| Conjugation: | Unconjugated |
| Dilution Range: | Reconstitute in sterile water for a stock solution. |
| Formulation: | Lyophilized from a solution in PBS pH 7.4, 5% Trehalose, 5% Mannitol. |
| Storage Instruction: | Use a manual defrost freezer and avoid repeated freeze thaw cycles. Store at 2 to 8°C for one week. Store at-20 to-80°C for twelve months from the date of receipt. |
| Endotoxin: | <0.1 EU/Mu g of the protein by the LAL method. |
| Immunoreactivity: | Measured by its ability to inhibit IL-2 secretion by stimulated human acute T cell leukemia cells (Jurkat). The ED50 for this effect is 0.1-0.4 µg/mL when stimulated with 1 µg/mL recombinant human B7‑1/CD80 in the presence of PHA. |
