8twa

Cryo-EM structure of S. cerevisiae Ctf18-RFC-PCNA-PolE-DNA complex

Method: ELECTRON MICROSCOPY
▼

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

Chromosome transmission fidelity protein 18

Saccharomyces cerevisiae

UniProt P49956

State in the Current Structure

Assembly Physical composition Protein state Molecular copy count Associated components Data consistency
1 Protein–DNA Heteromer Protein 12 DNA 2 Primer DNA × 1 Template DNA × 1 DNA polymerase epsilon catalytic subunit A × 1 (P21951) Chromosome transmission fidelity protein 8 × 1 (P38877) Sister chromatid cohesion protein DCC1 × 1 (P25559) Replication factor C subunit 4 × 1 (P40339) Replication factor C subunit 3 × 1 (P38629) Replication factor C subunit 2 × 1 (P40348) Replication factor C subunit 5 × 1 (P38251) Proliferating cell nuclear antigen × 3 (P15873) IRON/SULFUR CLUSTER × 1 PHOSPHOTHIOPHOSPHORIC ACID-ADENYLATE ESTER × 3 MAGNESIUM ION × 3 ADENOSINE-5'-DIPHOSPHATE × 1 Consistent with all polymers

Other States of the Same Protein in the Database

View Construct and Data Evidence
UniProt name CTF18_YEAST
Isoform —
PDB entities 1, 11
Chains and sequence ranges Author chain C; PDBConstruct 1–26; UniProt 715–740 Author chain 1; PDBConstruct 1–741; UniProt 1–741

DNA polymerase epsilon catalytic subunit A

Saccharomyces cerevisiae

UniProt P21951

State in the Current Structure

Assembly Physical composition Protein state Molecular copy count Associated components Data consistency
1 Protein–DNA Heteromer Protein 12 DNA 2 Chromosome transmission fidelity protein 18 × 1 (P49956) Primer DNA × 1 Template DNA × 1 Chromosome transmission fidelity protein 8 × 1 (P38877) Sister chromatid cohesion protein DCC1 × 1 (P25559) Replication factor C subunit 4 × 1 (P40339) Replication factor C subunit 3 × 1 (P38629) Replication factor C subunit 2 × 1 (P40348) Replication factor C subunit 5 × 1 (P38251) Chromosome transmission fidelity protein 18 × 1 (P49956) Proliferating cell nuclear antigen × 3 (P15873) IRON/SULFUR CLUSTER × 1 PHOSPHOTHIOPHOSPHORIC ACID-ADENYLATE ESTER × 3 MAGNESIUM ION × 3 ADENOSINE-5'-DIPHOSPHATE × 1 Consistent with all polymers

Other States of the Same Protein in the Database

View Construct and Data Evidence
UniProt name DPOE_YEAST
Isoform —
PDB entities 4
Chains and sequence ranges Author chain E; PDBConstruct 1–2222; UniProt 1–2222

Chromosome transmission fidelity protein 8

Saccharomyces cerevisiae

UniProt P38877

State in the Current Structure

Assembly Physical composition Protein state Molecular copy count Associated components Data consistency
1 Protein–DNA Heteromer Protein 12 DNA 2 Chromosome transmission fidelity protein 18 × 1 (P49956) Primer DNA × 1 Template DNA × 1 DNA polymerase epsilon catalytic subunit A × 1 (P21951) Sister chromatid cohesion protein DCC1 × 1 (P25559) Replication factor C subunit 4 × 1 (P40339) Replication factor C subunit 3 × 1 (P38629) Replication factor C subunit 2 × 1 (P40348) Replication factor C subunit 5 × 1 (P38251) Chromosome transmission fidelity protein 18 × 1 (P49956) Proliferating cell nuclear antigen × 3 (P15873) IRON/SULFUR CLUSTER × 1 PHOSPHOTHIOPHOSPHORIC ACID-ADENYLATE ESTER × 3 MAGNESIUM ION × 3 ADENOSINE-5'-DIPHOSPHATE × 1 Consistent with all polymers

Other States of the Same Protein in the Database

View Construct and Data Evidence
UniProt name CTF8_YEAST
Isoform —
PDB entities 5
Chains and sequence ranges Author chain D; PDBConstruct 1–132; UniProt 2–133

