| Strain | Pseudomonas syringae pv. tomato str. DC3000 |
| GI | 28869671 |
| Locus Tag | PSPTO_2478 |
| Description | DNA topoisomerase III |
| Strain | Pseudomonas putida BIRD-1 |
| GI | 386011386 |
| Locus Tag | PPUBIRD1_1795 |
| Description | protein TopB |
| Strain | Azotobacter vinelandii CA6 |
| GI | 482900905 |
| Locus Tag | AvCA6_27190 |
| Description | DNA topoisomerase III |