| Gene | Description | Domains |
|---|---|---|
| Spis14835_1 | — | AAA_30 |
| Spis20001_1 | — | AAA_30 |
| Spis23561_1 | — | AAA_30 |
| Spis_XP_022795190_1 | DNA helicase B | AAA_30 |
| Spis_XP_022796339_1 | DNA helicase B | AAA_30, UvrD_C_2 |
| Spis_XP_022797832_1 | helicase with zinc finger 2 | AAA_11, AAA_12, AAA_30, RNB |