| Gene | Description | Domains | Gene lists |
|---|---|---|---|
| TrH2_TrispH2_001618 | ubiquitin-like modifier activating enzyme 2 | BilD_C, NAD_binding_7, Pyr_redox, Shikimate_DH, ThiF, UAE_UbL, UBA_E1_SCCH | — |
| TrH2_TrispH2_006122 | ubiquitin-like modifier activating enzyme 1 | BCDHK_Adom3, BilD_C, E1_4HB, E1_FCCH, E1_UFD, Gp10A-like, PAZ, STI1-HOP_DP, ThiF, UBA_E1_SCCH | — |
| TrH2_TrispH2_008029 | ubiquitin-like modifier activating enzyme 6 | BilD_C, bMG3, DUF555, E1_4HB, E1_FCCH, E1_UFD, ELFV_dehydrog, End_beta_barrel, ThiF, UBA_E1_SCCH | — |