DNA polymerase epsilon subunit B
Saccharomyces cerevisiae
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 × 2 PDB declaration: dimeric(2) Consistent with protein copy count | Chain B; UniProt 1–689 | Not recorded | DNA polymerase epsilon catalytic subunit A × 1 (P21951) ZN ZINC ION × 2 | ELECTRON MICROSCOPY cryo-EM buffer:pH 7.6 cryo-EM vitrification conditions:Cryogen ETHANE | Resolution 4.40 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.
| Other PDB | Difference from Current Entry 6HV8 | Assembly / Oligomeric State | Construct | Mutations and Modifications | Ligands, Ions and Non-polymers | Method and Experimental Conditions | Structure Quality |
|---|---|---|---|---|---|---|---|
| 28VY sCMGE assembled on ARS1 DNA with Sld2 and RPA Deposited 2026-02-23 | Different oligomeric state Different ligand/ion Different structure-quality metrics | Assembly 1 Protein–DNA Heteromer;Protein × 13 PDB declaration: 15-meric |
Chain F
1–689(689 aa)
|
Not recorded | MG MAGNESIUM ION × 6 ZN ZINC ION × 7 ADP ADENOSINE-5'-DIPHOSPHATE × 1 ATP ADENOSINE-5'-TRIPHOSPHATE × 5 |
ELECTRON MICROSCOPY
cryo-EM buffer
pH 7.6
cryo-EM vitrification conditions
Cryogen ETHANE
|
Resolution 2.70 Å |
| 6HV9 S. cerevisiae CMG-Pol epsilon-DNA Deposited 2018-10-10 | Different oligomeric state Different ligand/ion Different structure-quality metrics | Assembly 1 Protein–DNA Heteromer;Protein × 13 PDB declaration: hexadecameric |
Chain B
1–689(689 aa)
|
Not recorded | AGS PHOSPHOTHIOPHOSPHORIC ACID-ADENYLATE ESTER × 2 ZN ZINC ION × 2 |
ELECTRON MICROSCOPY
cryo-EM buffer
pH 7.6
cryo-EM vitrification conditions
Cryogen ETHANE
|
Resolution 4.98 Å |
| 6WJV Structure of the Saccharomyces cerevisiae polymerase epsilon holoenzyme Deposited 2020-04-14 | Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics | Assembly 1 Protein heterocomplex Heteromer;Protein × 4 PDB declaration: tetrameric |
Chain 2
1–689(689 aa)
|
Not recorded | ZN ZINC ION × 1 |
ELECTRON MICROSCOPY
cryo-EM buffer
pH 7.5
cryo-EM vitrification conditions
Cryogen ETHANE
|
Resolution 3.50 Å |
| 7PMK S. cerevisiae replisome-SCF(Dia2) complex bound to double-stranded DNA (conformation I) Deposited 2021-09-02 | Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics | Assembly 1 Protein–DNA Heteromer;Protein × 20 PDB declaration: 22-meric |
Chain R
1–689(689 aa)
|
Not recorded | ANP PHOSPHOAMINOPHOSPHONIC ACID-ADENYLATE ESTER × 3 MG MAGNESIUM ION × 3 ZN ZINC ION × 7 |
ELECTRON MICROSCOPY
cryo-EM buffer
pH 7.6
cryo-EM vitrification conditions
Cryogen ETHANE;Manual plunger
|
Resolution 3.20 Å |
| 7PMN S. cerevisiae replisome-SCF(Dia2) complex bound to double-stranded DNA (conformation II) Deposited 2021-09-02 | Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics | Assembly 1 Protein–DNA Heteromer;Protein × 20 PDB declaration: 22-meric |
