3M4A
Crystal structure of a bacterial topoisomerase IB in complex with DNA reveals a secondary DNA binding site
Functional Information from GO Data
| Chain | GOid | namespace | contents |
| A | 0003677 | molecular_function | DNA binding |
| A | 0003916 | molecular_function | DNA topoisomerase activity |
| A | 0003917 | molecular_function | DNA topoisomerase type I (single strand cut, ATP-independent) activity |
| A | 0006265 | biological_process | DNA topological change |
| A | 0016853 | molecular_function | isomerase activity |
Functional Information from PDB Data
| site_id | AC1 |
| Number of Residues | 7 |
| Details | BINDING SITE FOR RESIDUE ACY A 804 |
| Chain | Residue |
| A | LEU105 |
| A | LYS106 |
| A | THR109 |
| A | ARG129 |
| A | HIS132 |
| A | HOH356 |
| A | HOH535 |
| site_id | AC2 |
| Number of Residues | 5 |
| Details | BINDING SITE FOR RESIDUE ACY A 805 |
| Chain | Residue |
| A | GLU325 |
| A | HOH362 |
| A | HOH539 |
| A | HIS132 |
| A | ASP163 |
| site_id | AC3 |
| Number of Residues | 4 |
| Details | BINDING SITE FOR RESIDUE MG D 808 |
| Chain | Residue |
| D | HOH14 |
| D | HOH15 |
| D | HOH266 |
| E | HOH122 |
