| Active principles | Rating | Bibliogr. | Expand | |
|---|---|---|---|---|
| 1 | Intercellular Signaling Peptides and Proteins | 100 | + | |
| 2 | Neuropeptides | 31 | + | |
| 3 | Peptide Hormones | 20 | + | |
| 4 | Oligopeptides | 15 | + | |
| 5 | Intracellular Signaling Peptides and Proteins | 15 | + | |
| 6 | Opioid Peptides | 3 | + | |
| 7 | Peptide Fragments | 1 | + |