| 1VUB | D:1-101; D:1-101; D:1-101; D:1-101 | CCDB, A TOPOISOMERASE POISON FROM E. COLI |
| 2VUB | H:1-101; H:1-101; H:1-101; H:1-101; H:1-101; H:1-101; H:1-101; H:1-101 | CCDB, A TOPOISOMERASE POISON FROM E. COLI |
| 3VUB | A:1-101 | CCDB, A TOPOISOMERASE POISON FROM E. COLI |