| P08096 | TOP2_SCHPO | Schizosaccharomyces pombe (strain 972 / ATCC 24843) (Fission yeast) | top2 SPBC1A4.03c | Detail |
| A2BLE8 | TOP6A_HYPBU | Hyperthermus butylicus (strain DSM 5456 / JCM 9403 / PLM1-5) | top6A Hbut_0961 | Detail |
| Q8TQF7 | TOP6B_METAC | Methanosarcina acetivorans (strain ATCC 35395 / DSM 2834 / JCM 12185 / C2A) | top6B MA_1587 | Detail |
| C5A6R5 | TOP6B_THEGJ | Thermococcus gammatolerans (strain DSM 15229 / JCM 11827 / EJ3) | top6B TGAM_1425 | Detail |
| O54479 | PARE_CAUVC | Caulobacter vibrioides (strain ATCC 19089 / CB15) (Caulobacter crescentus) | parE CC_1974 | Detail |
| P75352 | PARC_MYCPN | Mycoplasma pneumoniae (strain ATCC 29342 / M129) | parC MPN_123 MP031 | Detail |
| O07931 | YRAM_BACSU | Bacillus subtilis (strain 168) | yraM BSU26880 | Detail |
| Q97ZF0 | TOP6B_SACS2 | Saccharolobus solfataricus (strain ATCC 35092 / DSM 1617 / JCM 11322 / P2) (Sulfolobus solfataricus) | top6B SSO0968 | Detail |
| Q9M4A1 | SPO12_ARATH | Arabidopsis thaliana (Mouse-ear cress) | SPO11-2 At1g63990 F22C12.24 | Detail |
| Q23670 | TOP2_CAEEL | Caenorhabditis elegans | top-2 K12D12.1 | Detail |