Human B7-H3/CD276 Recombinant Protein (His Tag)
- SKU:
- RPES5936
Description
| Product Name: | Human B7-H3/CD276 Recombinant Protein (His Tag) |
| Product Code: | RPES5936 |
| Size: | 20µg |
| Species: | Human |
| Expression Host: | HEK293 Cells |
| Synonyms: | CD276, B7H34Ig-B7-H3, B7-H3, B7 homolog 3, CD276 antigen, CD276 molecule, Costimulatory molecule |
| Mol Mass: | 47.3 kDa |
| AP Mol Mass: | 60-80 kDa |
| Tag: | C-His |
| Purity: | > 95 % as determined by reducing SDS-PAGE. |
| Endotoxin Level: | < 1.0 EU per μg of the protein as determined by the LAL method. |
| Bio Activity: | Testing in progress |
| Sequence: | Leu29-Thr461 |
| Accession: | Q5ZPR3 |
| Storage: | Generally, lyophilized proteins are stable for up to 12 months when stored at -20 to -80°C. Reconstituted protein solution can be stored at 4-8°C for 2-7 days. Aliquots of reconstituted samples are stable at < -20°C for 3 months. |
| Shipping: | This product is provided as lyophilized powder which is shipped with ice packs. |
| Formulation: | Lyophilized from sterile PBS, pH 7.4. Normally 5 % - 8 % trehalose, mannitol and 0.01% Tween80 are added as protectants before lyophilization. Please refer to the specific buffer information in the printed manual. |
| Reconstitution: | Please refer to the printed manual for detailed information. |
| Background: | CD276, also known as B7-H3, is a member of the B7 superfamily with signature IgV and IgG regions in extracellular domains. It is a type I transmembrane protein and shares 20–27% amino acid identity with other B7 family members. B7-H3 is involved in the activation of T lymphocytes, and regulates murine bone formation. It is also reported that B7-H3 may play an important role in muscle-immune interactions, providing further evidence of the active role of muscle cells in local immunoregulatory processes. B7-H3 is expressed on T-cells, natural killer cells, and antigen presenting cells, as well as some non-immune cells, such as osteoblasts, fibroblasts, fibroblast-like synoviocytes and epithelial cells. High expression of B7-H3 in tumor vasculature also correlates with poor survival in patients, suggesting that it may play a role in tumor cell migration. |
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