| Active principles | Rating | Bibliogr. | Expand | |
|---|---|---|---|---|
| 1 | ADP Ribose Transferases | 100 | + | |
| 2 | Pyrimidine Phosphorylases | 25 | + | |
| 3 | Nicotinamide Phosphoribosyltransferase | 13 | + | |
| 4 | Purine-Nucleoside Phosphorylase | 8 | + | |
| 5 | Orotate Phosphoribosyltransferase | 5 | + | |
| 6 | Hypoxanthine Phosphoribosyltransferase | 4 | + |