6PCM

Crystal Structure of Mycobacterium smegmatis Topoisomerase I with ssDNA bound to both N- and C-terminal domains

External Resource: Annotation


Domain Annotation: ECOD Classification ECOD Database Homepage

ChainsFamily NameDomain Identifier ArchitecturePossible HomologyHomologyTopologyFamilyProvenance Source (Version)
AF_UNCLASSIFIEDe6pcmA4 A: beta barrelsX: LigT-likeH: Prokaryotic type I DNA topoisomerase beta-barrel domain (From Topology)T: Prokaryotic type I DNA topoisomerase beta-barrel domainF: F_UNCLASSIFIEDECOD (1.6)
APF01131e6pcmA2 A: alpha arraysX: HTHH: HTHT: wingedF: PF01131ECOD (1.6)
APF01751e6pcmA1 A: a/b three-layered sandwichesX: HAD domain-likeH: HAD domain-relatedT: Toprim domainF: PF01751ECOD (1.6)
APF13368e6pcmA6 A: few secondary structure elementsX: Rubredoxin-likeH: Mycobacterium tuberculosis Topoisomerase I C-terminal domain (From Topology)T: Mycobacterium tuberculosis Topoisomerase I C-terminal domainF: PF13368ECOD (1.6)
BF_UNCLASSIFIEDe6pcmB5 A: beta barrelsX: LigT-likeH: Prokaryotic type I DNA topoisomerase beta-barrel domain (From Topology)T: Prokaryotic type I DNA topoisomerase beta-barrel domainF: F_UNCLASSIFIEDECOD (1.6)
BPF01131e6pcmB3 A: alpha arraysX: HTHH: HTHT: wingedF: PF01131ECOD (1.6)
BPF01751e6pcmB1 A: a/b three-layered sandwichesX: HAD domain-likeH: HAD domain-relatedT: Toprim domainF: PF01751ECOD (1.6)
BPF13368e6pcmB6 A: few secondary structure elementsX: Rubredoxin-likeH: Mycobacterium tuberculosis Topoisomerase I C-terminal domain (From Topology)T: Mycobacterium tuberculosis Topoisomerase I C-terminal domainF: PF13368ECOD (1.6)

Protein Family Annotation Pfam Database Homepage

ChainsAccessionNameDescriptionCommentsSource
A, B
PF01131DNA topoisomerase (Topoisom_bac)DNA topoisomerase- Family
A, B
PF13368Topoisomerase C-terminal repeat (Toprim_C_rpt)Topoisomerase C-terminal repeatThis domain is repeated up to five times to form the C-terminal region of bacterial topoisomerase immediately downstream of the zinc-finger motif.Domain
A, B
PF01751Toprim domain (Toprim)Toprim domain- Family

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

ChainsPolymerMolecular FunctionBiological ProcessCellular Component
A, B
DNA topoisomerase 1 -
C, D
DNA (5'-D(P*AP*GP*TP*GP*AP*GP*CP*GP*AP*GP*CP*TP*TP*CP*CP*GP*CP*TP*TP*GP*AP*CP*TP*T)-3')---

InterPro: Protein Family Classification InterPro Database Homepage

ChainsAccessionNameType
A, B
IPR013497DNA topoisomerase, type IA, centralDomain
A, B
IPR003602DNA topoisomerase, type IA, DNA-binding domainDomain
A, B
IPR023405DNA topoisomerase, type IA, core domainHomologous Superfamily
A, B
IPR013825DNA topoisomerase, type IA, central region, subdomain 2Homologous Superfamily
A, B
IPR003601DNA topoisomerase, type IA, domain 2Domain
A, B
IPR025589Topoisomerase C-terminal repeatRepeat
A, B
IPR028612DNA topoisomerase I, type IAFamily
A, B
IPR000380DNA topoisomerase, type IAFamily
A, B
IPR013826DNA topoisomerase, type IA, central region, subdomain 3Homologous Superfamily
A, B
IPR006171TOPRIM domainDomain
A, B
IPR023406DNA topoisomerase, type IA, active siteActive Site
A, B
IPR005733DNA topoisomerase I, bacterial-typeFamily
A, B
IPR034149DNA topoisomerase 1, TOPRIM domainDomain
A, B
IPR013824DNA topoisomerase, type IA, central region, subdomain 1Homologous Superfamily