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R&D Systems™ Recombinant Human IL-4 Protein

Extensive quality control produces industry leading bioactivity and lot-to-lot consistency that instills confidence in results and ensures reproducibility. Applications: Bioactivity

Brand:  R&D Systems™ 204-IL-010

241.90 EUR valid until 2024-12-16
Use promo code "21630" to get your promotional price.


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Product Code. 18187260

  • € 308.00 / 10µg

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Description

Description

Measured in a cell proliferation assay using TF-1 human erythroleukemic cells. Kitamura, T. et al. (1989) J. Cell Physiol. 140:323. The ED50 for this effect is 0.05-0.2 ng/mL.
Specifications

Specifications

Lyophilized from a 0.2μm filtered solution in PBS with BSA as a carrier protein.
15 kDa
10 μg
Use a manual defrost freezer and avoid repeated freeze-thaw cycles. 12 months from date of receipt, -20 to -70° C as supplied. 1 month, 2 to 8° C under sterile conditions after reconstitution. 3 months, -20 to -70° C under sterile conditions after reconstitution.
B cell growth factor 1, BCDF, B-cell stimulatory factor 1, BCGF1, BCGF-1, binetrakin, BSF1, BSF-1, IL4, IL-4B_cell stimulatory factor 1, IL4E12, interleukin 4, interleukin-4, Lymphocyte stimulatory factor 1, MGC79402, Pitrakinra
Recombinant
3565
IL-4
E. coli-derived human IL-4 protein His25-Ser153,with an N-terminal Met
<0.1 EU per 1μg of the protein by the LAL method.
Unconjugated
97%, by SDS-PAGE under reducing conditions and visualized by silver stain.
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