| 1CY0 | A:280-404 | COMPLEX OF E.COLI DNA TOPOISOMERASE I WITH 3'-5'-ADENOSINE DIPHOSPHATE |
| 1CY1 | A:280-404 | COMPLEX OF E.COLI DNA TOPOISOMERASE I WITH 5'PTPTPT |
| 1CY2 | A:280-404 | COMPLEX OF E.COLI DNA TOPOISOMERASE I WITH TPTPTP3' |
| 1CY4 | A:280-404 | COMPLEX OF E.COLI DNA TOPOISOMERASE I WITH 5'PTPTPTP3' |
| 1CY6 | A:280-404 | COMPLEX OF E.COLI DNA TOPOISOMERASE I WITH 3' THYMIDINE MONOPHOSPHATE |
| 1CY7 | A:280-404 | COMPLEX OF E.COLI DNA TOPOISOMERASE I WITH 5'-THYMIDINE MONOPHOSPHATE |
| 1CY8 | A:280-404 | COMPLEX OF E.COLI DNA TOPOISOMERASE I WITH 5'-THYMIDINE MONOPHOSPHATE AND 3'-THYMIDINE MONOPHOSPHATE |
| 1CY9 | A:280-404; B:280-404 | CRYSTAL STRUCTURE OF THE 30 KDA FRAGMENT OF E. COLI DNA TOPOISOMERASE I. MONOCLINIC FORM |
| 1CYY | B:280-404; A:280-404 | CRYSTAL STRUCTURE OF THE 30 KDA FRAGMENT OF E. COLI DNA TOPOISOMERASE I. HEXAGONAL FORM |