| Active principles | Rating | Bibliogr. | Expand | |
|---|---|---|---|---|
| 1 | Intercellular Signaling Peptides and Proteins | 100 | + | |
| 2 | Peptide Hormones | 99 | + | |
| 3 | Neuropeptides | 56 | + | |
| 4 | Intracellular Signaling Peptides and Proteins | 54 | + | |
| 5 | Oligopeptides | 29 | + | |
| 6 | Peptides, Cyclic | 10 | + | |
| 7 | Proteinase Inhibitory Proteins, Secretory | 8 | + | |
| 8 | Serpins | 8 | + | |
| 9 | Peptide Fragments | 6 | + | |
| 10 | Opioid Peptides | 4 | + | |
| 11 | Circadian Rhythm Signaling Peptides and Proteins | 3 | + | |
| 12 | Glycopeptides | 2 | + | |
| 13 | Antimicrobial Cationic Peptides | 1 | + | |
| 14 | Salivary Proteins and Peptides | 1 | + | |
| 15 | Lipopeptides | 1 | + |