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- PDB-9chm: Cryo-EM structure of FAN1 R507H and PCNA in intermediate state -

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Basic information

Entry
Database: PDB / ID: 9chm
TitleCryo-EM structure of FAN1 R507H and PCNA in intermediate state
Components
  • Fanconi-associated nuclease 1
  • Proliferating cell nuclear antigen
KeywordsPROTEIN BINDING / nuclease / CAG expansion / DNA repair / Huntington's disease / DNA BINDING PROTEIN
Function / homology
Function and homology information


flap-structured DNA binding / phosphodiesterase I / positive regulation of deoxyribonuclease activity / dinucleotide insertion or deletion binding / PCNA-p21 complex / mitotic telomere maintenance via semi-conservative replication / 5'-flap endonuclease activity / purine-specific mismatch base pair DNA N-glycosylase activity / nuclear lamina / positive regulation of DNA-directed DNA polymerase activity ...flap-structured DNA binding / phosphodiesterase I / positive regulation of deoxyribonuclease activity / dinucleotide insertion or deletion binding / PCNA-p21 complex / mitotic telomere maintenance via semi-conservative replication / 5'-flap endonuclease activity / purine-specific mismatch base pair DNA N-glycosylase activity / nuclear lamina / positive regulation of DNA-directed DNA polymerase activity / Polymerase switching / Telomere C-strand (Lagging Strand) Synthesis / MutLalpha complex binding / Processive synthesis on the lagging strand / PCNA complex / Removal of the Flap Intermediate / Hydrolases; Acting on ester bonds; Endodeoxyribonucleases producing 5'-phosphomonoesters / Processive synthesis on the C-strand of the telomere / Polymerase switching on the C-strand of the telomere / Removal of the Flap Intermediate from the C-strand / Mismatch repair (MMR) directed by MSH2:MSH3 (MutSbeta) / Mismatch repair (MMR) directed by MSH2:MSH6 (MutSalpha) / ubiquitin-modified protein reader activity / Transcription of E2F targets under negative control by DREAM complex / replisome / 5'-3' exonuclease activity / phosphodiesterase I activity / response to L-glutamate / histone acetyltransferase binding / DNA polymerase processivity factor activity / leading strand elongation / G1/S-Specific Transcription / response to dexamethasone / replication fork processing / nuclear replication fork / SUMOylation of DNA replication proteins / PCNA-Dependent Long Patch Base Excision Repair / translesion synthesis / mismatch repair / interstrand cross-link repair / intercellular bridge / response to cadmium ion / estrous cycle / cyclin-dependent protein kinase holoenzyme complex / base-excision repair, gap-filling / DNA polymerase binding / epithelial cell differentiation / male germ cell nucleus / positive regulation of DNA repair / TP53 Regulates Transcription of Genes Involved in G2 Cell Cycle Arrest / Translesion synthesis by REV1 / Translesion synthesis by POLK / liver regeneration / Translesion synthesis by POLI / replication fork / Gap-filling DNA repair synthesis and ligation in GG-NER / positive regulation of DNA replication / nuclear estrogen receptor binding / nucleotide-excision repair / Fanconi Anemia Pathway / Termination of translesion DNA synthesis / Recognition of DNA damage by PCNA-containing replication complex / double-strand break repair via homologous recombination / Translesion Synthesis by POLH / receptor tyrosine kinase binding / HDR through Homologous Recombination (HRR) / Dual Incision in GG-NER / cellular response to hydrogen peroxide / Dual incision in TC-NER / 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 / damaged DNA binding / chromosome, telomeric region / nuclear body / cilium / DNA repair / centrosome / chromatin binding / protein-containing complex binding / chromatin / enzyme binding / negative regulation of transcription by RNA polymerase II / magnesium ion binding / extracellular exosome / zinc ion binding / nucleoplasm / identical protein binding / nucleus / cytosol
Similarity search - Function
: / : / : / Fanconi-associated nuclease 1, SAP subdomain / Fanconi-associated nuclease 1, TPR domain / Fanconi-associated nuclease 1-like / : / FAN1, HTH domain / VRR-NUC domain / VRR-NUC domain ...: / : / : / Fanconi-associated nuclease 1, SAP subdomain / Fanconi-associated nuclease 1, TPR domain / Fanconi-associated nuclease 1-like / : / FAN1, HTH domain / VRR-NUC domain / VRR-NUC domain / VRR_NUC / Rad18-like CCHC zinc finger / tRNA endonuclease-like domain superfamily / 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 / Rad18, zinc finger UBZ4-type / Zinc finger UBZ4-type profile. / :
Similarity search - Domain/homology
Proliferating cell nuclear antigen / Fanconi-associated nuclease 1
Similarity search - Component
Biological speciesHomo sapiens (human)
MethodELECTRON MICROSCOPY / single particle reconstruction / cryo EM / Resolution: 3.47 Å
AuthorsFenglin, L. / Anna, P.
Funding support United States, 1items
OrganizationGrant numberCountry
National Institutes of Health/National Institute of General Medical Sciences (NIH/NIGMS) United States
CitationJournal: To Be Published
Title: cryo-EM structure of FAN1 R507H-PCNA complex in intermediate state
Authors: Fenglin, L. / Anna, P.
History
DepositionJul 1, 2024Deposition site: RCSB / Processing site: RCSB
Revision 1.0Feb 19, 2025Provider: repository / Type: Initial release
Revision 1.0Feb 19, 2025Data content type: EM metadata / Data content type: EM metadata / Provider: repository / Type: Initial release
Revision 1.0Feb 19, 2025Data content type: Half map / Part number: 1 / Data content type: Half map / Provider: repository / Type: Initial release
Revision 1.0Feb 19, 2025Data content type: Half map / Part number: 2 / Data content type: Half map / Provider: repository / Type: Initial release
Revision 1.0Feb 19, 2025Data content type: Image / Data content type: Image / Provider: repository / Type: Initial release
Revision 1.0Feb 19, 2025Data content type: Primary map / Data content type: Primary map / Provider: repository / Type: Initial release
Revision 1.1Jun 4, 2025Group: Data collection / Category: em_admin / em_software / Item: _em_admin.last_update / _em_software.name
Revision 1.1Jun 4, 2025Data content type: EM metadata / Data content type: EM metadata / EM metadata / Group: Data processing / Experimental summary / Data content type: EM metadata / EM metadata / Category: em_admin / em_software / Data content type: EM metadata / EM metadata / Item: _em_admin.last_update / _em_software.name

