| Active principles | Rating | Bibliogr. | Expand | |
|---|---|---|---|---|
| 1 | Phosphotransferases | 100 | + | |
| 2 | Acyltransferases | 74 | + | |
| 3 | Glycosyltransferases | 71 | + | |
| 4 | Alkyl and Aryl Transferases | 36 | + | |
| 5 | One-Carbon Group Transferases | 15 | + | |
| 6 | Nitrogenous Group Transferases | 3 | + | |
| 7 | Sulfur Group Transferases | 3 | + |