8tw7

Cryo-EM structure of S. cerevisiae Ctf18-RFC-PCNA complex in Apo state conformation I

Method: ELECTRON MICROSCOPY Dmax: 144.2 Å Quality: GOOD

1. Protein Identity and Related Structures Protein Identity & Related Structures

Replication factor C subunit 5

Saccharomyces cerevisiae

UniProt P38251

State in the Current Structure

Assembly Oligomeric State Construct Mutations and Modifications Ligands, Ions and Associated Components Method and Experimental Conditions Structure Quality
1 Protein heterocomplex Heteromer Protein × 8 PDB declaration: octameric(8) Consistent with protein copy count Chain 5; UniProt 4–353 Not recorded Replication factor C subunit 4 × 1 (P40339) Replication factor C subunit 3 × 1 (P38629) Replication factor C subunit 2 × 1 (P40348) Chromosome transmission fidelity protein 18 × 1 (P49956) Proliferating cell nuclear antigen × 3 (P15873) ADP ADENOSINE-5'-DIPHOSPHATE × 1 AGS PHOSPHOTHIOPHOSPHORIC ACID-ADENYLATE ESTER × 3 MG MAGNESIUM ION × 3 ELECTRON MICROSCOPY cryo-EM buffer:pH 7.4 cryo-EM vitrification conditions:Cryogen ETHANE Resolution 3.80 Å

Other States of the Same Protein in the Database

Each row is a biological assembly of the same UniProt protein in another PDB entry. The “Difference from current entry” column identifies evidence-level differences; no tag means the currently parsed fields agree.

49 other PDB entries and 49 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name RFC5_YEAST
Isoform
PDB entities 1
Chains and sequence ranges Author chain 5; PDBConstruct 4–353; UniProt 4–353

Replication factor C subunit 4

Saccharomyces cerevisiae

UniProt P40339

State in the Current Structure

Assembly Oligomeric State Construct Mutations and Modifications Ligands, Ions and Associated Components Method and Experimental Conditions Structure Quality
1 Protein heterocomplex Heteromer Protein × 8 PDB declaration: octameric(8) Consistent with protein copy count Chain 4; UniProt 8–322 Not recorded Replication factor C subunit 5 × 1 (P38251) Replication factor C subunit 3 × 1 (P38629) Replication factor C subunit 2 × 1 (P40348) Chromosome transmission fidelity protein 18 × 1 (P49956) Proliferating cell nuclear antigen × 3 (P15873) ADP ADENOSINE-5'-DIPHOSPHATE × 1 AGS PHOSPHOTHIOPHOSPHORIC ACID-ADENYLATE ESTER × 3 MG MAGNESIUM ION × 3 ELECTRON MICROSCOPY cryo-EM buffer:pH 7.4 cryo-EM vitrification conditions:Cryogen ETHANE Resolution 3.80 Å

Other States of the Same Protein in the Database

Each row is a biological assembly of the same UniProt protein in another PDB entry. The “Difference from current entry” column identifies evidence-level differences; no tag means the currently parsed fields agree.

49 other PDB entries and 49 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name RFC4_YEAST
Isoform
PDB entities 2
Chains and sequence ranges Author chain 4; PDBConstruct 1–315; UniProt 8–322

Replication factor C subunit 3

Saccharomyces cerevisiae

UniProt P38629

State in the Current Structure

Assembly Oligomeric State Construct Mutations and Modifications Ligands, Ions and Associated Components Method and Experimental Conditions Structure Quality
1 Protein heterocomplex Heteromer Protein × 8 PDB declaration: octameric(8) Consistent with protein copy count Chain 3; UniProt 9–335 Not recorded Replication factor C subunit 5 × 1 (P38251) Replication factor C subunit 4 × 1 (P40339) Replication factor C subunit 2 × 1 (P40348) Chromosome transmission fidelity protein 18 × 1 (P49956) Proliferating cell nuclear antigen × 3 (P15873) ADP ADENOSINE-5'-DIPHOSPHATE × 1 AGS PHOSPHOTHIOPHOSPHORIC ACID-ADENYLATE ESTER × 3 MG MAGNESIUM ION × 3 ELECTRON MICROSCOPY cryo-EM buffer:pH 7.4 cryo-EM vitrification conditions:Cryogen ETHANE Resolution 3.80 Å

Other States of the Same Protein in the Database

Each row is a biological assembly of the same UniProt protein in another PDB entry. The “Difference from current entry” column identifies evidence-level differences; no tag means the currently parsed fields agree.

