"IL4" Related Products

Recombinant Human Interleukin 4, HQ-tagged

Cat. No.: IL4-5334H
Product Overview: Recombinant human IL4contains 130 amino acids and a 16 amino acid Histidine/Glutamine-based tagfor a total length of 146 amino acids.
Description: IL-4, is a cytokine that induces differentiationof naive helper T cells (Th0 cells) to Th2 cells. Upon activation by IL-4,Th2 cells subsequently produce additional IL-4. The cell that initiallyproduces IL-4, thus inducing Th0 differentiation, has not been identified,but recent studies suggest that basophils may be the effector cell.
Source: Hordeum vulgare(barley grain)
Species: Human
Form: Lyophilized from a0.2 um sterile filtered solution in 30 mM Sodium Acetate +0.7 M NaCl pH5.3.
Molecular Weight: 17.2 kDa
Purity: >95% by SDS-PAGE
Endotoxin Level: <0.005 ng/ug ofIL4
Biological Activity: Determined by thecell proliferation assay for IL4 for dose- dependent cell proliferation ofhuman TF-1 cells. The EDSO range is 0.8-1.2 ng/mL.
Specific Activity: 1.2-0.8 x 106U/mg
Reconstitution: Centrifuge vialpriorto opening. Add sterile low salt buffer to the vial to fully solubilizethe protein to a concentration not less than 100 ug/ml.
Storage: Although stable atroom temperature for several weeks, lyophilized protein is best stored at-20°C. Store reconstituted protein in working aliquots at -20°C with acarrier protein (0.1% HSA or BSA) as a stabilizer for long term storage.Please note that the addition of any carrier protein into this product mayproduce unwanted endotoxin. This depends upon the particular applicationemployed. Avoid repeated freeze-thaw cycles.
OfficialSymbol: IL4
Gene Name: IL4 interleukin 4 [ Homosapiens ]
Synonyms: IL4; interleukin 4;BSF1; IL-4; BCGF1; BSF-1; BCGF-1; MGC79402; interleukin-4; binetrakin;pitrakinra; OTTHUMP00000066049; OTTHUMP00000066050; B cell growth factor 1;B_cell stimulatory factor 1; lymphocyte stimulatory factor 1
Gene ID: 3565
mRNA Refseq: NM_000589
Protein Refseq: NP_000580
MIM: 147780
UniProt ID: P05112
Chromosome Location: 5q23-q31
Pathway: Allograft rejection;Asthma; Autoimmune thyroid disease; CD40/CD40L signaling; Cytokine-cytokinereceptor interaction; Fc epsilon RI signaling pathway; Hematopoietic celllineage; IL-4 signaling Pathway; IL12-mediated signaling events; IL4-mediatedsignaling events; Inflammatory Response Pathway; Jak-STAT signaling pathway;Leishmaniasis; Measles; T cell receptor signaling pathway
Function: cytokine activity;growth factor activity; interleukin-4 receptor binding; protein binding

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Optional requirements on this protein    +Expand
C-fusion    N-fusion   Non-tagged
His    GST   Fc   Others
<1.0 eu/μg    <0.1 eu/μg   <0.01 eu/μg   Not required
Monomer Isolation    Dimer Isolation    Not required
>80% by SDS-PAGE    >90% by SDS-PAGE   >95% by SDS-PAGE   Others

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