5FKW | pdb_00005fkw

cryo-EM structure of the E. coli replicative DNA polymerase complex bound to DNA (DNA polymerase III alpha, beta, epsilon)


Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

ChainsTypeFamily Name Domain Identifier Family IdentifierProvenance Source (Version)
DSCOP2B SuperfamilyRibonuclease H-like 8042074 3000143 SCOP2B (2022-06-29)
CSCOP2B SuperfamilyDNA clamp 8038076 3000780 SCOP2B (2022-06-29)
CSCOP2B SuperfamilyDNA clamp 8038082 3000780 SCOP2B (2022-06-29)
CSCOP2B SuperfamilyDNA clamp 8038081 3000780 SCOP2B (2022-06-29)
BSCOP2B SuperfamilyDNA clamp 8038081 3000780 SCOP2B (2022-06-29)
BSCOP2B SuperfamilyDNA clamp 8038082 3000780 SCOP2B (2022-06-29)
BSCOP2B SuperfamilyDNA clamp 8038076 3000780 SCOP2B (2022-06-29)

Domain Annotation: ECOD Classification ECOD Database Homepage

ChainsFamily NameDomain Identifier ArchitecturePossible HomologyHomologyTopologyFamilyProvenance Source (Version)
DRNase_Te5fkwD1 A: mixed a+b and a/bX: Ribonuclease H-likeH: Ribonuclease H-like (From Topology)T: Ribonuclease H-likeF: RNase_TECOD (1.6)
CDNA_pol3_betae5fkwC3 A: a+b two layersX: DNA clamp (From Topology)H: DNA clamp (From Topology)T: DNA clampF: DNA_pol3_betaECOD (1.6)
CDNA_pol3_beta_2e5fkwC2 A: a+b two layersX: DNA clamp (From Topology)H: DNA clamp (From Topology)T: DNA clampF: DNA_pol3_beta_2ECOD (1.6)
CDNA_pol3_beta_3e5fkwC1 A: a+b two layersX: DNA clamp (From Topology)H: DNA clamp (From Topology)T: DNA clampF: DNA_pol3_beta_3ECOD (1.6)
BDNA_pol3_betae5fkwB2 A: a+b two layersX: DNA clamp (From Topology)H: DNA clamp (From Topology)T: DNA clampF: DNA_pol3_betaECOD (1.6)
BDNA_pol3_beta_2e5fkwB3 A: a+b two layersX: DNA clamp (From Topology)H: DNA clamp (From Topology)T: DNA clampF: DNA_pol3_beta_2ECOD (1.6)
BDNA_pol3_beta_3e5fkwB1 A: a+b two layersX: DNA clamp (From Topology)H: DNA clamp (From Topology)T: DNA clampF: DNA_pol3_beta_3ECOD (1.6)
AHHH_6e5fkwA3 A: alpha arraysX: HhH/H2THH: SAM/DNA-glycosylaseT: SAM domain-likeF: HHH_6ECOD (1.6)
ADNA_pol3_alpha_Ce5fkwA4 A: alpha arraysX: DNA polymerase III finger domain (From Topology)H: DNA polymerase III finger domain (From Topology)T: DNA polymerase III finger domainF: DNA_pol3_alpha_CECOD (1.6)
ADNA_pol3_alpha_Ne5fkwA1 A: a+b three layersX: Nucleotidyltransferase-likeH: Nucleotidyltransferase (From Topology)T: NucleotidyltransferaseF: DNA_pol3_alpha_NECOD (1.6)
APHPe5fkwA2 A: a/b barrelsX: TIM beta/alpha-barrelH: TIM barrels (From Topology)T: TIM barrelsF: PHPECOD (1.6)

Protein Family Annotation Pfam Database Homepage

ChainsAccessionNameDescriptionCommentsSource
PF00929Exonuclease (RNase_T)ExonucleaseThis family includes a variety of exonuclease proteins, such as ribonuclease T and the epsilon subunit of DNA polymerase III.; Domain
B, C
PF02768DNA polymerase III beta subunit, C-terminal domain (DNA_pol3_beta_3)DNA polymerase III beta subunit, C-terminal domainA dimer of the beta subunit of DNA polymerase beta forms a ring which encircles duplex DNA. Each monomer contains three domains of identical topology and DNA clamp fold. Domain
B, C
PF02767DNA polymerase III beta subunit, central domain (DNA_pol3_beta_2)DNA polymerase III beta subunit, central domainA dimer of the beta subunit of DNA polymerase beta forms a ring which encircles duplex DNA. Each monomer contains three domains of identical topology and DNA clamp fold. Domain
B, C
PF00712DNA polymerase III beta subunit, N-terminal domain (DNA_pol3_beta)DNA polymerase III beta subunit, N-terminal domainA dimer of the beta subunit of DNA polymerase beta forms a ring which encircles duplex DNA. Each monomer contains three domains of identical topology and DNA clamp fold. Domain
PF02811PHP domain (PHP)PHP domain- Family
PF07733Bacterial DNA polymerase III alpha NTPase domain (DNA_pol3_alpha)Bacterial DNA polymerase III alpha NTPase domainDomain
PF14579Helix-hairpin-helix motif (HHH_6)Helix-hairpin-helix motifThe HHH domain is a short DNA-binding domain [1]. Domain
PF17657Bacterial DNA polymerase III alpha subunit finger domain (DNA_pol3_finger)Bacterial DNA polymerase III alpha subunit finger domainDomain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

ChainsPolymerMolecular FunctionBiological ProcessCellular Component
E [auth P]PRIMER-TEMPLATE DUPLEX DNA---
F [auth T]PRIMER-TEMPLATE DUPLEX DNA---
DNA POLYMERASE III EPSILON
B, C
DNA POLYMERASE III BETA
DNA POLYMERASE III ALPHA