| Gene | Description | Domains |
|---|---|---|
| Spis_XP_022778257_1 | DNA topoisomerase II beta | DNA_gyraseB, DNA_gyraseB_C, HATPase_c, Toprim |
| Spis_XP_022795279_1 | DNA topoisomerase III beta | Topoisom_bac, Toprim |
| Spis_XP_022795834_1 | DNA topoisomerase II alpha | DNA_gyraseB, DNA_topoisoIV, HATPase_c, Toprim, TOPRIM_C |
| Spis_XP_022800287_1 | DNA topoisomerase III alpha | Topoisom_bac, Toprim, zf-GRF |
| Spis_XP_022803888_1 | DNA topoisomerase II beta | DNA_gyraseB, HATPase_c, Toprim |