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Cat.No.:PKSH033948
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Synonyms | CD28;CD28 antigen;CD28 molecule;T-cell-specific surface glycoprotein CD28;Tp44;TP44 |
Species | Human/Cynomolyus |
Expression_host | HEK293 Cells |
Sequence | Asn19-Pro152 |
Accession | P10747 |
Mol_Mass | 44.1 kDa |
AP_Mol_Mass | 60-90 kDa |
Tag | C-Fc-Avi |
Bio_Activity | Loaded Human B7-1-His on HIS1K Biosensor, can bind Biotinylated Human/Cynomolgus CD28-Fc-Avi with an affinity constant of 9.09 pM as determined in BLI assay. |
Purity | > 95 % as determined by reducing SDS-PAGE. |
Endotoxin level | < 1.0 EU per μg of the protein as determined by the LAL method. |
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. |
Formulation | Lyophilized from a 0.2 μm filtered solution of 20mTris-HCl, 150mM NaCl, pH 8.0. 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 |
Reconstitution | Please refer to the printed manual for detailed information. |