Sister chromatid cohesion protein DCC1

Saccharomyces cerevisiae

UniProt P25559

State in the Current Structure

Assembly Physical composition Protein state Molecular copy count Associated components Data consistency
1 Protein–DNA Heteromer Protein 12 DNA 2 Chromosome transmission fidelity protein 18 × 1 (P49956) Primer DNA × 1 Template DNA × 1 DNA polymerase epsilon catalytic subunit A × 1 (P21951) Chromosome transmission fidelity protein 8 × 1 (P38877) Replication factor C subunit 4 × 1 (P40339) Replication factor C subunit 3 × 1 (P38629) Replication factor C subunit 2 × 1 (P40348) Replication factor C subunit 5 × 1 (P38251) Chromosome transmission fidelity protein 18 × 1 (P49956) Proliferating cell nuclear antigen × 3 (P15873) IRON/SULFUR CLUSTER × 1 PHOSPHOTHIOPHOSPHORIC ACID-ADENYLATE ESTER × 3 MAGNESIUM ION × 3 ADENOSINE-5'-DIPHOSPHATE × 1 Consistent with all polymers

Other States of the Same Protein in the Database

View Construct and Data Evidence
UniProt name DCC1_YEAST
Isoform —
PDB entities 6
Chains and sequence ranges Author chain B; PDBConstruct 1–380; UniProt 1–380

Replication factor C subunit 4

Saccharomyces cerevisiae

UniProt P40339

State in the Current Structure

Assembly Physical composition Protein state Molecular copy count Associated components Data consistency
1 Protein–DNA Heteromer Protein 12 DNA 2 Chromosome transmission fidelity protein 18 × 1 (P49956) Primer DNA × 1 Template DNA × 1 DNA polymerase epsilon catalytic subunit A × 1 (P21951) Chromosome transmission fidelity protein 8 × 1 (P38877) Sister chromatid cohesion protein DCC1 × 1 (P25559) Replication factor C subunit 3 × 1 (P38629) Replication factor C subunit 2 × 1 (P40348) Replication factor C subunit 5 × 1 (P38251) Chromosome transmission fidelity protein 18 × 1 (P49956) Proliferating cell nuclear antigen × 3 (P15873) IRON/SULFUR CLUSTER × 1 PHOSPHOTHIOPHOSPHORIC ACID-ADENYLATE ESTER × 3 MAGNESIUM ION × 3 ADENOSINE-5'-DIPHOSPHATE × 1 Consistent with all polymers

Other States of the Same Protein in the Database

View Construct and Data Evidence
UniProt name RFC4_YEAST
Isoform —
PDB entities 7
Chains and sequence ranges Author chain 4; PDBConstruct 1–319; UniProt 4–322

Replication factor C subunit 3

Saccharomyces cerevisiae

UniProt P38629

State in the Current Structure

Assembly Physical composition Protein state Molecular copy count Associated components Data consistency
1 Protein–DNA Heteromer Protein 12 DNA 2 Chromosome transmission fidelity protein 18 × 1 (P49956) Primer DNA × 1 Template DNA × 1 DNA polymerase epsilon catalytic subunit A × 1 (P21951) Chromosome transmission fidelity protein 8 × 1 (P38877) Sister chromatid cohesion protein DCC1 × 1 (P25559) Replication factor C subunit 4 × 1 (P40339) Replication factor C subunit 2 × 1 (P40348) Replication factor C subunit 5 × 1 (P38251) Chromosome transmission fidelity protein 18 × 1 (P49956) Proliferating cell nuclear antigen × 3 (P15873) IRON/SULFUR CLUSTER × 1 PHOSPHOTHIOPHOSPHORIC ACID-ADENYLATE ESTER × 3 MAGNESIUM ION × 3 ADENOSINE-5'-DIPHOSPHATE × 1 Consistent with all polymers

Other States of the Same Protein in the Database

View Construct and Data Evidence
UniProt name RFC3_YEAST
Isoform —
PDB entities 8
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 Physical composition Protein state Molecular copy count Associated components Data consistency
1 Protein–DNA Heteromer Protein 12 DNA 2 Chromosome transmission fidelity protein 18 × 1 (P49956) Primer DNA × 1 Template DNA × 1 DNA polymerase epsilon catalytic subunit A × 1 (P21951) Chromosome transmission fidelity protein 8 × 1 (P38877) Sister chromatid cohesion protein DCC1 × 1 (P25559) Replication factor C subunit 4 × 1 (P40339) Replication factor C subunit 3 × 1 (P38629) Replication factor C subunit 5 × 1 (P38251) Chromosome transmission fidelity protein 18 × 1 (P49956) Proliferating cell nuclear antigen × 3 (P15873) IRON/SULFUR CLUSTER × 1 PHOSPHOTHIOPHOSPHORIC ACID-ADENYLATE ESTER × 3 MAGNESIUM ION × 3 ADENOSINE-5'-DIPHOSPHATE × 1 Consistent with all polymers