49 other PDB entries and 49 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name RFC3_YEAST
Isoform
PDB entities 3
Chains and sequence ranges Author chain 3; PDBConstruct 1–327; UniProt 9–335

Replication factor C subunit 2

Saccharomyces cerevisiae

UniProt P40348

State in the Current Structure

Assembly Oligomeric State Construct Mutations and Modifications Ligands, Ions and Associated Components Method and Experimental Conditions Structure Quality
1 Protein heterocomplex Heteromer Protein × 8 PDB declaration: octameric(8) Consistent with protein copy count Chain 2; UniProt 14–353 Not recorded Replication factor C subunit 5 × 1 (P38251) Replication factor C subunit 4 × 1 (P40339) Replication factor C subunit 3 × 1 (P38629) Chromosome transmission fidelity protein 18 × 1 (P49956) Proliferating cell nuclear antigen × 3 (P15873) ADP ADENOSINE-5'-DIPHOSPHATE × 1 AGS PHOSPHOTHIOPHOSPHORIC ACID-ADENYLATE ESTER × 3 MG MAGNESIUM ION × 3 ELECTRON MICROSCOPY cryo-EM buffer:pH 7.4 cryo-EM vitrification conditions:Cryogen ETHANE Resolution 3.80 Å

Other States of the Same Protein in the Database

Each row is a biological assembly of the same UniProt protein in another PDB entry. The “Difference from current entry” column identifies evidence-level differences; no tag means the currently parsed fields agree.

49 other PDB entries and 49 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name RFC2_YEAST
Isoform
PDB entities 4
Chains and sequence ranges Author chain 2; PDBConstruct 1–340; UniProt 14–353

Chromosome transmission fidelity protein 18

Saccharomyces cerevisiae

UniProt P49956

State in the Current Structure

Assembly Oligomeric State Construct Mutations and Modifications Ligands, Ions and Associated Components Method and Experimental Conditions Structure Quality
1 Protein heterocomplex Heteromer Protein × 8 PDB declaration: octameric(8) Consistent with protein copy count Chain 1; UniProt 386–643 Not recorded Replication factor C subunit 5 × 1 (P38251) Replication factor C subunit 4 × 1 (P40339) Replication factor C subunit 3 × 1 (P38629) Replication factor C subunit 2 × 1 (P40348) Proliferating cell nuclear antigen × 3 (P15873) ADP ADENOSINE-5'-DIPHOSPHATE × 1 AGS PHOSPHOTHIOPHOSPHORIC ACID-ADENYLATE ESTER × 3 MG MAGNESIUM ION × 3 ELECTRON MICROSCOPY cryo-EM buffer:pH 7.4 cryo-EM vitrification conditions:Cryogen ETHANE Resolution 3.80 Å

Other States of the Same Protein in the Database

Each row is a biological assembly of the same UniProt protein in another PDB entry. The “Difference from current entry” column identifies evidence-level differences; no tag means the currently parsed fields agree.

