Recombinant Human IL4 Protein

Cat.No. : IL4-80H
Product Overview : IL-4 was produced in E. coli cells transformed with human IL-4 gene. This product is sterile and does not contain any components of animal origin.
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Species : Human
Source : E.coli
Tag : Non
Description : 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.
AA Sequence : HKCDITLQEIIKTLNSLTEQKTLCTELTVTDIFAASKNTTEKETFCRAATVLRQFYSHHEKDTRCLGATAQQFHRHKQLIRFLKRLDRNLWGLAGLNSCPVKEANQSTLENFLERLKTIMREKYSKCSS
Purity : > 95% by SDS-PAGE
Applications : Research
Quality Control Test : Verified by Mass Spectrometry analyses and disulfide mapping.
Notes : For research use only
Storage : Avoid repeated freeze-thaw cycles. 12 months at -20 to -80 centigrade. 1 month at 2 to 8 centigrade.
Concentration : 1.0 mg/mL
Storage Buffer : Sterile filtered through a 0.2 micron filter in 50% glycerol, 10 mM Phosphate buffer at pH 7, 200 mM
Gene Name IL4 interleukin 4 [ Homo sapiens (human) ]
Official Symbol IL4
Synonyms IL4; interleukin 4; interleukin-4; B cell growth factor 1; B_cell stimulatory factor 1; BCGF 1; BCGF1; BSF1; IL 4; lymphocyte stimulatory factor 1; MGC79402; binetrakin; pitrakinra; IL-4; BSF-1; BCGF-1
Gene ID 3565
mRNA Refseq NM_000589
Protein Refseq NP_000580
MIM 147780
UniProt ID P05112

Not For Human Consumption!

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