Canine CD28 Protein (CD8-CM328)
Catalog: CD8-CM328
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| Product Description | Recombinant Canine CD28 Protein is expressed from HEK293 with mFc (IgG1) tag at the C-Terminus.It contains Thr18-Pro153. |
Product Background |
CD28 is the receptor for CD80 (B7-1) and CD86 (B7-2) proteins.When activated by Toll-like receptor ligands, the CD80 expression is upregulated in antigen presenting cells (APCs). The CD86 expression on antigen presenting cells is constitutive. CD28 is the only B7 receptor constitutively expressed on naive T cells. |
Product Category |
Recombinant Protein |
Target |
CD28 |
| Synonyms | CD28 antigen (Tp44); CD28 molecule; CD28; MGC138290 |
Gene/Protein ID |
Q9GKP3 |
Species |
Canine |
Exact Sequence |
Thr18-Pro153 |
| Molecular Weight | The protein has a predicted MW of 41.6 kDa. Due to glycosylation, the protein migrates to 50-70 kDa based on Tris-Bis PAGE result. |
Product Tag |
C-mFc |
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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The purity of Canine CD28 is greater than 95% as determined by SEC-HPLC. |
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Canine CD28 on Tris-Bis PAGE under reduced condition. The purity is greater than 95%. |
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