| Aktiva substanser | Betyg | Bibliogr. | Expandera | |
|---|---|---|---|---|
| 1 | ADP-ribostransferaser | 100 | + | |
| 2 | Pyrimidine Phosphorylases | 36 | + | |
| 3 | Nicotinamide Phosphoribosyltransferase | 17 | + | |
| 4 | Orotatfosforibosyltransferas | 13 | + | |
| 5 | Hypoxantinfosforibosyltransferas | 10 | + | |
| 6 | Purinnukleosidfosforylas | 6 | + |