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Size：100 μg
Price：$ 389
Brand：NewEast 
Place of Origin：USA
Immunogen：
| Cat.#: 11953 |
| Product Name: Human IL4 Protein |
| Size : 10 µg, 50 µg and 100 µg |
| Synonyms: BSF1;CGF1;BSF-1;BCGF-1;IL-4 |
| Target: IL4 |
| UNIPROT ID: P05112 |
| Description: Recombinant Human IL4 Protein with C-terminal 6xHis tag |
| Background: The protein encoded by this gene is a pleiotropic cytokine produced by activated T cells. This cytokine is a ligand for interleukin 4 receptor. 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 a central role in mediating the immune regulatory signal of this cytokine. This gene, IL3, IL5, IL13, and CSF2 form a cytokine gene cluster on chromosome 5q, with this gene particularly close to IL13. This gene, IL13 and IL5 are found to be regulated coordinately by several long-range regulatory elements in an over 120 kilobase range on the chromosome. IL4 is considered an important cytokine for tissue repair, counterbalancing the effects of proinflammatory type 1 cytokines, however, it also promotes allergic airway inflammation. Moreover, IL-4, a type 2 cytokine, mediates and regulates a variety of human host responses such as allergic, anti-parasitic, wound healing, and acute inflammation. This cytokine has been reported to promote resolution of neutrophil-mediated acute lung injury. In an allergic response, IL-4 has an essential role in the production of allergen-specific immunoglobin (Ig) E. This pro-inflammatory cytokine has been observed to be increased in COVID-19 (Coronavirus disease 2019) patients, but is not necessarily associated with severe COVID-19 pathology. Two alternatively spliced transcript variants of this gene encoding distinct isoforms have been reported. [provided by RefSeq, Aug 2020] |
| Species/Host: HEK293 |
| Molecular Weight: The protein has a predicted molecular mass of 15.8 kDa after removal of the signal peptide. The apparent molecular mass of IL4-His is approximately 15-25 kDa due to glycosylation. |
| Molecular Characterization: IL4(His25-Ser153) 6×His tag |
| Purity: The purity of the protein is greater than 85% as determined by SDS-PAGE and Coomassie blue staining. |
| Formulation & Reconstitution: Lyophilized from nanodisc solubilization buffer (20 mM Tris-HCl, 150 mM NaCl, pH 8.0). Normally 5% – 8% trehalose is added as protectants before lyophilization. |
| Storage & Shipping: Store at -20°C to -80°C for 12 months in lyophilized form. After reconstitution, if not intended for use within a month, aliquot and store at -80°C (Avoid repeated freezing and thawing). Lyophilized proteins are shipped at ambient temperature. |
Figure 1.Human IL4 Protein, His Tag on SDS-PAGE under reducing condition. |
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