| Active principles | Rating | Bibliogr. | Expand | |
|---|---|---|---|---|
| 1 | ADP Ribose Transferases | 100 | + | |
| 2 | Pyrimidine Phosphorylases | 54 | + | |
| 3 | Hypoxanthine Phosphoribosyltransferase | 47 | + | |
| 4 | Nicotinamide Phosphoribosyltransferase | 33 | + | |
| 5 | Purine-Nucleoside Phosphorylase | 29 | + | |
| 6 | Orotate Phosphoribosyltransferase | 24 | + | |
| 7 | Adenine Phosphoribosyltransferase | 22 | + |