Recombinant Human Interleukin-4 Receptor Subunit Alpha/IL-4 Rα Protein, HEK293 Cells, C-Fc, 50.2 kDa, purity >85% as determined by SDS-PAGE.
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Recombinant Human Interleukin-4 Receptor Subunit Alpha/IL-4 Rα Protein

Recombinant Human Interleukin-4 Receptor Subunit Alpha/IL-4 Rα Protein — recombinant protein, expressed in HEK293 Cells. Purity >85%.

SKU: BCRETP-000047 Categories: ,
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Product Specifications

Product SkuBCRETP-000047
Product DescriptionRecombinant Human Interleukin-4 Receptor Subunit Alpha/IL-4 Rα Protein is expressed from HEK293 with Fc tag at the C-Terminus. It contains 26-231aa. [Accession | P24394].
Uniprot No.P24394
SynonymsInterleukin-4 receptor subunit alpha; IL-4 receptor subunit alpha; IL-4R subunit alpha; IL-4R-alpha; IL-4RA; CD124; IL-4-binding protein; IL4-BP; IL4R; IL4RA
PurityGreater than 85% as determined by SDS-PAGE.
Expression SystemHEK293 Cells
Expression Region26-231aa
Tag InfoC-Fc
Molecular weight50.2 kDa
EndotoxinLess than 1.0 EU/μg as determined by LAL method.

Function

Soluble IL4R (sIL4R) inhibits IL4-mediated cell proliferation and IL5 up-regulation by T-cells.

Biological Context

Subcellular Location: Secreted
Tissue Specificity: Isoform 1 and isoform 2 are highly expressed in activated T-cells

Product Specifications

Recombinant Human Interleukin-4 Receptor Subunit Alpha/IL-4 Rα Protein is a recombinant protein, expressed in HEK293 Cells, covering amino acids 26-231aa, with C-Fc tag, molecular weight 50.2 kDa, purity Greater than 85% as determined by SDS-PAGE.. Suitable for ELISA and Western Blot applications.

SDS-PAGE: Single band at expected molecular weight confirming purity.

ELISA: Suitable as coating antigen or detection standard.

Western Blot: Compatible with standard Western Blot protocols.

Protein Interaction: Validated for SPR (Surface Plasmon Resonance) and BLI (Bio-Layer Interferometry) studies.

Shipping: Shipped at ambient temperature. Lyophilized protein is stable during transit.

Storage: Store lyophilized protein at -20°C to -80°C. Reconstituted protein should be aliquoted and stored at -80°C. Avoid repeated freeze-thaw cycles.

Shelf Life: 12 months from date of receipt when stored as recommended.

Shipping Time: Orders placed before 2 PM EST ship same day. International orders typically deliver within 5-10 business days.

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Protein Biology

Function

Soluble IL4R (sIL4R) inhibits IL4-mediated cell proliferation and IL5 up-regulation by T-cells

Subcellular Location

Secreted

Tissue Specificity

Isoform 1 and isoform 2 are highly expressed in activated T-cells

Subunit

The functional IL4 receptor is formed by initial binding of IL4 to IL4R. Subsequent recruitment to the complex of the common gamma chain, in immune cells, creates a type I receptor and, in non-immune cells, of IL13RA1 forms a type II receptor. IL4R can also interact with the IL13/IL13RA1 complex to form a similar type II receptor (PubMed:7775445, PubMed:8804422). Interacts with PIK3C3 (By similarity). Interacts with the SH2-containing phosphatases, PTPN6/SHIP1, PTPN11/SHIP2 and INPP5D/SHIP (PubMed:11714803). Interacts with JAK1 through a Box 1-containing region; inhibited by SOCS5. Interacts with SOCS5; inhibits IL4 signaling (By similarity). Interacts with JAK3 (PubMed:7538655). Interacts with CLM1 (By similarity). Interacts with IL13RA2 (PubMed:17030238)

Gene: IL4R  |  Organism: Homo sapiens
Key Publications

Frequently Asked Questions

How do I order or inquire about this product?

Fill out the Online Inquiry form with your required quantity and specifications. You can also email sales@biocrestsci.com. Our team typically responds within 4 business hours with a quote and availability confirmation.

What is the shipping and delivery time?

Orders placed before 2 PM EST ship the same day. Domestic (US) delivery typically takes 2-3 business days. International orders deliver within 5-10 business days. All products are shipped at ambient temperature with appropriate packaging to ensure stability.

How should I store this recombinant protein?

Lyophilized proteins should be stored at -20°C to -80°C upon receipt. After reconstitution, aliquot and store at -80°C. Avoid repeated freeze-thaw cycles. Shelf life is 12 months from date of receipt when stored as recommended.

What quality controls are performed on your products?

Each product undergoes SDS-PAGE purity analysis (typically >85-95%), endotoxin testing, and bioactivity validation. Products are validated for ELISA, Western Blot, and SPR/BLI applications as specified on this product page. A Certificate of Analysis (CoA) is available upon request.

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