"IL4" Related Products

Recombinant Bovine Interleukin 4

Cat. No.: IL4-240B
Product Overview: Recombinant Bovine IL-4 was expressed inYeast. MW= 12.6 kDa (112 aa).
Description: Interleukin-4, abbreviated IL-4, is a cytokine that induces differentiation of naive helper T cells (Th0 cells) to Th2 cells. Upon activation by IL-4, Th2 cells subsequently produce additional IL-4. The cell that initially produces IL-4, thus inducing Th0 differentiation, has not been identified, but recent studies suggest that basophils may be the effector cell. Its receptor is the Interleukin-4 receptor.
Source: Yeast.
Formulation/ Reconstitution: Lyophilized. Reconstitute with sterile phosphate-buffered saline containing at least 0.1% carrier protein.
Purification: Ion-exchange chromatography.
Purity: >95% as visualized by SDS-PAGE analysis.
Amino Acid Sequence: GHKCDITLAE IIKTLNILTT RKNSCMELPV ADVFAAPKNT TEKETFCRVG IELRRIYRSH TCLNKFLGGL DRNLNSLASK TCSVNEAKTS TSTLKDLLER LKTIMKEKYS KC.
Bioactivity: The biological activity of recombinant bovine IL-4 was measured in a cell proliferation assay using the human TF-1 cell line. The ED50 for this effect is typically 1.5 - 2 ng/mL.
Stability And Storage: Stable for up to twelve months from date of receipt at -20°C. Stable for at least 3 months when stored in working aliquots with a carrier protein at -20°C. Avoid repeated freeze/thaw cycles.
Gene Name: IL4 interleukin 4 [ Bos taurus ]
Synonyms: interleukin 4; IL4; IL-4; interleukin-4; BSF-1; B-cell stimulatory factor 1; lymphocyte stimulatory factor 1
Gene ID: 280824
mRNA Refseq: NM_173921.2
Protein Refseq: NP_776346.1
UniProt ID: P30367
Chromosome Location: 7q15-q21
Pathway: Allograft rejection; Asthma; Autoimmune thyroid disease; Cytokine-cytokine receptor interaction; Fc epsilon RI signaling pathway; Hematopoietic cell lineage; Intestinal immune network for IgA production; Jak-STAT signaling pathway; 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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