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- PDB-9f6f: Human DNA polymerase epsilon bound to DNA and PCNA (closed confor... -

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Basic information

Entry
Database: PDB / ID: 9f6f
TitleHuman DNA polymerase epsilon bound to DNA and PCNA (closed conformation)
Components
  • DNA nascent strand
  • DNA polymerase epsilon catalytic subunit A
  • DNA template strand
  • Proliferating cell nuclear antigen
KeywordsREPLICATION / DNA / polymerase / epsilon / PCNA / leading strand / human / replisome / proofreading
Function / homology
Function and homology information


DNA replication initiation / epsilon DNA polymerase complex / positive regulation of deoxyribonuclease activity / dinucleotide insertion or deletion binding / PCNA-p21 complex / mitotic telomere maintenance via semi-conservative replication / purine-specific mismatch base pair DNA N-glycosylase activity / nuclear lamina / MutLalpha complex binding / positive regulation of DNA-directed DNA polymerase activity ...DNA replication initiation / epsilon DNA polymerase complex / positive regulation of deoxyribonuclease activity / dinucleotide insertion or deletion binding / PCNA-p21 complex / mitotic telomere maintenance via semi-conservative replication / purine-specific mismatch base pair DNA N-glycosylase activity / nuclear lamina / MutLalpha complex binding / positive regulation of DNA-directed DNA polymerase activity / Polymerase switching / Telomere C-strand (Lagging Strand) Synthesis / Processive synthesis on the lagging strand / PCNA complex / single-stranded DNA 3'-5' DNA exonuclease activity / Removal of the Flap Intermediate / Processive synthesis on the C-strand of the telomere / Mismatch repair (MMR) directed by MSH2:MSH3 (MutSbeta) / Polymerase switching on the C-strand of the telomere / Mismatch repair (MMR) directed by MSH2:MSH6 (MutSalpha) / Transcription of E2F targets under negative control by DREAM complex / Removal of the Flap Intermediate from the C-strand / replisome / Hydrolases; Acting on ester bonds; Exodeoxyribonucleases producing 5'-phosphomonoesters / response to L-glutamate / nucleotide-excision repair, DNA gap filling / DNA replication proofreading / histone acetyltransferase binding / DNA synthesis involved in DNA repair / DNA polymerase processivity factor activity / G1/S-Specific Transcription / response to dexamethasone / leading strand elongation / replication fork processing / nuclear replication fork / SUMOylation of DNA replication proteins / estrous cycle / Activation of the pre-replicative complex / PCNA-Dependent Long Patch Base Excision Repair / embryonic organ development / mismatch repair / translesion synthesis / cyclin-dependent protein kinase holoenzyme complex / response to cadmium ion / DNA polymerase binding / epithelial cell differentiation / positive regulation of DNA repair / Translesion synthesis by REV1 / Translesion synthesis by POLK / Translesion synthesis by POLI / Gap-filling DNA repair synthesis and ligation in GG-NER / base-excision repair, gap-filling / TP53 Regulates Transcription of Genes Involved in G2 Cell Cycle Arrest / positive regulation of DNA replication / replication fork / male germ cell nucleus / liver regeneration / nuclear estrogen receptor binding / Recognition of DNA damage by PCNA-containing replication complex / Termination of translesion DNA synthesis / Translesion Synthesis by POLH / HDR through Homologous Recombination (HRR) / Dual Incision in GG-NER / DNA-templated DNA replication / receptor tyrosine kinase binding / cellular response to hydrogen peroxide / Dual incision in TC-NER / G1/S transition of mitotic cell cycle / Gap-filling DNA repair synthesis and ligation in TC-NER / cellular response to UV / cellular response to xenobiotic stimulus / E3 ubiquitin ligases ubiquitinate target proteins / response to estradiol / heart development / mitotic cell cycle / 4 iron, 4 sulfur cluster binding / DNA replication / damaged DNA binding / chromosome, telomeric region / DNA-directed DNA polymerase / DNA-directed DNA polymerase activity / nuclear body / nucleotide binding / centrosome / chromatin binding / chromatin / protein-containing complex binding / enzyme binding / negative regulation of transcription by RNA polymerase II / DNA binding / zinc ion binding / extracellular exosome / nucleoplasm / identical protein binding / nucleus / plasma membrane
Similarity search - Function
DNA polymerase epsilon, catalytic subunit A, C-terminal / DNA polymerase epsilon catalytic subunit / Domain of unknown function (DUF1744) / DUF1744 / Proliferating cell nuclear antigen signature 2. / Proliferating cell nuclear antigen, PCNA, conserved site / Proliferating cell nuclear antigen signature 1. / Proliferating cell nuclear antigen, PCNA / Proliferating cell nuclear antigen, PCNA, N-terminal / Proliferating cell nuclear antigen, PCNA, C-terminal ...DNA polymerase epsilon, catalytic subunit A, C-terminal / DNA polymerase epsilon catalytic subunit / Domain of unknown function (DUF1744) / DUF1744 / Proliferating cell nuclear antigen signature 2. / Proliferating cell nuclear antigen, PCNA, conserved site / Proliferating cell nuclear antigen signature 1. / Proliferating cell nuclear antigen, PCNA / Proliferating cell nuclear antigen, PCNA, N-terminal / Proliferating cell nuclear antigen, PCNA, C-terminal / Proliferating cell nuclear antigen, N-terminal domain / Proliferating cell nuclear antigen, C-terminal domain / DNA polymerase family B, thumb domain / : / DNA polymerase family B / DNA polymerase family B, exonuclease domain / DNA-directed DNA polymerase, family B, exonuclease domain / DNA-directed DNA polymerase, family B, multifunctional domain / DNA polymerase, palm domain superfamily / DNA polymerase type-B family / DNA-directed DNA polymerase, family B / Ribonuclease H superfamily / Ribonuclease H-like superfamily / DNA/RNA polymerase superfamily
Similarity search - Domain/homology
2',3'-dideoxyadenosine triphosphate / IRON/SULFUR CLUSTER / DNA / DNA (> 10) / Proliferating cell nuclear antigen / DNA polymerase epsilon catalytic subunit A
Similarity search - Component
Biological speciesHomo sapiens (human)
synthetic construct (others)
MethodELECTRON MICROSCOPY / single particle reconstruction / cryo EM / Resolution: 3.75 Å
AuthorsRoske, J.J. / Yeeles, J.T.P.
Funding support United Kingdom, 1items
OrganizationGrant numberCountry
UK Research and Innovation (UKRI) United Kingdom
CitationJournal: Nat.Struct.Mol.Biol. / Year: 2024
Title: Structural basis for processive daughter-strand synthesis and proofreading by the human leading-strand DNA polymerase Pol epsilon.
Authors: Roske, J.J. / Yeeles, J.T.P.
History
DepositionMay 1, 2024Deposition site: PDBE / Processing site: PDBE
Revision 1.0Aug 7, 2024Provider: repository / Type: Initial release