Chain R
1–689(689 aa)
|
Not recorded | ANP PHOSPHOAMINOPHOSPHONIC ACID-ADENYLATE ESTER × 2 MG MAGNESIUM ION × 2 ZN ZINC ION × 7 |
ELECTRON MICROSCOPY
cryo-EM buffer
pH 7.6
cryo-EM vitrification conditions
Cryogen ETHANE;Manual plunger
|
Resolution 3.20 Å |
| 7QHS S. cerevisiae CMGE nucleating origin DNA melting Deposited 2021-12-14 | Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics | Assembly 1 Protein–DNA Heteromer;Protein × 13 PDB declaration: pentadecameric |
Chain F
1–689(689 aa)
|
Not recorded | ATP ADENOSINE-5'-TRIPHOSPHATE × 4 ZN ZINC ION × 7 MG MAGNESIUM ION × 3 ADP ADENOSINE-5'-DIPHOSPHATE × 2 |
ELECTRON MICROSCOPY
cryo-EM buffer
pH 7.5
cryo-EM vitrification conditions
Cryogen ETHANE
|
Resolution 3.30 Å |
| 7Z13 S. cerevisiae CMGE dimer nucleating origin DNA melting Deposited 2022-02-24 | Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics | Assembly 1 Protein–DNA Heteromer;Protein × 26 PDB declaration: 28-meric |
Chain F
1–689(689 aa)
Chain M
1–689(689 aa)
|
Not recorded | ATP ADENOSINE-5'-TRIPHOSPHATE × 8 ZN ZINC ION × 14 MG MAGNESIUM ION × 6 ADP ADENOSINE-5'-DIPHOSPHATE × 4 |
ELECTRON MICROSCOPY
cryo-EM buffer
pH 7.5
cryo-EM vitrification conditions
Cryogen ETHANE
|
Resolution 3.40 Å |
| 8KG6 Yeast replisome in state I Deposited 2023-08-17 | Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics | Assembly 1 Protein–DNA Heteromer;Protein × 18 PDB declaration: 20-meric |
Chain N
1–689(689 aa)
|
Not recorded | ZN ZINC ION × 7 ADP ADENOSINE-5'-DIPHOSPHATE × 2 MG MAGNESIUM ION × 5 AGS PHOSPHOTHIOPHOSPHORIC ACID-ADENYLATE ESTER × 3 |
ELECTRON MICROSCOPY
cryo-EM buffer
pH 7.6
cryo-EM vitrification conditions
Cryogen ETHANE;blot with filter paper for 3-4 seconds before plunging.
|
Resolution 3.07 Å |
| 8KG8 Yeast replisome in state II Deposited 2023-08-17 | Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics | Assembly 1 Protein–DNA Heteromer;Protein × 16 PDB declaration: octadecameric |
Chain N
1–689(689 aa)
|
Not recorded | ZN ZINC ION × 7 ADP ADENOSINE-5'-DIPHOSPHATE × 2 MG MAGNESIUM ION × 5 AGS PHOSPHOTHIOPHOSPHORIC ACID-ADENYLATE ESTER × 3 |
ELECTRON MICROSCOPY
cryo-EM buffer
pH 7.6
cryo-EM vitrification conditions
Cryogen ETHANE;blot with filter paper for 3-4 seconds before plunging.
|
Resolution 4.23 Å |
| 8KG9 Yeast replisome in state III Deposited 2023-08-17 | Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics | Assembly 1 Protein–DNA Heteromer;Protein × 16 PDB declaration: octadecameric |
Chain N
1–689(689 aa)
|
Not recorded | ZN ZINC ION × 7 ADP ADENOSINE-5'-DIPHOSPHATE × 2 MG MAGNESIUM ION × 4 AGS PHOSPHOTHIOPHOSPHORIC ACID-ADENYLATE ESTER × 2 |
ELECTRON MICROSCOPY
cryo-EM buffer
pH 7.6
cryo-EM vitrification conditions
Cryogen ETHANE;blot with filter paper for 3-4 seconds before plunging.
