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- PDB-9per: Structure of the S. cerevisiae clamp loader Replication Factor C ... -

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Basic information

Entry
Database: PDB / ID: 9per
TitleStructure of the S. cerevisiae clamp loader Replication Factor C (RFC) with mixed nucleotide occupancy
Components(Replication factor C subunit ...) x 5
KeywordsREPLICATION / AAA+ ATPase / Rossmann Fold / Complex / DNA replication
Function / homology
Function and homology information


Rad17 RFC-like complex / Gap-filling DNA repair synthesis and ligation in GG-NER / Elg1 RFC-like complex / DNA replication factor C complex / Ctf18 RFC-like complex / Polymerase switching / DNA clamp loader activity / Translesion synthesis by REV1 / Translesion synthesis by POLK / Translesion synthesis by POLI ...Rad17 RFC-like complex / Gap-filling DNA repair synthesis and ligation in GG-NER / Elg1 RFC-like complex / DNA replication factor C complex / Ctf18 RFC-like complex / Polymerase switching / DNA clamp loader activity / Translesion synthesis by REV1 / Translesion synthesis by POLK / Translesion synthesis by POLI / Translesion Synthesis by POLH / DNA replication checkpoint signaling / Termination of translesion DNA synthesis / Activation of ATR in response to replication stress / sister chromatid cohesion / mitotic sister chromatid cohesion / leading strand elongation / 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 / 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 / RFC1-like, AAA+ ATPase lid domain / Replication factor C subunit 3, C-terminal domain / RCF1/5-like, AAA+ ATPase lid domain / Replication factor C, C-terminal / Replication factor C C-terminal domain / : / DNA polymerase III, delta subunit ...Replication factor C subunit 1 / DNA replication factor RFC1, C-terminal / Replication factor RFC1 C terminal domain / RFC1-like, AAA+ ATPase lid domain / Replication factor C subunit 3, C-terminal domain / RCF1/5-like, AAA+ ATPase lid 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 / 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
ACETATE ION / ADENOSINE-5'-DIPHOSPHATE / GUANOSINE-5'-DIPHOSPHATE / 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: 2.57 Å
AuthorsPajak, J. / Kelch, B.A.
Funding support United States, 4items
OrganizationGrant numberCountry
American Cancer SocietyPF-22-114 United States
National Institutes of Health/National Institute of General Medical Sciences (NIH/NIGMS)R35GM156361 United States
National Institutes of Health/National Institute of General Medical Sciences (NIH/NIGMS)R01-GM127776 United States
National Institutes of Health/National Institute of General Medical Sciences (NIH/NIGMS)R01-GM145943 United States
CitationJournal: To Be Published
Title: PCNA is a Nucleotide Exchange Factor for the Clamp Loader ATPase Complex
Authors: Pajak, J. / Landeck, J.T. / Liu, X. / Anand, K. / Litvak, S. / Kelch, B.A.
History
DepositionJul 2, 2025Deposition site: RCSB / Processing site: RCSB
Revision 1.0Nov 12, 2025Provider: repository / Type: Initial release
Revision 1.0Nov 12, 2025Data content type: EM metadata / Data content type: EM metadata / Provider: repository / Type: Initial release
Revision 1.0Nov 12, 2025Data content type: FSC / Data content type: FSC / Provider: repository / Type: Initial release
Revision 1.0Nov 12, 2025Data content type: Half map / Part number: 1 / Data content type: Half map / Provider: repository / Type: Initial release
Revision 1.0Nov 12, 2025Data content type: Half map / Part number: 2 / Data content type: Half map / Provider: repository / Type: Initial release
Revision 1.0Nov 12, 2025Data content type: Image / Data content type: Image / Provider: repository / Type: Initial release
Revision 1.0Nov 12, 2025Data content type: Primary map / Data content type: Primary map / Provider: repository / Type: Initial release

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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
hetero molecules


Theoretical massNumber of molelcules
Total (without water)250,2809
Polymers249,2925
Non-polymers9884
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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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: 95048.195 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: Escherichia coli (E. coli) / 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: Escherichia coli (E. coli) / 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: Escherichia coli (E. coli) / 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: Escherichia coli (E. coli) / References: UniProt: P40348
#5: Protein Replication factor C subunit 5


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 / Production host: Escherichia coli (E. coli) / References: UniProt: P38251

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Non-polymers , 3 types, 4 molecules

#6: Chemical ChemComp-ACT / ACETATE ION


Mass: 59.044 Da / Num. of mol.: 2 / Source method: obtained synthetically / Formula: C2H3O2
#7: Chemical ChemComp-ADP / ADENOSINE-5'-DIPHOSPHATE


Mass: 427.201 Da / Num. of mol.: 1 / Source method: obtained synthetically / Formula: C10H15N5O10P2 / Feature type: SUBJECT OF INVESTIGATION / Comment: ADP, energy-carrying molecule*YM
#8: 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
Has protein modificationN

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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: RFC1-5 complex / Type: COMPLEX / Entity ID: #1-#5 / Source: RECOMBINANT
Molecular weightValue: 0.248 MDa / Experimental value: NO
Source (natural)Organism: Saccharomyces cerevisiae (brewer's yeast)
Source (recombinant)Organism: Escherichia coli (E. coli)
Buffer solutionpH: 7.5
SpecimenConc.: 2 mg/ml / Embedding 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: TFS KRIOS
Electron gunElectron source: FIELD EMISSION GUN / Accelerating voltage: 300 kV / Illumination mode: FLOOD BEAM
Electron lensMode: BRIGHT FIELD / Nominal defocus max: 2400 nm / Nominal defocus min: 1100 nm / Cs: 2.7 mm
Image recordingElectron dose: 49.9 e/Å2 / Film or detector model: GATAN K3 (6k x 4k) / Num. of real images: 7660

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Processing

EM software
IDNameVersionCategory
1cryoSPARC4.5particle selection
2PHENIX1.21.2_5419model refinement
13cryoSPARC4.53D reconstruction
CTF correctionType: PHASE FLIPPING AND AMPLITUDE CORRECTION
3D reconstructionResolution: 2.57 Å / Resolution method: FSC 0.143 CUT-OFF / Num. of particles: 212864 / Symmetry type: POINT
RefinementCross valid method: NONE
Stereochemistry target values: GeoStd + Monomer Library + CDL v1.2
Displacement parametersBiso mean: 127.43 Å2
Refine LS restraints
Refine-IDTypeDev idealNumber
ELECTRON MICROSCOPYf_bond_d0.002112530
ELECTRON MICROSCOPYf_angle_d0.414816951
ELECTRON MICROSCOPYf_chiral_restr0.03691972
ELECTRON MICROSCOPYf_plane_restr0.00282154
ELECTRON MICROSCOPYf_dihedral_angle_d5.11271705

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