Human IL-2 R beta/CD122 Protein (CD1-HM222)
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. |
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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). |
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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). |
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The purity of Human IL-2 R beta is greater than 95% as determined by SEC-HPLC. |
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Human IL-2 R beta on Tris-Bis PAGE under reduced condition. The purity is greater than 95%. |
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