Recombinant Human B7-H3/CD276 Protein (His Tag) (PKSH031218) elabscience
$488.00
In stock
SKU
PKSH031218
| Size | Price (USD) |
| 100μg | $488.00 |
| 1mg | $2,980.00 |
Product Details
| Synonyms | B7 homolog 3, B7-H3, B7H34Ig-B7-H3, CD276, CD276 antigen, CD276 molecule, Costimulatory molecule |
| Accession | Q5ZPR3-1 |
| Species | Human |
| Form | Lyophilized powder |
| Formulation | Lyophilized from sterile PBS, pH 7.4 Normally 5% - 8% trehalose, mannitol and 0.01% Tween 80 are added as protectants before lyophilization. Please refer to the specific buffer information in the printed manual. |
| Purity | > 98 % as determined by reducing SDS-PAGE. |
| Expression Host | HEK293 Cells |
| Sequence | Met 1-Thr 461 |
| Tag | C-His |
| Calculated Molecular Weight | 48.0 kDa |
| Observed Molecular Weight | 73 kDa |
| Endotoxin | < 1.0 EU per μg of the protein as determined by the LAL method. |
| Bio-activity | Not validated for activity |
Product Description
Background: B7-H3 is a member of the B7 family of immune regulatory ligands that is thought to attenuate peripheral immune responses through co-inhibition. It plays an important role in adaptive immune responses, and was shown to either promote or inhibit T-cell responses in various experimental systems. 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 a novel protein structurally related to the B7 family of ligands by the presence of a single set of immunoglobulin-V-like and immunoglobulin-C-like (VC) domains. Previous studies have correlated its overexpression with poor prognosis and decreased tumor-infiltrating lymphocytes in various carcinomas including uterine endometrioid carcinomas, and mounting evidence supports an immuno-inhibitory role in ovarian cancer prognosis. Recently, B7-H3 expression has been reported in several human cancers indicating an additional function of B7-H3 as a regulator of antitumor immunity.
Storage and Shipping
| Storage | Generally, lyophilized proteins are stable for up to 12 months when stored at -20 to -80℃. Reconstituted protein solution can be stored at 4-8℃ for 2-7 days. Aliquots of reconstituted samples are stable at < -20℃ for 3 months. |
| Shipping | This product is provided as lyophilized powder which is shipped with ice packs. |
| Reconstitution | Please refer to the printed manual for detailed information. |
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