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Structure visualization

Structure viewerMolecule:
MolmilJmol/JSmol

Downloads & links

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Assembly

Deposited unit
E: Fanconi-associated nuclease 1
B: Proliferating cell nuclear antigen
C: Proliferating cell nuclear antigen
D: Proliferating cell nuclear antigen


Theoretical massNumber of molelcules
Total (without water)107,3234
Polymers107,3234
Non-polymers00
Water00
1


  • Idetical with deposited unit
  • defined by author
  • Evidence: electron microscopy, not applicable
TypeNameSymmetry operationNumber
identity operation1_5551

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Components

#1: Protein Fanconi-associated nuclease 1 / FANCD2/FANCI-associated nuclease 1 / hFAN1 / Myotubularin-related protein 15


Mass: 20935.492 Da / Num. of mol.: 1 / Mutation: R507H
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Homo sapiens (human) / Gene: FAN1, KIAA1018, MTMR15 / Production host: Escherichia coli BL21(DE3) (bacteria)
References: UniProt: Q9Y2M0, Hydrolases; Acting on ester bonds; Endodeoxyribonucleases producing 5'-phosphomonoesters, phosphodiesterase I
#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
Has protein modificationY

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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: FAN1 R507H-PCNA complex in intermediate state / Type: COMPLEX / Entity ID: all / Source: RECOMBINANT
Source (natural)Organism: Homo sapiens (human)
Source (recombinant)Organism: Escherichia coli BL21(DE3) (bacteria)
Buffer solutionpH: 7.5
SpecimenEmbedding applied: NO / Shadowing applied: NO / Staining applied: NO / Vitrification applied: YES
VitrificationCryogen name: ETHANE / Humidity: 100 %

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Electron microscopy imaging

Experimental equipment
Model: Titan Krios / Image courtesy: FEI Company
MicroscopyModel: TFS KRIOS
Electron gunElectron source: FIELD EMISSION GUN / Accelerating voltage: 300 kV / Illumination mode: OTHER
Electron lensMode: OTHER / Nominal defocus max: 2500 nm / Nominal defocus min: 500 nm
Image recordingElectron dose: 50 e/Å2 / Film or detector model: GATAN K3 (6k x 4k)

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Processing

EM softwareName: PHENIX / Category: model refinement
CTF correctionType: PHASE FLIPPING ONLY
3D reconstructionResolution: 3.47 Å / Resolution method: FSC 0.143 CUT-OFF / Num. of particles: 317000 / Symmetry type: POINT
Refine LS restraints
Refine-IDTypeDev idealNumber
ELECTRON MICROSCOPYf_bond_d0.0047602
ELECTRON MICROSCOPYf_angle_d0.7510265
ELECTRON MICROSCOPYf_dihedral_angle_d4.5171020
ELECTRON MICROSCOPYf_chiral_restr0.0441207
ELECTRON MICROSCOPYf_plane_restr0.0041316

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