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You are here:Home » Molecular Biology » Growth Factors-Interleukin » Interleukin 2, Recombinant, Human (IL-2)

Interleukin 2, Recombinant, Human (IL-2)

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Specifications

Human Interleukin-2 (IL-2) is a lymphokine which biological effects include activation and proliferation of T cells, B cells, and other lymphokine activated killer cells. Human IL-2 is composed of 133aa, including 3 cysteine residues, two of which are involved in a disulfide bond essential for biological activity. Human and murine IL-2 are 62% homologous, and human IL-2 has been found to be active on murine cell lines.
Catalog #I7663-26Z4
Biological ActivityThe biological activity is determined by a lymphocyte proliferation assay ~160,000 IU (International units).
Storage and StabilityLyophilized powder may be stored at -20°C. Reconstitute to with sterile dH2O, aliquot and 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 Weight15kD
SourceE. coli
PurityPurified. 95% pure by SDS gel electrophoresis.
ConcentrationAs reported
FormSupplied as a lyophilized powder from sodium phosphate, SDS, mannitol. Reconstitute with sterile ddH2O.
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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