10 other PDB entries and 14 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name CTF18_YEAST
Isoform
PDB entities 5
Chains and sequence ranges Author chain 1; PDBConstruct 1–258; UniProt 386–643

Proliferating cell nuclear antigen

Saccharomyces cerevisiae

UniProt P15873

State in the Current Structure

Assembly Oligomeric State Construct Mutations and Modifications Ligands, Ions and Associated Components Method and Experimental Conditions Structure Quality
1 Protein heterocomplex Heteromer Protein × 8 PDB declaration: octameric(8) Consistent with protein copy count Chain A; UniProt 1–258 Chain B; UniProt 1–258 Chain C; UniProt 1–258 Not recorded Replication factor C subunit 5 × 1 (P38251) Replication factor C subunit 4 × 1 (P40339) Replication factor C subunit 3 × 1 (P38629) Replication factor C subunit 2 × 1 (P40348) Chromosome transmission fidelity protein 18 × 1 (P49956) ADP ADENOSINE-5'-DIPHOSPHATE × 1 AGS PHOSPHOTHIOPHOSPHORIC ACID-ADENYLATE ESTER × 3 MG MAGNESIUM ION × 3 ELECTRON MICROSCOPY cryo-EM buffer:pH 7.4 cryo-EM vitrification conditions:Cryogen ETHANE Resolution 3.80 Å

Other States of the Same Protein in the Database

Each row is a biological assembly of the same UniProt protein in another PDB entry. The “Difference from current entry” column identifies evidence-level differences; no tag means the currently parsed fields agree.

55 other PDB entries and 61 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name PCNA_YEAST
Isoform
PDB entities 6
Chains and sequence ranges Author chain A; PDBConstruct 1–258; UniProt 1–258 Author chain B; PDBConstruct 1–258; UniProt 1–258 Author chain C; PDBConstruct 1–258; UniProt 1–258

The page prioritizes protein identity, the current assembly, associated components, oligomeric state and cross-PDB links. Chain mapping and sequence ranges are retained as data evidence. Internal IDs, import timestamps and assembly operation expressions are maintenance fields and are not shown here.

SAXS scattering curve SAXS Profile

SAXS profile for 8tw7

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 8tw7
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2. Structure Basics 2. Structure Basics

Entry ID entry_id8tw7
Deposition date deposition_date2023-08-20
Structure title titleCryo-EM structure of S. cerevisiae Ctf18-RFC-PCNA complex in Apo state conformation I
Keywords keywordsCtf18, RFC2-5, PCNA, DNA BINDING PROTEIN-DNA complex; DNA BINDING PROTEIN/DNA
Experimental Method methodELECTRON MICROSCOPY

3. SAXS Parameters (CRYSOL theoretical calculation) 3. SAXS Parameters (CRYSOL)

Radius of gyration Rg (Guinier) rg_guinier45.79
Radius of gyration Rg (electron density) rg_electron45.21
Forward intensity I(0) i0993421000.00
Molecular weight molecular_weight261160.0 kDa
Excluded volume excluded_volume327440 ų
Envelope volume envelope_volume493020 ų
Hydration-shell volume shell_volume88497 ų
Envelope diameter envelope_diameter149.1
Shell Rg shell_rg52.75
Envelope Rg envelope_rg43.35
Shape Rg shape_rg45.23
Total Rg total_rg45.49
Total atoms total_atoms18337
Residues n_residues2344
Spherical-harmonic order n_harmonics20
q range q_range— – 0.5000 −1
Data points n_points101
Shell type shell_typedirectional
Solvent electron density solvent_density0.3340 e/ų
Shell contrast contrast_shell0.0300 e/ų
CRYSOL version crysol_version4.1.3

4. P(r) Distance Distribution (GNOM inversion) 4. P(r) Analysis (GNOM)

Maximum dimension Dmax dmax144.2
Rg (real space) rg_real45.48
Rg uncertainty (real space) rg_real_error1.03
I(0) (real space) i0_real9.9340e+08
I(0) uncertainty (real space) i0_real_error1.8640e+07
Rg (reciprocal space) rg_reciprocal45.79
I(0) (reciprocal space) i0_reciprocal993800000.0000
Solution quality estimate total_estimate0.8928
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks1
Primary peak position r_peak_primary59.4
Skewness Skewness skewness0.068
Kurtosis Kurtosis kurtosis-0.521
Angular range angular_range— – 0.1700 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha81960000.0000
Real-space data points n_real_points35
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.904; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.964; Smooth: 0.924

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (9)

8. Citations (1)

9. Files and Curves (10)