Human IL5RA/IL-5 R Alpha Recombinant Protein (RPES3643)

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SKU:
RPES3643
Product Type:
Recombinant Protein
Species:
Human

Description

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Human IL5RA/IL-5 R Alpha Recombinant Protein

Interleukin 5 receptor, alpha (IL5RA) also known as CD125 (Cluster of Differentiation 125) is a subunit of the Interleukin-5 receptor. IL5RA (CD125) is an interleukin 5 specific subunit of a heterodimeric cytokine receptor. The receptor is comprised of a ligand specific alpha subunit and a signal transducing beta subunit shared by the receptors for interleukin 3 (IL3), colony stimulating factor 2 (CSF2/GM-CSF), and interleukin 5 (IL5). The binding of this protein to IL5 depends on the beta subunit. The beta subunit is activated by the ligand binding, and is required for the biological activities of IL5. This protein has been found to interact with syndecan binding protein (syntenin), which is required for IL5 mediated activation of the transcription factor SOX4. Six alternatively spliced transcript variants encoding three distinct isoforms have been reported. IL5RA (CD125) is a T-cell-derived cytokine which is particularly important in the development of asthma for the lerminal differentiation, activation and survival of committed cosinophil precursors.

Product Name:Human IL5RA/IL-5 R Alpha Recombinant Protein (RPES3643)
Product Code:RPES3643
Size:20µg
Species:Human
Expressed Host:HEK293 Cells
Synonyms:Interleukin-5 receptor subunit alpha, IL-5 receptor subunit alpha, IL-5R subunit alpha, IL-5R-alpha, IL-5RA, CDw125, CD125, IL5RA, IL5R,HSIL5R3,IL5R
Accession:Q01344-2
Sequence:Met 1-Arg 335
Fusion tag:C-His
Activity:1.Measured by its binding ability in a functional ELISA.2. Immobilized recombinant mouse IL5-his at 5 µg/mL (100 ?L/well) can bind biotinylated human IL5Ra-his with a linear range of 32-4000 ng/mL.3. Measured by its ability to inhibit IL5 dependent proliferation of TF1 human erythroleukemic cells. The ED50 for this effect is typically 0.7-2.8 µg/mL.
Endotoxin:<1.0 EU per µg as determined by the LAL method.
Protein Construction:A DNA sequence encoding the human IL5Ra isoform 2 (Q01344-2) (Met 1-Arg 335) was expressed, fused with a polyhistidine tag at the C-terminus.
Purity:> 85 % as determined by reducing SDS-PAGE.
Mol Mass:37.3 kDa
AP Mol Mass:45-50 kDa
Formulation:Lyophilized from sterile PBS, pH 7.4
Shipping:This product is provided as lyophilized powder which is shipped with ice packs.
Stability and Storage:Lyophilized proteins are stable for up to 12 months when stored at -20 to -80°C. Reconstituted protein solution can be stored at 4-8°C for 2-7 days. Aliquots of reconstituted samples are stable at < -20°C for 3 months.
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