Recombinant proteins Cytokines IL-4 Human
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IL-4 Human (hIL-4, BCGF-1, Lymphocyte stimulatory factor 1)

Catalog # 1421
Type Recombinant
Source E. coli
Species Human
Form Liquid
Purity > 98 % by SDS PAGE
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Recombinant Human IL-4 is a pleiotropic cytokine produced by activated T cells. It binds to IL-4 receptor and activates STAT6 mediated signaling pathway.


IL-4 regulates the differentiation of helper Th2 cells favoring a humoral immune response. Human IL-4 is a 15 kDa protein containing 130 amino acid residues.


Affinity Purification, Western Blotting, ELISA, Protein Array, Protein-Protein Interactions, Pull-down Assay,

Purification method

Affinity chromatography.


50ug/ml, Storage buffer: 100mM NaCl, 50mM CAPS, 30mM glutathione, 100mM Tris, 30% glycerol


-80°C, aliquot to avoid repeated freezing and thawing.

Analyte specific reagent (ASR) manufactured under ISO 13485

Country of origin: Czech Republic

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