4ESV | pdb_00004esv

A New Twist on the Translocation Mechanism of Helicases from the Structure of DnaB with its Substrates


Domain Annotation: ECOD Classification ECOD Database Homepage

ChainsFamily NameDomain Identifier ArchitecturePossible HomologyHomologyTopologyFamilyProvenance Source (Version)
J [auth H]DnaB_1ste4esvH2 A: alpha arraysX: DnaB helicase N-terminal domain-related (From Topology)H: DnaB helicase N-terminal domain-related (From Topology)T: DnaB helicase N-terminal domain-relatedF: DnaB_1stECOD (1.6)
J [auth H]DnaB_Ce4esvH1 A: a/b three-layered sandwichesX: P-loop domains-likeH: P-loop domains-relatedT: P-loop containing nucleoside triphosphate hydrolasesF: DnaB_CECOD (1.6)
N [auth L]DnaB_1ste4esvL3 A: alpha arraysX: DnaB helicase N-terminal domain-related (From Topology)H: DnaB helicase N-terminal domain-related (From Topology)T: DnaB helicase N-terminal domain-relatedF: DnaB_1stECOD (1.6)
N [auth L]DnaB_Ce4esvL2 A: a/b three-layered sandwichesX: P-loop domains-likeH: P-loop domains-relatedT: P-loop containing nucleoside triphosphate hydrolasesF: DnaB_CECOD (1.6)
M [auth K]DnaB_1ste4esvK2 A: alpha arraysX: DnaB helicase N-terminal domain-related (From Topology)H: DnaB helicase N-terminal domain-related (From Topology)T: DnaB helicase N-terminal domain-relatedF: DnaB_1stECOD (1.6)
M [auth K]DnaB_Ce4esvK1 A: a/b three-layered sandwichesX: P-loop domains-likeH: P-loop domains-relatedT: P-loop containing nucleoside triphosphate hydrolasesF: DnaB_CECOD (1.6)
L [auth J]DnaB_1ste4esvJ3 A: alpha arraysX: DnaB helicase N-terminal domain-related (From Topology)H: DnaB helicase N-terminal domain-related (From Topology)T: DnaB helicase N-terminal domain-relatedF: DnaB_1stECOD (1.6)
L [auth J]DnaB_Ce4esvJ2 A: a/b three-layered sandwichesX: P-loop domains-likeH: P-loop domains-relatedT: P-loop containing nucleoside triphosphate hydrolasesF: DnaB_CECOD (1.6)
K [auth I]DnaB_1ste4esvI2 A: alpha arraysX: DnaB helicase N-terminal domain-related (From Topology)H: DnaB helicase N-terminal domain-related (From Topology)T: DnaB helicase N-terminal domain-relatedF: DnaB_1stECOD (1.6)
K [auth I]DnaB_Ce4esvI1 A: a/b three-layered sandwichesX: P-loop domains-likeH: P-loop domains-relatedT: P-loop containing nucleoside triphosphate hydrolasesF: DnaB_CECOD (1.6)
I [auth G]DnaB_1ste4esvG2 A: alpha arraysX: DnaB helicase N-terminal domain-related (From Topology)H: DnaB helicase N-terminal domain-related (From Topology)T: DnaB helicase N-terminal domain-relatedF: DnaB_1stECOD (1.6)
