Table 1. Some enzymes as drug targets.
| Enzyme | Drug |
|---|---|
| Dihydrofolate reductase | Methotrexate |
| HIV-1 protease | Saquinavir, Indinavir |
| ACE | Captopril |
| Neuraminidase | Oseltamivir |
| Cyclin dependent Kinase(CDKs) | Flavopiridol |
| Cyclooxygenase | Diclofenac, Indomethacin |
| Thymidylate synthase | Tomudex |
| Guanine phosphoribosyltranseferase (GPRT) | Allopurinol |
| Inosine5'-monophosphate dehydrogense | Tiazopurin |