| Gene | Description | Domains |
|---|---|---|
| Aque_Aqu2.1.26252_001 | Aminoacylase-1 | M20_dimer, Peptidase_M20 |
| Aque_Aqu2.1.29319_001 | Probable carboxypeptidase PM20D1 | M20_dimer, Peptidase_M20 |
| Aque_Aqu2.1.29870_001 | Peptidase M20 domain-containing protein 2 | M20_dimer, Peptidase_M20 |
| Aque_Aqu2.1.41031_001 | — | M20_dimer, Peptidase_M20 |