Biotinylated Human B7-2/CD86 Protein (B72-HM486B)
Catalog: B72-HM486B
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Product Description | Recombinant Biotinylated Human B7-2/CD86 Protein is expressed from HEK293 with His tag and Avi tag at the C-Terminus.It contains Leu26-Pro247. |
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 |
Human |
Amino Acid Range |
Leu26-Pro247 |
Molecular Weight | The protein has a predicted MW of 28.2 kDa. Due to glycosylation, the protein migrates to 55-70 kDa based on Tris-Bis PAGE result. |
Activity |
Immobilized Biotinylated Human B7-2, His Tag at 1ug/ml (100ul/well) on the streptavidin precoated plate (5ug/ml). Dose response curve for Human CTLA-4, hFc Tag with the EC50 of 1.9ng/ml determined by ELISA. 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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