| 3.2.01. | Octreotide (1 family) | |
| 3.2.02. | Lactoferricin B (1 family) | |
| 3.2.03. | Hepcidin (1 family) | |
| 3.2.04. | Cyclic trypsin inhibitor (1 family) | |
| 3.2.05. | Macrocyclic bacteriocins (2 families) | |
| 3.2.06. | PSP1-like (1 family) | |
| 3.2.07. | Tricyclic peptide RP71935 (1 family) | |
| 3.2.08. | BRICHOS domain (1 family) | |
| 3.2.09. | Ksi conotoxins (1 family) 8.B.4 (TCDB) |