Murine IL-4 recombinant Protein

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Product Overview, Sizes and Prices



Synonyms: BCGF, BCDF, B cell stimulating factor, BSF-1, Lymphocyte stimulatory factor 1, IL-4, MGC79402, Binetrakin, Pitrakinra.

Source: E. coli

Biological activity: ≥ 5 x 105IU/mg

Purity: ≥ 96 % (SDS-PAGE, RP-HPLC)

Physical state: Lyophilized

Manufacturer:  Active Bioscience

Article No. Size Price  
1515.960.005 5 µg 90 €
1515.960.020 20 µg 175 €
1515.960.050 50 µg 320 €
1515.960.100 100 µg 590 €
1515.960.199 1 mg 2.890 €

Please inquire for other vial sizes and custom vialing.



Product Details


BCGF, BCDF, B cell stimulating factor, BSF-1, Lymphocyte stimulatory factor 1, IL-4, MGC79402, Binetrakin, Pitrakinra.


Description of Murine IL-4

Interleukin-4 Murine Recombinant produced in E. coli is a single, non-glycosylated polypeptide chain containing 120 amino acids and having a molecular mass of 13500 Dalton.


Biological Activity

The ED50 as determined by the dose-dependant induction of HT-2 cell proliferation is less than 2 ng/ml corresponding to a Specific Activity of 500,000IU/mg.



It is recommended to reconstitute the lyophilized Interleukin 4 in sterile 10mM HAc not less than 100µg/ml, which can then be further diluted to other aqueous solutions.



Lyophilized Interleukin-4 although stable at room temperature for 3 weeks, should be stored desiccated below -18°C. Upon reconstitution IL4 should be stored at 4°C between 2-7 days and for future use below -18°C.For long term storage it is recommended to add a carrier protein (0.1% HSA, order number: or, or BSA, order number: Please avoid repeated freeze-thaw cycles.


Lupe Zoom

Amino Acid Sequence



Shipping symbol Shipped at room temperature









To buy Murine IL-4 (W1515960005, W1515960020, W1515960050, W1515960100, W1515960199) please click on the Shopping List Symbol right from the indicated price. This will add the product to your Shopping List. You can then click on the button »Shopping List & Order Form« or the Shopping List Symbol in the top navigation to ask for a quote. We will send you your quote as soon as possible. Our offer will include institutional discounts where applicable.


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Errors, changes and availability excepted.




Payment Methods

Paying by bank transfer


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Free shipping for orders above 500 € within Germany

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