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- PDB-8dr5: Open state of RFC:PCNA bound to a 3' ss/dsDNA junction (DNA2) with NTD -

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Basic information

Entry
Database: PDB / ID: 8dr5
TitleOpen state of RFC:PCNA bound to a 3' ss/dsDNA junction (DNA2) with NTD
Components
  • (Replication factor C subunit ...) x 5
  • DNA (5'-D(P*AP*GP*GP*GP*GP*GP*GP*GP*GP*GP*G)-3')
  • DNA (5'-D(P*CP*CP*CP*CP*CP*CP*CP*CP*CP*CP*TP*TP*T)-3')
  • DNA (5'-D(P*GP*GP*CP*CP*CP*CP*CP*CP*CP*GP*GP*C)-3')
  • DNA (5'-D(P*TP*TP*TP*CP*GP*GP*GP*GP*GP*GP*GP*CP*C)-3')
  • Proliferating cell nuclear antigen
KeywordsREPLICATION/DNA / REPLICATION-DNA complex
Function / homology
Function and homology information


DNA clamp unloader activity / DNA clamp unloading / Gap-filling DNA repair synthesis and ligation in GG-NER / Ctf18 RFC-like complex / Rad17 RFC-like complex / DNA replication factor C complex / Elg1 RFC-like complex / Polymerase switching / DNA clamp loader activity / Translesion Synthesis by POLH ...DNA clamp unloader activity / DNA clamp unloading / Gap-filling DNA repair synthesis and ligation in GG-NER / Ctf18 RFC-like complex / Rad17 RFC-like complex / DNA replication factor C complex / Elg1 RFC-like complex / Polymerase switching / DNA clamp loader activity / Translesion Synthesis by POLH / Translesion synthesis by REV1 / Translesion synthesis by POLK / Translesion synthesis by POLI / DNA replication checkpoint signaling / Activation of ATR in response to replication stress / Termination of translesion DNA synthesis / sister chromatid cohesion / mitotic sister chromatid cohesion / DNA polymerase processivity factor activity / leading strand elongation / regulation of DNA replication / Gap-filling DNA repair synthesis and ligation in TC-NER / Dual incision in TC-NER / mismatch repair / DNA damage checkpoint signaling / DNA-templated DNA replication / mitotic cell cycle / DNA replication / cell division / DNA repair / ATP hydrolysis activity / DNA binding / ATP binding / nucleus / cytosol
Similarity search - Function
Replication factor C subunit 1 / DNA replication factor RFC1, C-terminal / Replication factor RFC1 C terminal domain / Replication factor C, C-terminal / Replication factor C C-terminal domain / : / DNA polymerase III, delta subunit / DNA polymerase III, clamp loader complex, gamma/delta/delta subunit, C-terminal / Proliferating cell nuclear antigen signature 2. / Proliferating cell nuclear antigen, PCNA, conserved site ...Replication factor C subunit 1 / DNA replication factor RFC1, C-terminal / Replication factor RFC1 C terminal domain / Replication factor C, C-terminal / Replication factor C C-terminal domain / : / DNA polymerase III, delta subunit / DNA polymerase III, clamp loader complex, gamma/delta/delta subunit, C-terminal / 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 / : / BRCA1 C Terminus (BRCT) domain / breast cancer carboxy-terminal domain / BRCT domain profile. / BRCT domain / BRCT domain superfamily / ATPase family associated with various cellular activities (AAA) / ATPase, AAA-type, core / ATPases associated with a variety of cellular activities / AAA+ ATPase domain / P-loop containing nucleoside triphosphate hydrolase
Similarity search - Domain/homology
PHOSPHOTHIOPHOSPHORIC ACID-ADENYLATE ESTER / GUANOSINE-5'-DIPHOSPHATE / DNA / DNA (> 10) / Proliferating cell nuclear antigen / Replication factor C subunit 5 / Replication factor C subunit 3 / Replication factor C subunit 1 / Replication factor C subunit 4 / Replication factor C subunit 2
Similarity search - Component
Biological speciesSaccharomyces cerevisiae (brewer's yeast)
