| Active principles | Rating | Bibliogr. | Expand | |
|---|---|---|---|---|
| 1 | Peptide Hormones | 100 | + | |
| 2 | Intercellular Signaling Peptides and Proteins | 25 | + | |
| 3 | Intracellular Signaling Peptides and Proteins | 12 | + | |
| 4 | Neuropeptides | 7 | + | |
| 5 | Oligopeptides | 6 | + | |
| 6 | Serpins | 1 | + | |
| 7 | Proteinase Inhibitory Proteins, Secretory | 1 | + | |
| 8 | Peptide Fragments | 1 | + | |
| 9 | Opioid Peptides | 1 | + |