Biotinylated Human IL-18BP Protein (IL8-HM4BPB)
Catalog: IL8-HM4BPB
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| Product Description | Recombinant Biotinylated Human IL-18BP Protein is expressed from HEK293 with His tag and Avi tag at the C-Terminus.It contains Thr31-Gly194. |
Product Background |
Cytokines were the first modern immunotherapies to produce durable responses in patients with advanced cancer,components of the interleukin-18 (IL-18) pathway are upregulated on tumour-infiltrating lymphocytes, suggesting that IL-18 therapy could enhance anti-tumour immunity. IL-18BP, a high-affinity IL-18 decoy receptor, is frequently upregulated in diverse human and mouse tumours and limits the anti-tumour activity of IL-18 in mice. |
Product Category |
Recombinant Protein |
Target |
IL-18BP |
| Synonyms | IL-18BP; Igifbp |
Gene/Protein ID |
O95998-2 |
Species |
Human |
Exact Sequence |
Thr31-Gly194 |
| Molecular Weight | The protein has a predicted MW of 20.5 kDa. Due to glycosylation, the protein migrates to 52-65 kDa based on Tris-Bis PAGE result. |
Activity |
The affinity constant of 0.90 nM as determined in SPR assay (Biacore T200). See testing image for detail. |
Product Tag |
C-His-Avi |
Express System |
HEK293 |
| Purity | > 95% as determined by Tris-Bis PAGE |
| 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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Biotinylated Human IL-18BP, His Tag captured on CM5 Chip via anti-his antibody can bind Human IL-18, No Tag with an affinity constant of 0.90 nM as determined in SPR assay (Biacore T200). |
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Biotinylated Human IL-18BP on Tris-Bis PAGE under reduced condition. The purity is greater than 95%. |
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