| Active principles | Rating | Bibliogr. | Expand | |
|---|---|---|---|---|
| 1 | Intercellular Signaling Peptides and Proteins | 100 | + | |
| 2 | Peptide Hormones | 90 | + | |
| 3 | Intracellular Signaling Peptides and Proteins | 84 | + | |
| 4 | Neuropeptides | 83 | + | |
| 5 | Oligopeptides | 34 | + | |
| 6 | Opioid Peptides | 10 | + | |
| 7 | Serpins | 9 | + | |
| 8 | Proteinase Inhibitory Proteins, Secretory | 8 | + | |
| 9 | Peptide Fragments | 7 | + | |
| 10 | Circadian Rhythm Signaling Peptides and Proteins | 5 | + | |
| 11 | Peptides, Cyclic | 5 | + | |
| 12 | Salivary Proteins and Peptides | 1 | + | |
| 13 | Antimicrobial Cationic Peptides | 1 | + | |
| 14 | Glycopeptides | 1 | + | |
| 15 | Cholecystokinin | 1 | + |