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Structure visualization

Structure viewerMolecule:
MolmilJmol/JSmol

Downloads & links

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Assembly

Deposited unit
A: DNA polymerase epsilon catalytic subunit A
B: Proliferating cell nuclear antigen
C: Proliferating cell nuclear antigen
D: Proliferating cell nuclear antigen
P: DNA nascent strand
T: DNA template strand
hetero molecules


Theoretical massNumber of molelcules
Total (without water)244,4608
Polymers243,6336
Non-polymers8272
Water00
1


  • Idetical with deposited unit
  • defined by author&software
  • Evidence: electron microscopy, not applicable
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1

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Components

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Protein , 2 types, 4 molecules ABCD

#1: Protein DNA polymerase epsilon catalytic subunit A / 3'-5' exodeoxyribonuclease / DNA polymerase II subunit A


Mass: 138137.562 Da / Num. of mol.: 1 / Mutation: D275A E277A
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Homo sapiens (human) / Gene: POLE, POLE1 / Production host: Trichoplusia ni (cabbage looper)
References: UniProt: Q07864, DNA-directed DNA polymerase, Hydrolases; Acting on ester bonds; Exodeoxyribonucleases producing 5'-phosphomonoesters
#2: Protein Proliferating cell nuclear antigen / PCNA / Cyclin


Mass: 28795.752 Da / Num. of mol.: 3
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Homo sapiens (human) / Gene: PCNA / Production host: Escherichia coli BL21(DE3) (bacteria) / References: UniProt: P12004

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DNA chain , 2 types, 2 molecules PT

#3: DNA chain DNA nascent strand


Mass: 7074.585 Da / Num. of mol.: 1
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) synthetic construct (others) / Production host: synthetic construct (others)
#4: DNA chain DNA template strand


Mass: 12033.732 Da / Num. of mol.: 1
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) synthetic construct (others) / Production host: synthetic construct (others)

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Non-polymers , 2 types, 2 molecules

#5: Chemical ChemComp-SF4 / IRON/SULFUR CLUSTER


Mass: 351.640 Da / Num. of mol.: 1 / Source method: obtained synthetically / Formula: Fe4S4
#6: Chemical ChemComp-DDS / 2',3'-dideoxyadenosine triphosphate


Mass: 475.182 Da / Num. of mol.: 1 / Source method: obtained synthetically / Formula: C10H16N5O11P3

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Details

Has ligand of interestN

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Experimental details

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Experiment

ExperimentMethod: ELECTRON MICROSCOPY
EM experimentAggregation state: PARTICLE / 3D reconstruction method: single particle reconstruction

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Sample preparation

ComponentName: Quaternary Complex of human leading strand polymerase epsilon, Proliferating cell nuclear antigen (PCNA), substrate DNA and incoming nucleotide.
Type: COMPLEX / Entity ID: #1-#4 / Source: RECOMBINANT
Molecular weightExperimental value: NO
Source (natural)Organism: Homo sapiens (human)
Source (recombinant)Organism: Trichoplusia ni (cabbage looper)
Buffer solutionpH: 7.5
SpecimenEmbedding applied: NO / Shadowing applied: NO / Staining applied: NO / Vitrification applied: YES
VitrificationCryogen name: ETHANE

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Electron microscopy imaging

Experimental equipment
Model: Titan Krios / Image courtesy: FEI Company
MicroscopyModel: FEI TITAN KRIOS
Electron gunElectron source: FIELD EMISSION GUN / Accelerating voltage: 300 kV / Illumination mode: FLOOD BEAM
Electron lensMode: BRIGHT FIELD / Nominal defocus max: 3000 nm / Nominal defocus min: 800 nm
Image recordingElectron dose: 40.08 e/Å2 / Film or detector model: GATAN K3 BIOQUANTUM (6k x 4k)

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Processing

EM softwareName: PHENIX / Version: 1.21_5207 / Category: model refinement
CTF correctionType: PHASE FLIPPING AND AMPLITUDE CORRECTION
3D reconstructionResolution: 3.75 Å / Resolution method: FSC 0.143 CUT-OFF / Num. of particles: 92356 / Symmetry type: POINT
RefinementCross valid method: NONE

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