Human IL-2 R beta/CD122 Protein (CD1-HM222)

  • Express System: HEK293
  • Product Tag: C-hFc
  • Purity: > 95% as determined by Tris-Bis PAGE;> 95% as determined by HPLC
  • Activity: The affinity constant of 2.88 nM as determined in SPR assay (Biacore T200). See testing image for detail.
  • Exact Sequence: Ala27-Asp239

Catalog: CD1-HM222

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Product Description Recombinant Human IL-2 R beta/CD122 Protein is expressed from HEK293 with hFc tag at the C-Terminus.It contains Ala27-Asp239.
Product Category Recombinant Protein
Target IL-2 R beta/CD122
Gene/Protein ID NP_000869
Species Human
Exact Sequence Ala27-Asp239
Molecular Weight The protein has a predicted MW of 51.35 kDa. Due to glycosylation, the protein migrates to 60-70 kDa based on Tris-Bis PAGE result.
Activity The affinity constant of 2.88 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 Tris-Bis 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-2 R beta, hFc Tag captured on CM5 Chip via Protein A can bind Human IL-15, No Tag with an affinity constant of 2.88 nM as determined in SPR assay (Biacore T200) (QC Test).
Human IL-2 R beta, hFc Tag captured on CM5 Chip via Protein A can bind Human IL-2, No Tag with an affinity constant of 0.216 uM as determined in SPR assay (Biacore T200).
The purity of Human IL-2 R beta is greater than 95% as determined by SEC-HPLC.
Human IL-2 R beta on Tris-Bis PAGE under reduced condition. The purity is greater than 95%.

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