Product Description |
Recombinant Cynomolgus B7-2/CD86 Protein is expressed from HEK293 with His tag at the C-terminus.It contains Tyr25-His239. |
Product Background |
B7-1 and B7-2 are homologous costimulatory ligands expressed on the surface of antigen presenting cells (APCs). Binding of these molecules to the T cell costimulatory receptors, CD28 and CTLA-4, is essential for the activation and regulation of T cell immunity. B7-1 and B7-2 do not form hetero-oligomers, underscoring the biological relevance of dimeric and monomeric state of B7-1 and B7-2, respectively. |
Product Category |
Recombinant Protein |
Target |
B7-2/CD86 |
Synonyms |
CD86 molecule; CD86; B70; B7-2 antigen; B72; B7-2; BU63; FUN-1; LAB72; MGC34413; CD28LG2 |
Accession |
|
Species |
Cynomolgus |
Biotinylated |
no |
Amino Acid Range |
Tyr25-His239 |
Molecular Weight |
The protein has a predicted MW of 26.4 kDa. Due to glycosylation, the protein migrates to 50-70 kDa based on Bis-Tris PAGE result. |
Activity |
Immobilized Cynomolgus B7-2, His Tag at 1ug/ml (100ul/well) on the plate. Dose response curve for Human CTLA-4, hFc Tag with the EC50 of 18.0ng/ml determined by ELISA (QC Test). The affinity constant of 0.102 uM as determined in SPR assay (Biacore T200). See testing image for detail. |
Product Tag |
C-His |
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. |
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Cynomolgus B7-2, His Tag immobilized on CM5 Chip can bind Cynomolgus CTLA-4, His Tag with an affinity constant of 0.102 uM as determined in SPR assay (Biacore T200). |
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Immobilized Cynomolgus B7-2, His Tag at 1ug/ml (100ul/well) on the plate. Dose response curve for Human CTLA-4, hFc Tag with the EC50 of 18.0ng/ml determined by ELISA (QC Test). |
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Cynomolgus B7-2 on Bis-Tris PAGE under reduced condition. The purity is greater than 95%. |
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The purity of Cynomolgus B7-2 is greater than 95% as determined by SEC-HPLC. |
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