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Product Details
A42602
Applications
Tested Dilution
Publications
Product Specifications
Species
Human
Expression System
E. coli
Amino acid sequence
Human IL-4 isoform 1, amino acids His25-Ser153 (Accession # P05112-1) with an N-terminal Met
Molecular weight
15 kDa
Class
Recombinant
Type
Protein
Purity
≥95 % as determined by SDS-PAGE. ≥95 % as determined by SEC-HPLC.
Activity
Measured in a cell proliferation assay using TF-1 human erythroleukemic cells. The ED50 for this effect is 0.05-0.25 ng/mL.
Conjugate
Form
Lyophilized
Amount
5 µg
Purification
purified
Storage buffer
PBS, pH 7.4, with 5% mannitol, 5% trehalose, 0.01% Tween 80
Contains
no preservative
Storage conditions
-20°C or -80°C if preferred
Shipping conditions
Ambient
Product Specific Information
Reconstitution: Dissolve the protein in sterile double distilled water to a concentration of 0.2 mg/mL or lower. It is recommended that the protein be aliquoted and be used as soon as possible. Store aliquots under sterile conditions at -20°C. Avoid repeated freeze-thaw cycles.
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 stimulatory factor 1; B_cell stimulatory factor 1; Binetrakin; BSF-1; H-IL-4; IL-4; IL-4v2; IL4; ILN; Interleukin; interleukin 4; Interleukin-4; Interleukin4; Lymphocyte stimulatory factor 1; M-IL-4; MGC79402; Pitrakinra
Gene Aliases: BCGF-1; BCGF1; BSF-1; BSF1; IL-4; IL4
UniProt ID: (Human) P05112
Entrez Gene ID: (Human) 3565
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