| Species | Human |
| Protein Construction | | PD-L1 (Phe19-Thr239)Accession # Q9NZQ7-1 | Poly-His | | N-term | C-term |
|
| Purity | > 95% as analyzed by SDS-PAGE |
| Endotoxin Level | < 0.2 EU/μg of protein by gel clotting method |
| Biological Activity | Immobilized PD-L1, His, Human at 2.0 μg/ml (100 μl/well) can bind PD-1 Fc Chimera, Human(Cat. No.: Z03370). |
| Expression System | HEK 293 |
| Apparent Molecular Weight | 31~35 kDa, on SDS-PAGE under reducing conditions. |
| Formulation | Lyophilized from a 0.2 μm filtered solution in PBS, 5% trehalose and mannitol. |
| Reconstitution | It is recommended that this vial be briefly centrifuged prior to opening to bring the contents to the bottom. Reconstitute the lyophilized powder in ddH₂O or PBS up to 100 μg/ml. |
| Storage & Stability | Upon receiving, this product remains stable for 6 months at lower than -70°C. Upon reconstitution, the product should be stable for 1 week at 4°C or for 3 months at -20°C. For long term storage it is recommended that a carrier protein (example 0.1% BSA) be added. Avoid repeated freeze-thaw cycles. |
