| Active principles | Rating | Bibliogr. | Expand | |
|---|---|---|---|---|
| 1 | Intercellular Signaling Peptides and Proteins | 100 | + | |
| 2 | Neuropeptides | 58 | + | |
| 3 | Intracellular Signaling Peptides and Proteins | 56 | + | |
| 4 | Peptide Hormones | 33 | + | |
| 5 | Opioid Peptides | 25 | + | |
| 6 | Oligopeptides | 24 | + | |
| 7 | Peptide Fragments | 4 | + | |
| 8 | Peptides, Cyclic | 3 | + | |
| 9 | Proteinase Inhibitory Proteins, Secretory | 1 | + | |
| 10 | Serpins | 1 | + | |
| 11 | Antimicrobial Cationic Peptides | 1 | + | |
| 12 | Cholecystokinin | 1 | + | |
| 13 | Glycopeptides | 1 | + |