| Active principles | Rating | Bibliogr. | Expand | |
|---|---|---|---|---|
| 1 | Phosphotransferases | 100 | + | |
| 2 | Acyltransferases | 18 | + | |
| 3 | Alkyl and Aryl Transferases | 14 | + | |
| 4 | Glycosyltransferases | 13 | + | |
| 5 | Nitrogenous Group Transferases | 12 | + | |
| 6 | One-Carbon Group Transferases | 4 | + | |
| 7 | Aldehyde-Ketone Transferases | 2 | + |