| Active principles | Rating | Bibliogr. | Expand | |
|---|---|---|---|---|
| 1 | Intercellular Signaling Peptides and Proteins | 100 | + | |
| 2 | Intracellular Signaling Peptides and Proteins | 61 | + | |
| 3 | Oligopeptides | 40 | + | |
| 4 | Neuropeptides | 34 | + | |
| 5 | Peptide Hormones | 23 | + | |
| 6 | Proteinase Inhibitory Proteins, Secretory | 13 | + | |
| 7 | Serpins | 13 | + | |
| 8 | Salivary Proteins and Peptides | 10 | + | |
| 9 | Peptide Fragments | 8 | + | |
| 10 | Phosphopeptides | 7 | + | |
| 11 | Peptides, Cyclic | 6 | + | |
| 12 | Myocardial Depressant Factor | 4 | + | |
| 13 | Glycopeptides | 4 | + | |
| 14 | Antimicrobial Cationic Peptides | 1 | + | |
| 15 | Lipopeptides | 1 | + | |
| 16 | Opioid Peptides | 1 | + |