Specific assays for 12 individual P450s
| P450 | Substrate | Product |
|---|---|---|
| 3A4 | Testosterone | 6β-OH-Testosterone |
| Aflatoxin B1 | 3-OH-Aflatoxin B1 | |
| 3A5 | Testosterone | 6β-OH-Testosterone |
| 3A7 | Testosterone | 6β-OH-Testosterone |
| 1A1 | Phenanthrene | 9,10-Dihydrodiol |
| 1A2 | Phenacetin | Acetaminophen |
| 2A6 | Coumarin | 7-OH-Coumarin |
| 2B6 | Diazepam | Nordiazepam |
| 2C8 | Paclitaxel | 6α-OH-Paclitaxel |
| 2C9 | Flurbiprofen | 4′-OH-Flurbiprofen |
| 2C19 | (S)-Mephenytoin | 4′-OH-Mephenytoin |
| 2D6 | Dextromethorphan | Dextrorphan |
| Bufuralol | 1′-OH-Bufuralol | |
| 2E1 | Chlorzoxazone | 6-OH-Chlorzoxazone |