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AB225862

Recombinant human IL-4 Receptor alpha protein

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Recombinant human IL-4 Receptor alpha protein is a Human Fragment protein, in the 24 to 232 aa range, expressed in CHO cells, with >95%, < 1 EU/µg endotoxin level, suitable for SDS-PAGE, FuncS.

View Alternative Names

CD124, IL4RA, 582J2.1, IL4R, Interleukin-4 receptor subunit alpha, IL-4 receptor subunit alpha, IL-4R subunit alpha, IL-4R-alpha, IL-4RA

Key facts

Purity

>95% SDS-PAGE

Endotoxin level

< 1 EU/µg

Expression system

CHO cells

Tags

Tag free

Applications

SDS-PAGE, FuncS

applications

Biologically active

Yes

Biological activity

The ED50 was determined by its ability to inhibit the IL-4 dependent proliferation of human TF-1 cells is ≤ 5.0 ng/ml (in the presence of 0.5 ng/ml of IL-4), corresponding to a specific activity of ≥ 2 x 105 units/mg.

Accession

P24394

Animal free

No

Carrier free

No

Species

Human

Reconstitution

Centrifuge the vial prior to opening. Reconstitute in water to a concentration of 0.1-1.0 mg/ml. This solution can then be diluted into other aqueous buffers and stored at 4°C for 1 week or -20°C for future use.

Reactivity data

{ "title": "Reactivity Data", "filters": { "stats": ["", "Reactivity", "Dilution Info", "Notes"] }, "values": { "SDS-PAGE": { "reactivity":"TESTED_AND_REACTS", "dilution-info":"", "notes":"<p></p>" }, "FuncS": { "reactivity":"TESTED_AND_REACTS", "dilution-info":"", "notes":"<p></p>" } } }

Sequence info

[{"sequence":"GNMKVLQEPTCVSDYMSISTCEWKMNGPTNCSTELRLLYQLVFLLSEAHTCIPENNGGAGCVCHLLMDDVVSADNYTLDLWAGQQLLWKGSFKPSEHVKPRAPGNLTVHTNVSDTLLLTWSNPYPPDNYLYNHLTYAVNIWSENDPADFRIYNVTYLEPSLRIAASTLKSGISYRARVRAWAQCYNTTWSEWSPSTKWHNSYREPFEQH","proteinLength":"Fragment","predictedMolecularWeight":"23.9 kDa","actualMolecularWeight":null,"aminoAcidEnd":232,"aminoAcidStart":24,"nature":"Recombinant","expressionSystem":"CHO cells","accessionNumber":"P24394","tags":[]}]

Properties and storage information

Shipped at conditions
Blue Ice
Appropriate long-term storage conditions
-20°C
Aliquoting information
Upon delivery aliquot
Storage information
Avoid freeze / thaw cycle
True

Specifications

Form

Lyophilized

Additional notes

Greater than 97% by SDS-PAGE and HPLC analyses.

General info

Function

Receptor for both interleukin 4 and interleukin 13 (PubMed : 17030238). Couples to the JAK1/2/3-STAT6 pathway. The IL4 response is involved in promoting Th2 differentiation. The IL4/IL13 responses are involved in regulating IgE production and, chemokine and mucus production at sites of allergic inflammation. In certain cell types, can signal through activation of insulin receptor substrates, IRS1/IRS2.. Soluble IL4R (sIL4R) inhibits IL4-mediated cell proliferation and IL5 up-regulation by T-cells.

Sequence similarities

Belongs to the type I cytokine receptor family. Type 4 subfamily.

Post-translational modifications

On IL4 binding, phosphorylated on C-terminal tyrosine residues. Phosphorylation on any one of tyrosine residues, Tyr-575, Tyr-603 or Tyr-631, is required for STAT6-induced gene induction.. The soluble form (sIL4R/IL4BP) can also be produced by proteolytic cleavage at the cell surface (shedding) by a metalloproteinase.

Product protocols

Target data

Receptor for both interleukin 4 and interleukin 13 (PubMed : 17030238). Couples to the JAK1/2/3-STAT6 pathway. The IL4 response is involved in promoting Th2 differentiation. The IL4/IL13 responses are involved in regulating IgE production and, chemokine and mucus production at sites of allergic inflammation. In certain cell types, can signal through activation of insulin receptor substrates, IRS1/IRS2.. Soluble IL4R (sIL4R) inhibits IL4-mediated cell proliferation and IL5 up-regulation by T-cells.
See full target information IL4R

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