Other States of the Same Protein in the Database

View Construct and Data Evidence
UniProt name RFC2_YEAST
Isoform —
PDB entities 9
Chains and sequence ranges Author chain 2; PDBConstruct 1–340; UniProt 14–353

Replication factor C subunit 5

Saccharomyces cerevisiae

UniProt P38251

State in the Current Structure

Assembly Physical composition Protein state Molecular copy count Associated components Data consistency
1 Protein–DNA Heteromer Protein 12 DNA 2 Chromosome transmission fidelity protein 18 × 1 (P49956) Primer DNA × 1 Template DNA × 1 DNA polymerase epsilon catalytic subunit A × 1 (P21951) Chromosome transmission fidelity protein 8 × 1 (P38877) Sister chromatid cohesion protein DCC1 × 1 (P25559) 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) IRON/SULFUR CLUSTER × 1 PHOSPHOTHIOPHOSPHORIC ACID-ADENYLATE ESTER × 3 MAGNESIUM ION × 3 ADENOSINE-5'-DIPHOSPHATE × 1 Consistent with all polymers

Other States of the Same Protein in the Database

View Construct and Data Evidence
UniProt name RFC5_YEAST
Isoform —
PDB entities 10
Chains and sequence ranges Author chain 5; PDBConstruct 4–353; UniProt 4–353

Proliferating cell nuclear antigen

Saccharomyces cerevisiae

UniProt P15873

State in the Current Structure

Assembly Physical composition Protein state Molecular copy count Associated components Data consistency
1 Protein–DNA Heteromer Protein 12 DNA 2 Chromosome transmission fidelity protein 18 × 1 (P49956) Primer DNA × 1 Template DNA × 1 DNA polymerase epsilon catalytic subunit A × 1 (P21951) Chromosome transmission fidelity protein 8 × 1 (P38877) Sister chromatid cohesion protein DCC1 × 1 (P25559) Replication factor C subunit 4 × 1 (P40339) Replication factor C subunit 3 × 1 (P38629) Replication factor C subunit 2 × 1 (P40348) Replication factor C subunit 5 × 1 (P38251) Chromosome transmission fidelity protein 18 × 1 (P49956) IRON/SULFUR CLUSTER × 1 PHOSPHOTHIOPHOSPHORIC ACID-ADENYLATE ESTER × 3 MAGNESIUM ION × 3 ADENOSINE-5'-DIPHOSPHATE × 1 Consistent with all polymers

Other States of the Same Protein in the Database

View Construct and Data Evidence
UniProt name PCNA_YEAST
Isoform —
PDB entities 12
Chains and sequence ranges Author chain X; PDBConstruct 1–258; UniProt 1–258 Author chain Y; PDBConstruct 1–258; UniProt 1–258 Author chain Z; 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.

▼

2. Structure Basics 2. Structure Basics

Entry ID entry_id8twa
Deposition date deposition_date2023-08-20
Structure title titleCryo-EM structure of S. cerevisiae Ctf18-RFC-PCNA-PolE-DNA complex
Keywords keywordsCtf18, RFC2-5, PCNA, Pol2, DNA, DNA BINDING PROTEIN-DNA complex; DNA BINDING PROTEIN/DNA
Experimental Method methodELECTRON MICROSCOPY
▼

3. Official assembly/model SAXS Official SAXS Profiles

This page reads only the latest assembly calculations. Every curve maps to an explicit PDB entry, official biological assembly and coordinate model.

8twa__assembly_1__model_1

Assembly 1 · Model 1 · CRYSOL 4.1.3-1-20251215 (887e7ef)

Download this curve (.dat)

8twa__assembly_1__model_1 | I(q)

10-2 10-1 106 107 108 109 q (1/Angstrom) I(q)
100 plotted points; both axes use logarithmic scales.

8twa__assembly_1__model_1 | P(r) · Pending

The new assembly/model P(r) has not been calculated yet This placeholder does not display legacy data r (Angstrom) P(r)
P(r) will be calculated and displayed separately for the same assembly/model.
Rg(Guinier)58.74 Å
Rg (electron density)58.63 Å
Total Rg58.70 Å
Atom count31914
Residues4024
Excluded volume568180 ų
Maximum q0.500 Å⁻¹
Assembly Model Structure unit Oligomeric description Status CRYSOL Actions
1 1 8twa__assembly_1__model_1 14-meric (14) Success 4.1.3-1-20251215 (887e7ef) View Download
▶

4. Crystallography and Experiment 4. Crystallography & Experiment

▶

5. Entities and Polymers Entities & Polymers (16)

▶

7. Citations (1)