I [auth G]DnaB_Ce4esvG1 A: a/b three-layered sandwichesX: P-loop domains-likeH: P-loop domains-relatedT: P-loop containing nucleoside triphosphate hydrolasesF: DnaB_CECOD (1.6)
H [auth F]DnaB_1ste4esvF2 A: alpha arraysX: DnaB helicase N-terminal domain-related (From Topology)H: DnaB helicase N-terminal domain-related (From Topology)T: DnaB helicase N-terminal domain-relatedF: DnaB_1stECOD (1.6)
H [auth F]DnaB_Ce4esvF1 A: a/b three-layered sandwichesX: P-loop domains-likeH: P-loop domains-relatedT: P-loop containing nucleoside triphosphate hydrolasesF: DnaB_CECOD (1.6)
G [auth E]DnaB_1ste4esvE3 A: alpha arraysX: DnaB helicase N-terminal domain-related (From Topology)H: DnaB helicase N-terminal domain-related (From Topology)T: DnaB helicase N-terminal domain-relatedF: DnaB_1stECOD (1.6)
G [auth E]DnaB_Ce4esvE2 A: a/b three-layered sandwichesX: P-loop domains-likeH: P-loop domains-relatedT: P-loop containing nucleoside triphosphate hydrolasesF: DnaB_CECOD (1.6)
F [auth D]DnaB_1ste4esvD2 A: alpha arraysX: DnaB helicase N-terminal domain-related (From Topology)H: DnaB helicase N-terminal domain-related (From Topology)T: DnaB helicase N-terminal domain-relatedF: DnaB_1stECOD (1.6)
F [auth D]DnaB_Ce4esvD1 A: a/b three-layered sandwichesX: P-loop domains-likeH: P-loop domains-relatedT: P-loop containing nucleoside triphosphate hydrolasesF: DnaB_CECOD (1.6)
E [auth C]DnaB_1ste4esvC1 A: alpha arraysX: DnaB helicase N-terminal domain-related (From Topology)H: DnaB helicase N-terminal domain-related (From Topology)T: DnaB helicase N-terminal domain-relatedF: DnaB_1stECOD (1.6)
E [auth C]DnaB_Ce4esvC2 A: a/b three-layered sandwichesX: P-loop domains-likeH: P-loop domains-relatedT: P-loop containing nucleoside triphosphate hydrolasesF: DnaB_CECOD (1.6)
D [auth B]DnaB_1ste4esvB4 A: alpha arraysX: DnaB helicase N-terminal domain-related (From Topology)H: DnaB helicase N-terminal domain-related (From Topology)T: DnaB helicase N-terminal domain-relatedF: DnaB_1stECOD (1.6)
D [auth B]DnaB_Ce4esvB3 A: a/b three-layered sandwichesX: P-loop domains-likeH: P-loop domains-relatedT: P-loop containing nucleoside triphosphate hydrolasesF: DnaB_CECOD (1.6)
C [auth A]DnaB_1ste4esvA4 A: alpha arraysX: DnaB helicase N-terminal domain-related (From Topology)H: DnaB helicase N-terminal domain-related (From Topology)T: DnaB helicase N-terminal domain-relatedF: DnaB_1stECOD (1.6)
C [auth A]DnaB_Ce4esvA3 A: a/b three-layered sandwichesX: P-loop domains-likeH: P-loop domains-relatedT: P-loop containing nucleoside triphosphate hydrolasesF: DnaB_CECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

