| Gene | Description | Domains | Gene lists |
|---|---|---|---|
| TrH2_TrispH2_001266 | topoisomerase (DNA) III alpha | FtsK_gamma, Topoisom_bac, Toprim, Toprim_4, Zn_ribbon_GRF, Zn_ribbon_GRF_2 | — |
| TrH2_TrispH2_003143 | topoisomerase (DNA) III beta | Topoisom_bac, Toprim, TSP1, Zf-C2H2_ZNF451_6th, Zn_ribbon_TOP3B | — |