|
Resolution 4.52 Å |
| 8P5E S. cerevisiae nexus-sCMGE after DNA replication initiation Deposited 2023-05-24 | Different oligomeric state Different ligand/ion Different structure-quality metrics | Assembly 1 Protein–DNA Heteromer;Protein × 13 PDB declaration: 15-meric |
Chain F
1–689(689 aa)
|
Not recorded | ATP ADENOSINE-5'-TRIPHOSPHATE × 4 ZN ZINC ION × 7 MG MAGNESIUM ION × 3 ADP ADENOSINE-5'-DIPHOSPHATE × 2 |
ELECTRON MICROSCOPY
cryo-EM buffer
pH 7.6
cryo-EM vitrification conditions
Cryogen ETHANE
|
Resolution 3.90 Å |
| 8P62 S. cerevisiae ssDNA-sCMGE after DNA replication initiation Deposited 2023-05-25 | Different oligomeric state Different ligand/ion Different structure-quality metrics | Assembly 1 Protein–DNA Heteromer;Protein × 13 PDB declaration: 14-meric |
Chain F
1–689(689 aa)
|
Not recorded | ATP ADENOSINE-5'-TRIPHOSPHATE × 4 ZN ZINC ION × 7 MG MAGNESIUM ION × 3 ADP ADENOSINE-5'-DIPHOSPHATE × 2 |
ELECTRON MICROSCOPY
cryo-EM buffer
pH 7.6
cryo-EM vitrification conditions
Cryogen ETHANE
|
Resolution 3.90 Å |
| 8P63 S. cerevisiae consensus-sCMGE on ssDNA after DNA replication initiation Deposited 2023-05-25 | Different oligomeric state Different ligand/ion Different structure-quality metrics | Assembly 1 Protein–DNA Heteromer;Protein × 13 PDB declaration: 14-meric |
Chain F
1–689(689 aa)
|
Not recorded | ATP ADENOSINE-5'-TRIPHOSPHATE × 4 ZN ZINC ION × 7 MG MAGNESIUM ION × 3 ADP ADENOSINE-5'-DIPHOSPHATE × 2 |
ELECTRON MICROSCOPY
cryo-EM buffer
pH 7.6
cryo-EM vitrification conditions
Cryogen ETHANE
|
Resolution 3.70 Å |
| 8W7M Yeast replisome in state V Deposited 2023-08-30 | Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics | Assembly 1 Protein–DNA Heteromer;Protein × 15 PDB declaration: hexadecameric |
Chain N
1–689(689 aa)
|
Not recorded | ADP ADENOSINE-5'-DIPHOSPHATE × 2 MG MAGNESIUM ION × 4 ZN ZINC ION × 5 AGS PHOSPHOTHIOPHOSPHORIC ACID-ADENYLATE ESTER × 2 |
ELECTRON MICROSCOPY
cryo-EM buffer
pH 7.6
cryo-EM vitrification conditions
Cryogen ETHANE;blot with filter paper for 3-4 seconds before plunging.
|
Resolution 4.12 Å |
| 8W7S Yeast replisome in state IV Deposited 2023-08-31 | Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics | Assembly 1 Protein–DNA Heteromer;Protein × 15 PDB declaration: hexadecameric |
Chain N
1–689(689 aa)
|
Not recorded | No recorded non-water small molecule |
ELECTRON MICROSCOPY
cryo-EM buffer
pH 7.6
cryo-EM vitrification conditions
Cryogen ETHANE;blot with filter paper for 3-4 seconds before plunging.
|
Resolution 7.39 Å |
| 8XGC Structure of yeast replisome associated with FACT and histone hexamer, Composite map Deposited 2023-12-15 | Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics | Assembly 1 Protein–DNA Heteromer;Protein × 27 PDB declaration: 29-meric |
Chain 9
1–689(689 aa)
|
Not recorded | ZN ZINC ION × 7 ADP ADENOSINE-5'-DIPHOSPHATE × 5 |
ELECTRON MICROSCOPY
cryo-EM buffer
pH 7.5
cryo-EM vitrification conditions
Cryogen ETHANE
|
Resolution 3.70 Å |
| 9RHI pre-Initiation Complex on ARS1 DNA (monomer) Deposited 2025-06-09 | Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics | Assembly 1 Protein–DNA Heteromer;Protein × 17 PDB declaration: 19-meric |
Chain F
1–689(689 aa)
|
Not recorded | ZN ZINC ION × 5 ADP ADENOSINE-5'-DIPHOSPHATE × 1 MG MAGNESIUM ION × 1 |
ELECTRON MICROSCOPY
cryo-EM buffer
pH 7.5
cryo-EM vitrification conditions
Cryogen ETHANE
|
Resolution 3.20 Å |
| 9RHJ Pre-Initiation Complex on ARS1 DNA (dimer) Deposited 2025-06-09 | Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics | Assembly 1 Protein–DNA Heteromer;Protein × 30 PDB declaration: 32-meric |
Chain F
1–689(689 aa)
Chain M
1–689(689 aa)
|
Not recorded | ZN ZINC ION × 10 ADP ADENOSINE-5'-DIPHOSPHATE × 2 MG MAGNESIUM ION × 2 |
ELECTRON MICROSCOPY
cryo-EM buffer
pH 7.5
cryo-EM vitrification conditions
Cryogen ETHANE
|
Resolution 3.40 Å |
18 other PDB entries and 18 assemblies. Open the comparison page and filter oligomeric states
View Construct and Data Evidence
| UniProt name | DPB2_YEAST |
| Isoform | — |
| PDB entities | 1 |
| Chains and sequence ranges | Author chain B; PDBConstruct 1–689; UniProt 1–689 |