MethodELECTRON MICROSCOPY / single particle reconstruction / cryo EM / Resolution: 2.76 Å
AuthorsSchrecker, M. / Hite, R.K.
Funding support United States, 3items
OrganizationGrant numberCountry
National Institutes of Health/National Cancer Institute (NIH/NCI)CA008748 United States
National Institutes of Health/National Institute of General Medical Sciences (NIH/NIGMS)GM107239 United States
National Institutes of Health/National Institute of General Medical Sciences (NIH/NIGMS)GM127428 United States
CitationJournal: Elife / Year: 2022
Title: Multistep loading of a DNA sliding clamp onto DNA by replication factor C.
Authors: Marina Schrecker / Juan C Castaneda / Sujan Devbhandari / Charanya Kumar / Dirk Remus / Richard K Hite /
Abstract: The DNA sliding clamp proliferating cell nuclear antigen (PCNA) is an essential co-factor for many eukaryotic DNA metabolic enzymes. PCNA is loaded around DNA by the ATP-dependent clamp loader ...The DNA sliding clamp proliferating cell nuclear antigen (PCNA) is an essential co-factor for many eukaryotic DNA metabolic enzymes. PCNA is loaded around DNA by the ATP-dependent clamp loader replication factor C (RFC), which acts at single-stranded (ss)/double-stranded DNA (dsDNA) junctions harboring a recessed 3' end (3' ss/dsDNA junctions) and at DNA nicks. To illuminate the loading mechanism we have investigated the structure of RFC:PCNA bound to ATPγS and 3' ss/dsDNA junctions or nicked DNA using cryogenic electron microscopy. Unexpectedly, we observe open and closed PCNA conformations in the RFC:PCNA:DNA complex, revealing that PCNA can adopt an open, planar conformation that allows direct insertion of dsDNA, and raising the question of whether PCNA ring closure is mechanistically coupled to ATP hydrolysis. By resolving multiple DNA-bound states of RFC:PCNA we observe that partial melting facilitates lateral insertion into the central channel formed by RFC:PCNA. We also resolve the Rfc1 N-terminal domain and demonstrate that its single BRCT domain participates in coordinating DNA prior to insertion into the central RFC channel, which promotes PCNA loading on the lagging strand of replication forks in vitro. Combined, our data suggest a comprehensive and fundamentally revised model for the RFC-catalyzed loading of PCNA onto DNA.
History
DepositionJul 20, 2022Deposition site: RCSB / Processing site: RCSB
Revision 1.0Aug 17, 2022Provider: repository / Type: Initial release
Revision 1.1Aug 24, 2022Group: Database references / Category: citation / citation_author
Item: _citation.journal_abbrev / _citation.journal_id_CSD ..._citation.journal_abbrev / _citation.journal_id_CSD / _citation.journal_id_ISSN / _citation.journal_volume / _citation.pdbx_database_id_DOI / _citation.pdbx_database_id_PubMed / _citation.title / _citation.year / _citation_author.identifier_ORCID
Revision 1.2Feb 14, 2024Group: Data collection / Category: chem_comp_atom / chem_comp_bond

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Structure visualization

Structure viewerMolecule:
MolmilJmol/JSmol

Downloads & links

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Assembly

Deposited unit
A: Replication factor C subunit 1
B: Replication factor C subunit 4
C: Replication factor C subunit 3
D: Replication factor C subunit 2
E: Replication factor C subunit 5
F: Proliferating cell nuclear antigen
G: Proliferating cell nuclear antigen
H: Proliferating cell nuclear antigen
I: DNA (5'-D(P*TP*TP*TP*CP*GP*GP*GP*GP*GP*GP*GP*CP*C)-3')
J: DNA (5'-D(P*GP*GP*CP*CP*CP*CP*CP*CP*CP*GP*GP*C)-3')
K: DNA (5'-D(P*AP*GP*GP*GP*GP*GP*GP*GP*GP*GP*G)-3')
L: DNA (5'-D(P*CP*CP*CP*CP*CP*CP*CP*CP*CP*CP*TP*TP*T)-3')
hetero molecules


