| Gene | Description | Domains |
|---|---|---|
| Aque_Aqu2.1.08990_001 | 5-oxoprolinase | Hydant_A_N, Hydantoinase_A |
| Aque_Aqu2.1.14497_001 | 5-oxoprolinase (ATP-hydrolysing) | Hydant_A_N, Hydantoinase_A |
| Aque_Aqu2.1.28467_001 | 5-oxoprolinase | Hydant_A_N, Hydantoinase_A, Hydantoinase_B |
| Aque_Aqu2.1.36762_001 | — | DUF917, Hydant_A_N, Hydantoinase_A |