| Gene | Description | Domains |
|---|---|---|
| Nvec_vc1.1_XM_032363232.2 | SUMO-activating enzyme subunit 2 | ThiF, UAE_UbL, UBACT, UBA_e1_thiolCys |
| Nvec_vc1.1_XM_032372874.2 | Ubiquitin-activating enzyme E1 (A1S9T and BN75 temperature sensitivity complementing) | ThiF, UBACT, UBA_e1_C, UBA_e1_thiolCys |
| Nvec_vc1.1_XM_048721125.1 | NEDD8-activating enzyme E1 catalytic subunit | E2_bind, ThiF, UBACT, UBA_e1_thiolCys |