IL4R (Human) Recombinant Protein
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Specification
Product Description
Human IL4R (P24394, 24 a.a. - 232 a.a.) partial recombinant protein expressed in HEK293 cells.
Sequence
GNMKVLQEPTCVSDYMSISTCEWKMNGPTNCSTELRLLYQLVFLLSEAHTCIPENNGGAGCVCHLLMDDVVSADNYTLDLWAGQQLLWKGSFKPSEHVKPRAPGNLTVHTNVSDTLLLTWSNPYPPDNYLYNHLTYAVNIWSENDPADFRIYNVTYLEPSLRIAASTLKSGISYRARVRAWAQCYNTTWSEWSPSTKWHNSYREPFEQH
Host
Human
Theoretical MW (kDa)
40 ~ 45
Form
Lyophilized
Preparation Method
Mammalian cell (HEK 293) expression system
Purity
> 95% as analyzed by SDS-PAGE.
> 95% as analyzed by HPLC.Endotoxin Level
< 0.2 EU/ ug of protein (gel clotting method)
Activity
ED50 < 70.0 ng/mL, measured in a neutralization assay using TF-1 cells in the presence of 0.5 ng/mL h-IL-4.
Recommend Usage
Biological Activity
SDS-PAGE
The optimal working dilution should be determined by the end user.Storage Buffer
Lyophilized from PBS. Reconstitute the lyophilized powder in ddH2O or PBS up to 100 ug/mL.
Storage Instruction
Store at 4°C for 1 week. For long term storage store at -20°C to -80°C.
Aliquot to avoid repeated freezing and thawing.Note
Result of activity analysis
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Applications
Functional Study
SDS-PAGE
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Gene Info — IL4R
Entrez GeneID
3566Protein Accession#
P24394Gene Name
IL4R
Gene Alias
CD124, IL4RA
Gene Description
interleukin 4 receptor
Gene Ontology
HyperlinkGene Summary
This gene encodes the alpha chain of the interleukin-4 receptor, a type I transmembrane protein that can bind interleukin 4 and interleukin 13 to regulate IgE production. The encoded protein also can bind interleukin 4 to promote differentiation of Th2 cells. A soluble form of the encoded protein can be produced by an alternate splice variant or by proteolysis of the membrane-bound protein, and this soluble form can inhibit IL4-mediated cell proliferation and IL5 upregulation by T-cells. Allelic variations in this gene have been associated with atopy, a condition that can manifest itself as allergic rhinitis, sinusitus, asthma, or eczema. Two transcript variants encoding different isoforms, a membrane-bound and a soluble form, have been found for this gene. [provided by RefSeq
Other Designations
OTTHUMP00000122506|interleukin 4 receptor alpha chain|interleukin-4 receptor alpha chain
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