2 μg（R: reducing conditions）
Mouse CD28, His tag
Mouse CD28, His tag
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$160.00 USD
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Product Details
Product Details
Product Specification
| Species | Mouse |
| Synonyms | T-cell-specific surface glycoprotein CD28 |
| Accession | P31041 |
| Amino Acid Sequence | Protein sequence (P31041, Asn20-Leu150, with C-10*His) NKILVKQSPLLVVDSNEVSLSCRYSYNLLAKEFRASLYKGVNSDVEVCVGNGNFTYQPQFRSNAEFNCDGDFDNETVTFRLWNLHVNHTDIYFCKIEFMYPPPYLDNERSNGTIIHIKEKHLCHTQSSPKLGGGGSHHHHHHHHHH |
| Expression System | HEK293 |
| Molecular Weight | Predicted MW: 16.9 kDa Observed MW: 35 kDa |
| Purity | ＞95% by SDS-PAGE |
| Endotoxin | <1EU/μg |
| Tag | with C-10*His |
| Physical Appearance | Lyophilized Powder |
| Storage Buffer | Lyophilized from a 0.2 μm filtered solution of 0.2M PBS, pH7.4. |
| Reconstitution | Reconstitute no more than 1 mg/mL according to the size in deionized water after rapid centrifugation. |
| Stability & Storage | 12 months from date of receipt, -20 to -70 °C as supplied. 6 months, -20 to -70 °C under sterile conditions after reconstitution. 1 week, 2 to 8 °C under sterile conditions after reconstitution. Please avoid repeated freeze-thaw cycles. |
Background
CD28 (Cluster of Differentiation 28) is one of the proteins expressed on T cells that provide co-stimulatory signals required for T cell activation and survival. T cell stimulation through CD28 in addition to the T-cell receptor (TCR) can provide a potent signal for the production of various interleukins (IL-6 in particular). CD28 is the receptor for CD80 (B7.1) and CD86 (B7.2) proteins. CD28 is the only B7 receptor constitutively expressed on naive T cells. Association of the TCR of a naive T cell with MHC:antigen complex without CD28:B7 interaction results in a T cell that is anergic. CD28 was identified on bone marrow stromal cells, plasma cells, neutrophils and eosinophils. In addition, the level of positive CD28 decreases with age.
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SDS-PAGE
