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You are here:Home » Molecular Biology » Growth Factors-Interleukin » Interleukin 9, Recombinant, Human (IL-9, Cell Growth Factor p40, P40 Cytokine)

Interleukin 9, Recombinant, Human (IL-9, Cell Growth Factor p40, P40 Cytokine)

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Specifications

Interleukin 9 (IL-9) is cytokine produced by a subgroup of helper T cells, known as Th2 cells. IL-9 signals through its receptor IL-9R to induce cell proliferation and survival. Genetically, IL-9 has been identified as a gene associated with asthma.
Catalog #142949
SourceRecombinant protein corresponding to 127aa from human IL-9 expressed in E.coli.
Molecular Weight~14kD
Endotoxin 1EU/ug (LAL)
Biological ActivityThe activity is determined by the dose-dependent proliferation of human MO7e cells and is typically between 0.1-0.6ng/ml.
AA SequenceMQGCPTLAGI LDINFLINKM QEDPASKCHC SANVTSCLCL GIPSDNCTRP CFSERLSQMT NTTMQTRYPL IFSRVKKSVE VLKNNKCPYF SCEQPCNQTT AGNALTFLKS LLEIFQKEKM RGMRGKI
Storage and StabilityLyophilized powder may be stored at -20°C. Stable for 12 months at -20°C. Reconstitute with sterile 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~14kD
SourceE.coli
Purity~98% (HPLC, Reducing and non-reducing SDS-PAGE)
FormSupplied as a lyophilized powder in 10mM Na2PO4, pH 7.5. Reconstitute with sterile dH2O.
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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