Human IL-13Ra1 Protein (ILR-HM2R1)
Human IL-13Ra1 Protein (ILR-HM2R1)
  • Express System: HEK293
  • Product Tag: C-hFc
  • Purity: > 95% as determined by Bis-Tris PAGE;> 95% as determined by HPLC
  • Activity: The affinity constant of 9.47 nM as determined in SPR assay (Biacore T200). See testing image for detail.
  • Amino Acid Range: Ala27-Thr343
Catalog #ILR-HM2R1
Regular price $165.00
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Product Description
Recombinant Human IL-13Ra1 Protein is expressed from HEK293 with hFc tag at the C-Terminus.It contains Ala27-Thr343.
Product Background
Two type 1 membrane proteins belonging to the hemopoietin receptor family have been cloned and shown to bind IL-13 with differing affinities. The lower affinity IL-13 binding protein, previously designated IL-13 R alpha, IL-13 R alpha ' or NR4, is now referred to as IL-13 R alpha 1. The high-affinity IL-13 binding protein, previously also designated IL-13 R or IL-13 R alpha ', is now referred to as IL-13 R alpha 2.
Product Category
Recombinant Protein
Target
IL-13Ra1
Synonyms
IL-13 R alpha 1; IL13R; IL13RA; CT19; IL13RA1; NR4; CD213A1; AI882074
Accession
Species
Human
Biotinylated
no
Amino Acid Range
Ala27-Thr343
Molecular Weight
The protein has a predicted MW of 63.4 kDa. Due to glycosylation, the protein migrates to 75-110 kDa based on Bis-Tris PAGE result.
Activity
The affinity constant of 9.47 nM as determined in SPR assay (Biacore T200). See testing image for detail.
Product Tag
C-hFc
Express System
HEK293
Purity
> 95% as determined by Bis-Tris PAGE;> 95% as determined by HPLC
Endotoxin
Less than 1EU per ug by the LAL method.
Form
Lyophilized
Shipping
Shipped at ambient temperature.
Formulation
Lyophilized from 0.22um filtered solution in PBS (pH 7.4). Normally 8% trehalose is added as protectant before lyophilization.
Reconstitution
Centrifuge the tube before opening. Reconstituting to a concentration more than 100 ug/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-13Ra1, hFc Tag captured on CM5 Chip via Protein A can bind Human IL-13, His Tag with an affinity constant of 9.47 nM as determined in SPR assay (Biacore T200).
Human IL-13Ra1 on Bis-Tris PAGE under reduced conditions. The purity is greater than 95%.
The purity of-Human IL-13Ra1 is greater than 95% as determined by SEC-HPLC.

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