Invitrogen™ Mouse IL-4 Recombinant Protein

Description

Recombinant Protein

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.

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.

Specifications

• Accession Number: P07750
• For Use With (Application): Control, ELISA, Immunoprecipitation, Western Blot
• Formulation: PBS with no preservative
• Gene ID (Entrez): 16189
• Molecular Weight (g/mol): 13.6 kDa
• Name: Mouse IL-4
• Quantity: 20 μg
• Source: Yeast
• Regulatory Status: RUO
• Gene Alias: B cell growth factor 1; B_cell stimulatory factor 1; B-cell growth factor 1; B-cell IgG differentiation factor; B-cell stimulatory factor 1; BCGF1; BCGF-1; binetrakin; BSF1; BSF-1; cytokine; H-IL-4; IGG1 induction factor; IL2; IL4; Il-4; Il4e12; ILN; Interleukin; interleukin 4; interleukin 4 variant 2; interleukin 4 variant IL-4 delta2; interleukin 4 variant IL-4 delta3; interleukin 4 variant IL-4 int2A; interleukin 4 variant IL-4 int3A; interleukin 4 variant IL-4 int3B; Interleukin4; interleukin-4; interleukin-4 precursor; lymphocyte stimulatory factor 1; MGC79402; M-IL-4; Pitrakinra
• Common Name: IL-4
• Gene Symbol: Il4
• Biological Activity: ED50 = 3.3-4.9 ng/mL: Determined by the proliferation of mouse HT-2 cells.
• Conjugate: Unconjugated
• Species: Yeast
• Recombinant: Recombinant
• Sequence: Mouse IL-4, amino acids 21-140 (Accession # P07750)
• Content And Storage: 4°C
• Expression System: P. pastoris
• Form: Lyophilized
• Protein Subtype: Recombinant
• Purity or Quality Grade: >95% by SDS-PAGE