Theoretical massNumber of molelcules
Total (without water)366,48521
Polymers363,85112
Non-polymers2,6339
Water00
1


  • Idetical with deposited unit
  • defined by author
TypeNameSymmetry operationNumber
identity operation1_5551

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Components

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Replication factor C subunit ... , 5 types, 5 molecules ABCDE

#1: Protein Replication factor C subunit 1 / Replication factor C1 / Activator 1 95 kDa subunit / Cell division control protein 44


Mass: 101689.086 Da / Num. of mol.: 1
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Saccharomyces cerevisiae (brewer's yeast)
Gene: RFC1, CDC44, YOR217W, YOR50-7 / Production host: Saccharomyces cerevisiae (brewer's yeast) / References: UniProt: P38630
#2: Protein Replication factor C subunit 4 / Replication factor C4 / Activator 1 37 kDa subunit


Mass: 36201.039 Da / Num. of mol.: 1
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Saccharomyces cerevisiae (brewer's yeast)
Gene: RFC4, YOL094C, O0923 / Production host: Saccharomyces cerevisiae (brewer's yeast) / References: UniProt: P40339
#3: Protein Replication factor C subunit 3 / Replication factor C3 / Activator 1 40 kDa subunit


Mass: 38254.543 Da / Num. of mol.: 1
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Saccharomyces cerevisiae (brewer's yeast)
Gene: RFC3, YNL290W, N0533 / Production host: Saccharomyces cerevisiae (brewer's yeast) / References: UniProt: P38629
#4: Protein Replication factor C subunit 2 / Replication factor C2 / Activator 1 41 kDa subunit


Mass: 39794.473 Da / Num. of mol.: 1
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Saccharomyces cerevisiae (brewer's yeast)
Gene: RFC2, YJR068W, J1808 / Production host: Saccharomyces cerevisiae (brewer's yeast) / References: UniProt: P40348
#5: Protein Replication factor C subunit 5 / Replication factor C5 / Activator 1 40 kDa subunit


Mass: 39993.582 Da / Num. of mol.: 1
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Saccharomyces cerevisiae (brewer's yeast)
Gene: RFC5, YBR087W, YBR0810 / Production host: Saccharomyces cerevisiae (brewer's yeast) / References: UniProt: P38251

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Protein , 1 types, 3 molecules FGH

#6: Protein Proliferating cell nuclear antigen


Mass: 30991.285 Da / Num. of mol.: 3
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Saccharomyces cerevisiae (brewer's yeast)
Gene: PCNA, POL30, GI527_G0000300 / Production host: Saccharomyces cerevisiae (brewer's yeast) / References: UniProt: A0A6B7JGY6

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DNA chain , 4 types, 4 molecules IJKL

#7: DNA chain DNA (5'-D(P*TP*TP*TP*CP*GP*GP*GP*GP*GP*GP*GP*CP*C)-3')


Mass: 4039.606 Da / Num. of mol.: 1 / Source method: obtained synthetically / Source: (synth.) Saccharomyces cerevisiae (brewer's yeast)
#8: DNA chain DNA (5'-D(P*GP*GP*CP*CP*CP*CP*CP*CP*CP*GP*GP*C)-3')


Mass: 3585.320 Da / Num. of mol.: 1 / Source method: obtained synthetically / Source: (synth.) Saccharomyces cerevisiae (brewer's yeast)
#9: DNA chain DNA (5'-D(P*AP*GP*GP*GP*GP*GP*GP*GP*GP*GP*G)-3')


