| Gene | Description | Domains |
|---|---|---|
| Xesp_002316 | — | E1_4HB, E1_FCCH, E1_UFD, ThiF, UBA_e1_thiolCys |
| Xesp_006285 | — | E2_bind, ThiF |
| Xesp_012168 | — | Rhodanese, ThiF |
| Xesp_014427 | — | ATG7_N, ThiF |
| Xesp_016196 | — | E1_4HB, E1_FCCH, E1_UFD, ThiF, UBA_e1_thiolCys |
| Xesp_021353 | — | ThiF |
| Xesp_021992 | — | ThiF |
| Xesp_022159 | — | ThiF |