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You are here:Home » Growth Factors, Cytokines » Growth Factors-Interleukin » Interleukin 4, Recombinant, Mouse (IL-4, B Cell Stimulatory Factor 1, BSF1, Binetrakin, HCGF, Hodgkin's Cell Growth Factor, IA Inducing Factor, Lymphocyte Stimulatory Factor 1, Macrophage Fusion Factor, Mast Cell Growth Factor 2, MCGF2, MFF, MGC79402, Pit

Interleukin 4, Recombinant, Mouse (IL-4, B Cell Stimulatory Factor 1, BSF1, Binetrakin,
HCGF, Hodgkin's Cell Growth Factor, IA Inducing Factor, Lymphocyte Stimulatory Factor 1,
Macrophage Fusion Factor, Mast Cell Growth Factor 2, MCGF2, MFF, MGC79402, Pit

Pricing

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Specifications

Recombinant Murine IL-4 is a single, non-glycosylated polypeptide chain containing 120 amino acids and having a molecular mass of 13.5kD.
Catalog #I8426-10A
AA SequenceThe sequence of the first five N-terminal amino acids was determined and was found to be Met-His-Ile-His-Gly.
Biological ActivityFully biologically active when compared to standard. The ED50 as determined by the dose-dependent prolifiration of Murine HT-2 cells is less then 2ng/ml, corresponding to a Specific Activity of 5x10e6 IU/mg.
Storage and StabilityLyophilized powder may be stored at -20°C. Reconstitute to nominal volume by adding sterile ddH2O, 0.1% HSA or BSA. Aliquot and store at -20°C. Reconstituted product is stable for 12 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 Weight13.5kD
SourceE. coli
Purity98% by RP-HPLC, FPLC, or reducing/non-reducing SDS-PAGE Silver Stain. Chromatographically purified. Endotoxin: 0.1ng/ug (IEU/ug).
FormSupplied as a lyophilized powder. No additives. Reconstitute with sterile dH2O, 0.1% BSA or HSA to > 0.1mg/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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