Mass: 3560.307 Da / Num. of mol.: 1 / Source method: obtained synthetically / Source: (synth.) Saccharomyces cerevisiae (brewer's yeast)
#10: DNA chain DNA (5'-D(P*CP*CP*CP*CP*CP*CP*CP*CP*CP*CP*TP*TP*T)-3')


Mass: 3759.439 Da / Num. of mol.: 1 / Source method: obtained synthetically / Source: (synth.) Saccharomyces cerevisiae (brewer's yeast)

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Non-polymers , 3 types, 9 molecules

#11: Chemical
ChemComp-MG / MAGNESIUM ION


Mass: 24.305 Da / Num. of mol.: 4 / Source method: obtained synthetically / Formula: Mg
#12: Chemical
ChemComp-AGS / PHOSPHOTHIOPHOSPHORIC ACID-ADENYLATE ESTER / ATP-GAMMA-S / ADENOSINE 5'-(3-THIOTRIPHOSPHATE) / ADENOSINE 5'-(GAMMA-THIOTRIPHOSPHATE) / ADENOSINE-5'-DIPHOSPHATE MONOTHIOPHOSPHATE


Mass: 523.247 Da / Num. of mol.: 4 / Source method: obtained synthetically / Formula: C10H16N5O12P3S / Feature type: SUBJECT OF INVESTIGATION / Comment: ATP-gamma-S, energy-carrying molecule analogue*YM
#13: Chemical ChemComp-GDP / GUANOSINE-5'-DIPHOSPHATE


Type: RNA linking / Mass: 443.201 Da / Num. of mol.: 1 / Source method: obtained synthetically / Formula: C10H15N5O11P2 / Feature type: SUBJECT OF INVESTIGATION / Comment: GDP, energy-carrying molecule*YM

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Details

Has ligand of interestY

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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: Open state of RFC:PCNA bound to a 3' ss/dsDNA junction (DNA2) with NTD
Type: COMPLEX / Entity ID: #1-#10 / Source: RECOMBINANT
Molecular weightExperimental value: NO
Source (natural)Organism: Saccharomyces cerevisiae (brewer's yeast)
Source (recombinant)Organism: Saccharomyces cerevisiae (brewer's yeast)
Buffer solutionpH: 7.6
Buffer component
IDConc.NameBuffer-ID
125 mMHEPES-KOH1
2300 mMpotassium acetate1
37 mMmagnesium acetate1
SpecimenConc.: 1 mg/ml / Embedding applied: NO / Shadowing applied: NO / Staining applied: NO / Vitrification applied: YES
Specimen supportGrid material: GRAPHENE OXIDE / Grid mesh size: 400 divisions/in. / Grid type: Quantifoil R1.2/1.3
VitrificationInstrument: FEI VITROBOT MARK IV / Cryogen name: ETHANE / Humidity: 100 % / Chamber temperature: 297 K

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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: 2000 nm / Nominal defocus min: 700 nm
Image recordingElectron dose: 66 e/Å2 / Film or detector model: GATAN K3 (6k x 4k)

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Processing

SoftwareName: PHENIX / Version: 1.20.1_4487: / Classification: refinement
EM software
IDNameVersionCategory
2SerialEMimage acquisition
7PHENIXmodel fitting
9PHENIXmodel refinement
13cryoSPARC3.33D reconstruction
CTF correctionType: PHASE FLIPPING AND AMPLITUDE CORRECTION
3D reconstructionResolution: 2.76 Å / Resolution method: FSC 0.143 CUT-OFF / Num. of particles: 61483 / Symmetry type: POINT
Refine LS restraints
Refine-IDTypeDev idealNumber
ELECTRON MICROSCOPYf_bond_d0.00223240
ELECTRON MICROSCOPYf_angle_d0.46631618
ELECTRON MICROSCOPYf_dihedral_angle_d12.3533489
ELECTRON MICROSCOPYf_chiral_restr0.0383674
ELECTRON MICROSCOPYf_plane_restr0.0043847

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