TABLE 2.
Physical characteristics of the Ad vectors
| Vector | Cells | Total virus particles/IU (BU) | IU (BU)/PFU |
|---|---|---|---|
| Ad5 (wild type) | 293 | ≥10:1 | 1 |
| AdE1° | 293 | ≥20:1 | 1:1–2:1 |
| AdE1°E2° | 293-E2 | ≥100:1 | 1:1–2:1 |
| AdE1°E4° | 293-E4ORF6+7 | ≥30:1 | 5:1–10:1 |
| AdE1°E4° | 293-E4 | NDa | 200:1–1,000:1 |
ND, not determined.