Crystal Structure of covalent complex of topoisomerase 1A with substrate
External Resource: Annotation
Domain Annotation: SCOP2 Classification SCOP2 Database Homepage
Chains | Type | Family Name | Domain Identifier | Family Identifier | Provenance Source (Version) |
A | SCOP2B Superfamily | Toprim domain-like | 8055743 | 3000737 | SCOP2B (2022-06-29) |
A | SCOP2B Superfamily | Prokaryotic type I DNA topoisomerase clamp domain-like | 8036554 | 3001789 | SCOP2B (2022-06-29) |
Chains | Family Name | Domain Identifier | Architecture | Possible Homology | Homology | Topology | Family | Provenance Source (Version) |
A | PF01131 | e3px7A4 | A: beta barrels | X: LigT-like | H: Prokaryotic type I DNA topoisomerase beta-barrel domain (From Topology) | T: Prokaryotic type I DNA topoisomerase beta-barrel domain | F: PF01131 | ECOD (1.6) |
A | PF01131 | e3px7A3 | A: alpha arrays | X: HTH | H: HTH | T: winged | F: PF01131 | ECOD (1.6) |
A | PF01751 | e3px7A5 | A: a/b three-layered sandwiches | X: HAD domain-like | H: HAD domain-related | T: Toprim domain | F: PF01751 | ECOD (1.6) |
Chains | Polymer | Molecular Function | Biological Process | Cellular Component |
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| DNA topoisomerase | | | |
| DNA 5'-D(*TP*TP*GP*GP*G)-3' | - | - | - |
| DNA 5'-D(*A*AP*TP*GP*CP*GP*CP*T)-3' | - | - | - |
Chains | Accession | Name | Type |
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| IPR013498 | DNA topoisomerase, type IA, zn finger | Domain |
| IPR013497 | DNA topoisomerase, type IA, central | Domain |
| IPR003602 | DNA topoisomerase, type IA, DNA-binding domain | Domain |
| IPR049330 | Topoisomerase I, zinc finger | Domain |
| IPR013263 | DNA topoisomerase I, zinc ribbon-like, bacterial-type | Domain |
| IPR023405 | DNA topoisomerase, type IA, core domain | Homologous Superfamily |
| IPR013825 | DNA topoisomerase, type IA, central region, subdomain 2 | Homologous Superfamily |
| IPR003601 | DNA topoisomerase, type IA, domain 2 | Domain |
| IPR028612 | DNA topoisomerase I, type IA | Family |
| IPR000380 | DNA topoisomerase, type IA | Family |
| IPR013826 | DNA topoisomerase, type IA, central region, subdomain 3 | Homologous Superfamily |
| IPR006171 | TOPRIM domain | Domain |
| IPR023406 | DNA topoisomerase, type IA, active site | Active Site |
| IPR005733 | DNA topoisomerase I, bacterial-type | Family |
| IPR034149 | DNA topoisomerase 1, TOPRIM domain | Domain |
| IPR013824 | DNA topoisomerase, type IA, central region, subdomain 1 | Homologous Superfamily |
Protein Modification Annotation
Modified Residue(s) |
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Chain | Residue(s) | Description |
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| PTR | Parent Component: TYR
RESID:  AA0039
PSI-MOD :  O4'-phospho-L-tyrosine MOD:00048 |