| Gene | Description | Domains |
|---|---|---|
| Spis15518_1 | ubiquitin like modifier activating enzyme 5 | ThiF |
| Spis_XP_022783406_1 | autophagy related 7 | ATG7_N, ThiF |
| Spis_XP_022789745_1 | NEDD8 activating enzyme E1 subunit 1 | ThiF |
| Spis_XP_022790005_1 | ubiquitin like modifier activating enzyme 3 | E2_bind, ThiF |
| Spis_XP_022792135_1 | ubiquitin like modifier activating enzyme 1 | E1_4HB, E1_FCCH, E1_UFD, ThiF, UBA_e1_thiolCys |
| Spis_XP_022795514_1 | ubiquitin like modifier activating enzyme 6 | E1_4HB, E1_FCCH, E1_UFD, ThiF, UBA_e1_thiolCys |
| Spis_XP_022795976_1 | ubiquitin like modifier activating enzyme 2 | ThiF, UAE_UbL, UBA_e1_thiolCys |
| Spis_XP_022798340_1 | SUMO1 activating enzyme subunit 1 | ThiF |
| Spis_XP_022799066_1 | molybdenum cofactor synthesis 3 | ThiF |
| Spis_XP_022800578_1 | ubiquitin like modifier activating enzyme 5 | ThiF |