Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

ChainsTypeFamily Name Domain Identifier Family IdentifierProvenance Source (Version)
ASCOP2B SuperfamilyToprim domain-like 8090034 3000737 SCOP2B (2022-06-29)
BSCOP2B SuperfamilyToprim domain-like 8090034 3000737 SCOP2B (2022-06-29)

Domain Annotation: ECOD Classification ECOD Database Homepage

ChainsFamily NameDomain Identifier ArchitecturePossible HomologyHomologyTopologyFamilyProvenance Source (Version)
ADNA_topoisoIV_1ste4z3oA2 A: alpha arraysX: HTHH: HTHT: wingedF: DNA_topoisoIV_1stECOD (1.6)
ADNA_topoisoIV_3rde4z3oA4 A: alpha bundlesX: alpha-helical domain in type II DNA topoisomerase (From Topology)H: alpha-helical domain in type II DNA topoisomerase (From Topology)T: alpha-helical domain in type II DNA topoisomeraseF: DNA_topoisoIV_3rdECOD (1.6)
ADNA_topoisoIV_2nde4z3oA1 A: a+b two layersX: a+b domain in type II DNA topoisomerase (From Topology)H: a+b domain in type II DNA topoisomerase (From Topology)T: a+b domain in type II DNA topoisomeraseF: DNA_topoisoIV_2ndECOD (1.6)
ADNA_gyraseB_Ce4z3oA5 A: a/b three-layered sandwichesX: HAD domain-likeH: HAD domain-relatedT: Toprim domainF: DNA_gyraseB_CECOD (1.6)
BDNA_topoisoIV_1ste4z3oB3 A: alpha arraysX: HTHH: HTHT: wingedF: DNA_topoisoIV_1stECOD (1.6)
BDNA_topoisoIV_3rde4z3oB2 A: alpha bundlesX: alpha-helical domain in type II DNA topoisomerase (From Topology)H: alpha-helical domain in type II DNA topoisomerase (From Topology)T: alpha-helical domain in type II DNA topoisomeraseF: DNA_topoisoIV_3rdECOD (1.6)
BDNA_topoisoIV_2nde4z3oB4 A: a+b two layersX: a+b domain in type II DNA topoisomerase (From Topology)H: a+b domain in type II DNA topoisomerase (From Topology)T: a+b domain in type II DNA topoisomeraseF: DNA_topoisoIV_2ndECOD (1.6)
BDNA_gyraseB_Ce4z3oB5 A: a/b three-layered sandwichesX: HAD domain-likeH: HAD domain-relatedT: Toprim domainF: DNA_gyraseB_CECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

ChainDomainClassArchitectureTopologyHomologyProvenance Source (Version)
A3.40.50.670 Alpha Beta 3-Layer(aba) Sandwich Rossmann fold CATH (4.3.0)
A3.90.199.10 Alpha Beta Alpha-Beta Complex Topoisomerase II domain 5CATH (4.3.0)
A1.10.268.10 Mainly Alpha Orthogonal Bundle Topoisomerase domain 3CATH (4.3.0)
B3.40.50.670 Alpha Beta 3-Layer(aba) Sandwich Rossmann fold CATH (4.3.0)
B3.90.199.10 Alpha Beta Alpha-Beta Complex Topoisomerase II domain 5CATH (4.3.0)
B1.10.268.10 Mainly Alpha Orthogonal Bundle Topoisomerase domain 3CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

ChainsAccessionNameDescriptionCommentsSource
A, B
PF01751Toprim domain (Toprim)Toprim domain- Family
A, B
PF00521DNA gyrase/topoisomerase IV, subunit A (DNA_topoisoIV)DNA gyrase/topoisomerase IV, subunit A- Family

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

ChainsPolymerMolecular FunctionBiological ProcessCellular Component
A, B
DNA topoisomerase 4 subunit B,ParE30-ParC55 fused topo IV from S. pneumoniae
C [auth E]E-site DNA---
D [auth F]E-site DNA---
E [auth G]E-site DNA---
F [auth H]E-site DNA---

InterPro: Protein Family Classification InterPro Database Homepage

ChainsAccessionNameType
A, B
IPR018522DNA topoisomerase, type IIA, conserved siteConserved Site
A, B
IPR013506DNA topoisomerase, type IIA, subunit B, domain 2Domain
A, B
IPR013760DNA topoisomerase, type IIA-like domain superfamilyHomologous Superfamily
A, B
IPR036890Histidine kinase/HSP90-like ATPase superfamilyHomologous Superfamily
A, B
IPR006171TOPRIM domainDomain
A, B
IPR000565DNA topoisomerase, type IIA, subunit BFamily
A, B
IPR003594Histidine kinase/HSP90-like ATPase domainDomain
A, B
IPR013759DNA topoisomerase, type IIA, subunit B, C-terminalHomologous Superfamily
A, B
IPR020568Ribosomal protein uS5 domain 2-type superfamilyHomologous Superfamily
A, B
IPR001241DNA topoisomerase, type IIAFamily
A, B
IPR005740DNA topoisomerase 4 subunit B, Firmicutes/MollicutesFamily
A, B
IPR002288DNA gyrase B subunit, C-terminalDomain
A, B
IPR014721Small ribosomal subunit protein uS5 domain 2-type fold, subgroupHomologous Superfamily
A, B
IPR035516DNA gyrase/topoisomerase IV, subunit A, C-terminalHomologous Superfamily
A, B
IPR050220Type II DNA TopoisomerasesFamily
A, B
IPR013760DNA topoisomerase, type IIA-like domain superfamilyHomologous Superfamily
A, B
IPR013757DNA topoisomerase, type IIA, alpha-helical domain superfamilyHomologous Superfamily
A, B
IPR013758DNA topoisomerase, type IIA, domain A, alpha-betaHomologous Superfamily
A, B
IPR006691DNA gyrase/topoisomerase IV, subunit A, C-terminal repeatRepeat
A, B
IPR005741DNA topoisomerase IV subunit A, Gram-positiveFamily
A, B
IPR002205DNA topoisomerase, type IIA, domain ADomain