Human IL-5 R alpha/CD125 Protein (ILR-HM45R)

  • Express System: Expi293
  • Product Tag: C-His-Avi
  • Purity: > 95% as determined by Tris-Bis PAGE;> 95% as determined by HPLC
  • Activity: The affinity constant of 4.9nM as determined in SPR assay (Biacore T200). See testing image for detail.
  • Exact Sequence: Asp21-Glu335

Catalog: ILR-HM45R

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Product Description Recombinant Human IL-5 R alpha/CD125 Protein is expressed from Expi293 with His tag and Avi tag at the C-terminal.It contains Asp21-Glu335.
Product Category Recombinant Protein
Target IL-5 R alpha/CD125
Synonyms CD125; CDw125CD125; HSIL5R3; IL-5 R alpha; IL-5R subunit alpha; IL5R; IL5RA; IL-5Ra; MGC26560
Gene/Protein ID Q01344-1
Species Human
Exact Sequence Asp21-Glu335
Molecular Weight The protein has a predicted MW of 38.7 kDa. Due to glycosylation, the protein migrates to 50-68 kDa based on Tris-Bis PAGE result.
Activity The affinity constant of 4.9nM as determined in SPR assay (Biacore T200). See testing image for detail.
Product Tag C-His-Avi
Express System Expi293
Purity > 95% as determined by Tris-Bis PAGE;> 95% as determined by HPLC
Endotoxin Less than 1EU per μg by the LAL method.
Form Lyophilized
Shipping Shipped at ambient temperature.
Formulation Lyophilized from 0.22μm filtered solution in PBS (pH 7.4). Normally 5% trehalose is added as protectant before lyophilization.
Reconstitution Centrifuge tubes before opening. Reconstituting to a concentration more than 100 μg/ml is recommended. Dissolve the lyophilized protein in distilled water.
Stability And Storage Reconstituted protein stable at -80°C for 12 months, 4°C for 1 week. Use a manual defrost freezer and avoid repeated freeze-thaw cycles.
Human IL-5, His Tag immobilized on CM5 Chip can bind Human IL-5 R alpha, His Tag with an affinity constant of 4.9nM as determined in a SPR assay (Biacore T200).
The purity of Human IL-5R alpha is greater than 95% as determined by SEC-HPLC.
Human IL-5R alpha on Tris-Bis PAGE under reduced condition. The purity is greater than 95%.

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