| Active principles | Rating | Bibliogr. | Expand | |
|---|---|---|---|---|
| 1 | Intercellular Signaling Peptides and Proteins | 100 | + | |
| 2 | Intracellular Signaling Peptides and Proteins | 28 | + | |
| 3 | Neuropeptides | 24 | + | |
| 4 | Opioid Peptides | 12 | + | |
| 5 | Oligopeptides | 9 | + | |
| 6 | Peptide Hormones | 8 | + | |
| 7 | Glycopeptides | 5 | + | |
| 8 | Peptides, Cyclic | 4 | + | |
| 9 | Peptide Fragments | 4 | + | |
| 10 | Serpins | 2 | + | |
| 11 | Proteinase Inhibitory Proteins, Secretory | 1 | + | |
| 12 | Polyglutamic Acid | 1 | + |