Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

ChainsTypeFamily Name Domain Identifier Family IdentifierProvenance Source (Version)
C [auth A]SCOP2B SuperfamilyEukaryotic DNA topoisomerase I N-terminal DNA-binding domain-like 8042713 3001820 SCOP2B (2022-06-29)
C [auth A]SCOP2B SuperfamilyDNA breaking-rejoining enzymes 8042712 3001127 SCOP2B (2022-06-29)
C [auth A]SCOP2B SuperfamilyDNA breaking-rejoining enzymes 8042712 3001127 SCOP2B (2022-06-29)

Domain Annotation: ECOD Classification ECOD Database Homepage

ChainsFamily NameDomain Identifier ArchitecturePossible HomologyHomologyTopologyFamilyProvenance Source (Version)
C [auth A]Topoisom_I_N_Ce1a35A1 A: beta complex topologyX: Beta-strand domain in eukaryotic DNA topoisomerase I, N-terminal DNA-binding fragment (From Topology)H: Beta-strand domain in eukaryotic DNA topoisomerase I, N-terminal DNA-binding fragment (From Topology)T: Beta-strand domain in eukaryotic DNA topoisomerase I, N-terminal DNA-binding fragmentF: Topoisom_I_N_CECOD (1.6)
C [auth A]Topoisom_I_Ne1a35A2 A: alpha arraysX: HTHH: HTHT: DNA breaking-rejoining enzymesF: Topoisom_I_NECOD (1.6)
C [auth A]Topo_C_assoce1a35A3 A: alpha arraysX: HTHH: HTHT: DNA breaking-rejoining enzymesF: Topo_C_assocECOD (1.6)
C [auth A]Topoisom_I_N_Ne1a35A4 A: alpha arraysX: Alpha-helical domain in eukaryotic DNA topoisomerase I, N-terminal DNA-binding fragment (From Topology)H: Alpha-helical domain in eukaryotic DNA topoisomerase I, N-terminal DNA-binding fragment (From Topology)T: Alpha-helical domain in eukaryotic DNA topoisomerase I, N-terminal DNA-binding fragmentF: Topoisom_I_N_NECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Protein Family Annotation Pfam Database Homepage

ChainsAccessionNameDescriptionCommentsSource
C [auth A]PF02919Eukaryotic DNA topoisomerase I, DNA binding fragment (Topoisom_I_N)Eukaryotic DNA topoisomerase I, DNA binding fragment- Family
C [auth A]PF01028Eukaryotic DNA topoisomerase I, catalytic core (Topoisom_I)Eukaryotic DNA topoisomerase I, catalytic coreTopoisomerase I promotes the relaxation of DNA superhelical tension by introducing a transient single-stranded break in duplex DNA and are vital for the processes of replication, transcription, and recombination [2].Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

ChainsPolymerMolecular FunctionBiological ProcessCellular Component
A [auth C]DNA (5'-D(*AP*AP*AP*AP*AP*GP*AP*CP*TP*TP*AP*GP*AP*AP*AP*AP*AP*(BRU)P*(BRU)P*TP*TP*T)-3')---
B [auth D]DNA (5'-D(*AP*AP*AP*AP*AP*TP*+UP*+UP*+UP*+UP*CP*+UP*AP*AP*GP*TP*CP*TP*TP*TP*+ UP*T)-3')---
C [auth A]PROTEIN (DNA TOPOISOMERASE I)