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Product Details
RMIL4I
Product Specifications
Species
Mouse
Expression System
P. pastoris
Amino acid sequence
Mouse IL-4, amino acids 21-140 (Accession # P07750)
Molecular weight
13.6 kDa
Class
Recombinant
Type
Protein
Purity
>95% by SDS-PAGE
Activity
ED50 = 3.3-4.9 ng/mL: Determined by the proliferation of mouse HT-2 cells.
Conjugate
Form
Lyophilized
Purification
purified
Storage buffer
PBS
Contains
no preservative
Storage conditions
4°C
Shipping conditions
Wet ice
Product Specific Information
Mature mouse IL-4 was expressed in Pichia pastoris, X-33. GenBank Accession # P07750, amino acids 21 - 140. For protein verification, the expressed protein was N-terminal sequenced and begins with the following 10 amino acids: HIHGCDKNHL. Purity is >95% by SDS-PAGE analyses.
Activity: The biological activity of recombinant mouse IL-4 was determined by measuring the proliferation of mouse HT-2 cells.
Use: For in vitro applications. A dose-response assay should be performed to determine the optimal concentration for specific experiments.
Reconstitution and Dilution: Store lyophilized material at 4°C. Reconstitute in 0.5 mL of distilled or deionized water. Dilute in a buffer-containing carrier protein, aliquot, and store at or below -70°C, avoiding multiple freeze-thaw cycles. PBS with 1% BSA or a neutral media containing <10% FCS are suitable buffers.
Target Information
Interleukin-4 (IL-4) is a pleiotropic, immune-modulatory cytokine produced by activated T cells, and serves as a ligand for interleukin 4 receptor. IL-4 has been found to have the broadest range of actions. The interleukin 4 receptor also binds to IL13, which may contribute to many overlapping functions of this cytokine and IL13. STAT6, a signal transducer and activator of transcription, has been shown to play an important role in mediating the immune regulatory signal of IL-4. The IL-4 gene, IL-3, IL-5, IL-13, and CSF2 form a cytokine gene cluster on chromosome 5q. In particular, IL-4 is located in close proximity to IL13 on the chromosome. Further, the IL-4 gene, IL13 and IL5 are found to be coordinated by several long-range regulatory elements over a 120 kilobase range on the chromosome. IL-4 delta 2 is a known splice variant of IL-4.
For Research Use Only. Not for use in diagnostic procedures. Not for resale without express authorization.
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Bioinformatics
Protein Aliases: B-cell growth factor 1; B-cell IgG differentiation factor; B-cell stimulatory factor 1; BSF-1; H-IL-4; IGG1 induction factor; IL-4; ILN; Interleukin; Interleukin-4; Interleukin4; Lymphocyte stimulatory factor 1; M-IL-4; MGC79402
Gene Aliases: BSF-1; Il-4; Il4
UniProt ID: (Mouse) P07750
Entrez Gene ID: (Mouse) 16189
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