ChainDomainClassArchitectureTopologyHomologyProvenance Source (Version)
J [auth H]1.10.860.10 Mainly Alpha Orthogonal Bundle DNAb Helicase Chain ACATH (4.3.0)
J [auth H]3.40.50.300 Alpha Beta 3-Layer(aba) Sandwich Rossmann fold P-loop containing nucleotide triphosphate hydrolasesCATH (4.3.0)
N [auth L]1.10.860.10 Mainly Alpha Orthogonal Bundle DNAb Helicase Chain ACATH (4.3.0)
N [auth L]3.40.50.300 Alpha Beta 3-Layer(aba) Sandwich Rossmann fold P-loop containing nucleotide triphosphate hydrolasesCATH (4.3.0)
M [auth K]1.10.860.10 Mainly Alpha Orthogonal Bundle DNAb Helicase Chain ACATH (4.3.0)
M [auth K]3.40.50.300 Alpha Beta 3-Layer(aba) Sandwich Rossmann fold P-loop containing nucleotide triphosphate hydrolasesCATH (4.3.0)
L [auth J]1.10.860.10 Mainly Alpha Orthogonal Bundle DNAb Helicase Chain ACATH (4.3.0)
L [auth J]3.40.50.300 Alpha Beta 3-Layer(aba) Sandwich Rossmann fold P-loop containing nucleotide triphosphate hydrolasesCATH (4.3.0)
K [auth I]1.10.860.10 Mainly Alpha Orthogonal Bundle DNAb Helicase Chain ACATH (4.3.0)
K [auth I]3.40.50.300 Alpha Beta 3-Layer(aba) Sandwich Rossmann fold P-loop containing nucleotide triphosphate hydrolasesCATH (4.3.0)
I [auth G]1.10.860.10 Mainly Alpha Orthogonal Bundle DNAb Helicase Chain ACATH (4.3.0)
I [auth G]3.40.50.300 Alpha Beta 3-Layer(aba) Sandwich Rossmann fold P-loop containing nucleotide triphosphate hydrolasesCATH (4.3.0)
H [auth F]1.10.860.10 Mainly Alpha Orthogonal Bundle DNAb Helicase Chain ACATH (4.3.0)
H [auth F]3.40.50.300 Alpha Beta 3-Layer(aba) Sandwich Rossmann fold P-loop containing nucleotide triphosphate hydrolasesCATH (4.3.0)
G [auth E]1.10.860.10 Mainly Alpha Orthogonal Bundle DNAb Helicase Chain ACATH (4.3.0)
G [auth E]3.40.50.300 Alpha Beta 3-Layer(aba) Sandwich Rossmann fold P-loop containing nucleotide triphosphate hydrolasesCATH (4.3.0)
F [auth D]1.10.860.10 Mainly Alpha Orthogonal Bundle DNAb Helicase Chain ACATH (4.3.0)
F [auth D]3.40.50.300 Alpha Beta 3-Layer(aba) Sandwich Rossmann fold P-loop containing nucleotide triphosphate hydrolasesCATH (4.3.0)
E [auth C]1.10.860.10 Mainly Alpha Orthogonal Bundle DNAb Helicase Chain ACATH (4.3.0)
E [auth C]3.40.50.300 Alpha Beta 3-Layer(aba) Sandwich Rossmann fold P-loop containing nucleotide triphosphate hydrolasesCATH (4.3.0)
D [auth B]1.10.860.10 Mainly Alpha Orthogonal Bundle DNAb Helicase Chain ACATH (4.3.0)
D [auth B]3.40.50.300 Alpha Beta 3-Layer(aba) Sandwich Rossmann fold P-loop containing nucleotide triphosphate hydrolasesCATH (4.3.0)
C [auth A]1.10.860.10 Mainly Alpha Orthogonal Bundle DNAb Helicase Chain ACATH (4.3.0)
C [auth A]3.40.50.300 Alpha Beta 3-Layer(aba) Sandwich Rossmann fold P-loop containing nucleotide triphosphate hydrolasesCATH (4.3.0)

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

ChainsPolymerMolecular FunctionBiological ProcessCellular Component
Replicative helicase
B [auth W]5'-D(P*TP*TP*TP*TP*TP*TP*TP*TP*TP*TP*TP*TP*T)-3'---
A [auth V]5'-D(P*TP*TP*TP*TP*TP*TP*TP*TP*TP*TP*TP*TP*TP*T)-3'---

InterPro: Protein Family Classification InterPro Database Homepage

ChainsAccessionNameType
IPR016136DNA helicase DnaB, N-terminal/DNA primase DnaG, C-terminalHomologous Superfamily
IPR007693DNA helicase, DnaB-like, N-terminalDomain
IPR007694DNA helicase, DnaB-like, C-terminalDomain
IPR007692DNA helicase, DnaB typeFamily
IPR036185DNA helicase, DnaB-like, N-terminal domain superfamilyHomologous Superfamily
IPR027417P-loop containing nucleoside triphosphate hydrolaseHomologous Superfamily