, TCGF,
Aldesleukin)

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Specifications

Interleukin-2 (IL-2) is an immuno-modulatory cytokine produced by stimulated T cells. IL-2 signals through the IL-2R receptor to induce proliferation of activated T cells. IL-2 also stimulates proliferation and differentiation of B cells, natural killer cells, monocytes and macrophages
Catalog #142922
SourceRecombinant protein corresponding to 134aa from human IL-2 expressed in E.coli.
Molecular Weight~15.5kD
Endotoxin 1EU/ug (LAL)
Biological ActivityThe activity is measured by the dose-dependent proliferation of CTLL-2 cells and is typically <1ng/ml.
AA SequenceMAPTSSSTKK TQLQLEHLLL DLQMILNGIN NYKNPKLTRM LTFKFYMPKK ATELKHLQCL EEELKPLEEV LNLAQSKNFH LRPRDLISNI NVIVLELKGS ETTFMCEYAD ETATIVEFLN RWITFSQSII STLT
Storage and StabilityLyophilized powder may be stored at -20°C. Stable for 12 months at -20°C. Reconstitute with sterile buffer or ddH2O. 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 Weight~15.5kD
SourceE.coli
Purity~90% (Reducing and non-reducing SDS-PAGE)
FormSupplied as a lyophilized powder in 10mM sodium citrate, pH 3.0. Reconstitute with 10mM hydrochloride.
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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