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You are here:Home » Molecular Biology » Growth Factors-Interleukin » Interleukin 3 beta, Recombinant, Rat (IL-3b, MCGF (Mast cell growth factor), Multi-CSF, HCGF, P-cell stimulation factor)

Interleukin 3 beta, Recombinant, Rat (IL-3b, MCGF (Mast cell growth factor), Multi-CSF,
HCGF, P-cell stimulation factor)

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Specifications

Interleukin-3 is a species-speci c colony-stimulating factor, which stimulates colony formation of megakaryocytes, neutrophils and macrophages from bone marrow cultures. Recombinant Rat IL-3 beta is a 16.3kD protein containing 144 amino acid residues.
Catalog #I7663-39B
Source E.coli
Form The sterile ltered solution was lyophilized from 5mM Sodium Citrate, pH 4.0.
Stability The lyophilized protein is stable for a few weeks at room temperature, but best stored at -20°C. Reconstituted IL-3 beta should be stored in working aliquots at -20°C.
Purity 98% by SDS-PAGE and HPLC.
Endotoxin 0.1ng/ug (1EU/ug).
Reconstitution We recommend a quick spin followed by reconstitution in water to a concentration of 0.11.0mg/ml. This solution can then be diluted into other aqueous buffers and stored at 4°C for 1 week or -20°C for future use.
Biological Activity The ED50 was determined by the dose-dependent stimulation of the proliferation of thymidine uptake by murine MC-9 cells is 10 ng/ml, corresponding to a speci c activity of 1.0 x 10e5 units/mg.
Country of Origin USA
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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