| Gene | Description | Domains |
|---|---|---|
| Aque_Aqu2.1.29416_001 | Ubiquitin-activating enzyme E1-like 2 | ThiF, UBACT, UBA_e1_C |
| Aque_Aqu2.1.35045_001 | Ubiquitin-activating enzyme E1 (A1S9T and BN75 temperature sensitivity complementing) | ThiF, UBACT, UBA_e1_C, UBA_e1_thiolCys |
| Aque_Aqu2.1.42293_001 | Ubiquitin-activating enzyme E1 (A1S9T and BN75 temperature sensitivity complementing) | ThiF, UBACT, UBA_e1_C, UBA_e1_thiolCys |