4J3N
Human Topoisomerase Iibeta in complex with DNA
Functional Information from GO Data
| Chain | GOid | namespace | contents |
| A | 0003677 | molecular_function | DNA binding |
| A | 0003918 | molecular_function | DNA topoisomerase type II (double strand cut, ATP-hydrolyzing) activity |
| A | 0005524 | molecular_function | ATP binding |
| A | 0006259 | biological_process | DNA metabolic process |
| A | 0006265 | biological_process | DNA topological change |
| B | 0003677 | molecular_function | DNA binding |
| B | 0003918 | molecular_function | DNA topoisomerase type II (double strand cut, ATP-hydrolyzing) activity |
| B | 0005524 | molecular_function | ATP binding |
| B | 0006259 | biological_process | DNA metabolic process |
| B | 0006265 | biological_process | DNA topological change |
Functional Information from PDB Data
| site_id | AC1 |
| Number of Residues | 6 |
| Details | BINDING SITE FOR RESIDUE MG A 1301 |
| Chain | Residue |
| A | ASP557 |
| A | ASP559 |
| A | HOH1401 |
| A | HOH1614 |
| A | HOH1615 |
| C | HOH103 |
| site_id | AC2 |
| Number of Residues | 5 |
| Details | BINDING SITE FOR RESIDUE MG A 1302 |
| Chain | Residue |
| C | HOH122 |
| C | HOH123 |
| A | ASN867 |
| A | GLY868 |
| A | HOH1624 |
| site_id | AC3 |
| Number of Residues | 5 |
| Details | BINDING SITE FOR RESIDUE MG A 1303 |
| Chain | Residue |
| A | PHE722 |
| A | ASP726 |
| A | HOH1430 |
| F | DC16 |
| F | HOH213 |
| site_id | AC4 |
| Number of Residues | 6 |
| Details | BINDING SITE FOR RESIDUE MG B 1301 |
| Chain | Residue |
| B | ASP557 |
| B | ASP559 |
| B | HOH1402 |
| B | HOH1434 |
| B | HOH1516 |
| B | HOH1672 |
| site_id | AC5 |
| Number of Residues | 6 |
| Details | BINDING SITE FOR RESIDUE MG B 1302 |
| Chain | Residue |
| B | ASN795 |
| B | ASN867 |
| B | HOH1679 |
| B | HOH1680 |
| E | HOH124 |
| E | HOH125 |
| site_id | AC6 |
| Number of Residues | 5 |
| Details | BINDING SITE FOR RESIDUE MG D 101 |
| Chain | Residue |
| B | HOH1612 |
| B | HOH1740 |
| D | HOH202 |
| D | HOH203 |
| D | HOH208 |
| site_id | AC7 |
| Number of Residues | 5 |
| Details | BINDING SITE FOR RESIDUE MG F 101 |
| Chain | Residue |
| A | HOH1626 |
| A | HOH1627 |
| F | HOH214 |
| F | HOH215 |
| F | HOH216 |
Functional Information from PROSITE/UniProt
| site_id | PS00177 |
| Number of Residues | 9 |
| Details | TOPOISOMERASE_II DNA topoisomerase II signature. LTEGDSAKS |
| Chain | Residue | Details |
| A | LEU475-SER483 |
Functional Information from SwissProt/UniProt
| site_id | SWS_FT_FI1 |
| Number of Residues | 234 |
| Details | Domain: {"description":"Toprim","evidences":[{"source":"PROSITE-ProRule","id":"PRU00995","evidenceCode":"ECO:0000255"}]} |
| Chain | Residue | Details |
| site_id | SWS_FT_FI2 |
| Number of Residues | 18 |
| Details | Region: {"description":"Interaction with DNA"} |
| Chain | Residue | Details |
| site_id | SWS_FT_FI3 |
| Number of Residues | 20 |
| Details | Motif: {"description":"Nuclear export signal"} |
| Chain | Residue | Details |
| site_id | SWS_FT_FI4 |
| Number of Residues | 2 |
| Details | Active site: {"description":"O-(5'-phospho-DNA)-tyrosine intermediate","evidences":[{"source":"PROSITE-ProRule","id":"PRU01384","evidenceCode":"ECO:0000255"},{"source":"PubMed","id":"21778401","evidenceCode":"ECO:0000269"}]} |
| Chain | Residue | Details |
| site_id | SWS_FT_FI5 |
| Number of Residues | 2 |
| Details | Binding site: {"evidences":[{"source":"PROSITE-ProRule","id":"PRU00995","evidenceCode":"ECO:0000255"}]} |
| Chain | Residue | Details |
| site_id | SWS_FT_FI6 |
| Number of Residues | 4 |
| Details | Binding site: {"evidences":[{"source":"PROSITE-ProRule","id":"PRU00995","evidenceCode":"ECO:0000255"},{"source":"PubMed","id":"21778401","evidenceCode":"ECO:0000269"}]} |
| Chain | Residue | Details |
| site_id | SWS_FT_FI7 |
| Number of Residues | 12 |
| Details | Site: {"description":"Interaction with DNA"} |
| Chain | Residue | Details |
| site_id | SWS_FT_FI8 |
| Number of Residues | 2 |
| Details | Site: {"description":"Interaction with DNA","evidences":[{"source":"PROSITE-ProRule","id":"PRU00995","evidenceCode":"ECO:0000255"}]} |
| Chain | Residue | Details |
| site_id | SWS_FT_FI9 |
| Number of Residues | 2 |
| Details | Site: {"description":"Transition state stabilizer"} |
| Chain | Residue | Details |
| site_id | SWS_FT_FI10 |
| Number of Residues | 2 |
| Details | Site: {"description":"Important for DNA bending; intercalates between base pairs of target DNA"} |
| Chain | Residue | Details |
| site_id | SWS_FT_FI11 |
| Number of Residues | 10 |
| Details | Cross-link: {"description":"Glycyl lysine isopeptide (Lys-Gly) (interchain with G-Cter in SUMO2)","evidences":[{"source":"PubMed","id":"28112733","evidenceCode":"ECO:0007744"}]} |
| Chain | Residue | Details |
| site_id | SWS_FT_FI12 |
| Number of Residues | 1 |
| Details | Cross-link: {"description":"Glycyl lysine isopeptide (Lys-Gly) (interchain with G-Cter in SUMO2)","evidences":[{"source":"PubMed","id":"25772364","evidenceCode":"ECO:0007744"},{"source":"PubMed","id":"28112733","evidenceCode":"ECO:0007744"}]} |
| Chain | Residue | Details |






