| Active principles | Rating | Bibliogr. | Expand | |
|---|---|---|---|---|
| 1 | ADP Ribose Transferases | 100 | + | |
| 2 | Pyrimidine Phosphorylases | 30 | + | |
| 3 | Orotate Phosphoribosyltransferase | 11 | + | |
| 4 | Purine-Nucleoside Phosphorylase | 6 | + | |
| 5 | Hypoxanthine Phosphoribosyltransferase | 4 | + | |
| 6 | Nicotinamide Phosphoribosyltransferase | 3 | + | |
| 7 | Anthranilate Phosphoribosyltransferase | 1 | + |