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Protein Structures and Oligomeric States

Enter a protein name, UniProt accession or PDB ID. Name searches ask you to confirm the protein identity before related structures are queried.

Current Protein Identity：Q8WVB6 New Search
10PDB entries
10Biological assembly
10chain/assembly records
Main Difference Dimensions in This Set
Different construct Different assembly state Different ligand/ion Different experimental conditions Different structure-quality metrics

Difference tags compare only the current result set; every original PDB and assembly record remains separate.

Related-Structure Differences

Each row represents one biological assembly in one PDB entry; multiple monomers of the same protein are listed separately.

PDB Entry Assembly / Oligomeric State Construct Mutations and Modifications Ligands, Ions and Non-polymers Experimental Method Experimental Conditions Structure Quality
8UMT Atomic model of the human CTF18-RFC-PCNA binary complex in the three-subunit binding state (state 2) Deposited 2023-10-18 Assembly 1 Protein heterocomplex Heteromer；Protein × 8 PDB declaration: octameric（8） Consistent with protein count
Chain A 1–975（975 aa）
Not recorded MG MAGNESIUM ION × 3 AGS PHOSPHOTHIOPHOSPHORIC ACID-ADENYLATE ESTER × 3 ADP ADENOSINE-5'-DIPHOSPHATE × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.33 Å
8UMU Atomic model of the human CTF18-RFC-PCNA binary complex in the four-subunit binding state (state 3) Deposited 2023-10-18 Assembly 1 Protein heterocomplex Heteromer；Protein × 8 PDB declaration: octameric（8） Consistent with protein count
Chain A 1–975（975 aa）
Not recorded MG MAGNESIUM ION × 3 AGS PHOSPHOTHIOPHOSPHORIC ACID-ADENYLATE ESTER × 3 ADP ADENOSINE-5'-DIPHOSPHATE × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.16 Å
8UMV Atomic model of the human CTF18-RFC-PCNA-DNA ternary complex with narrow PCNA opening state I (state 5) Deposited 2023-10-18 Assembly 1 Protein–DNA Heteromer；Protein × 8 PDB declaration: decameric（10） Consistent with all polymers
Chain A 1–975（975 aa）
Not recorded MG MAGNESIUM ION × 4 AGS PHOSPHOTHIOPHOSPHORIC ACID-ADENYLATE ESTER × 4 ADP ADENOSINE-5'-DIPHOSPHATE × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.75 Å
8UMW Atomic model of the human CTF18-RFC-PCNA-DNA ternary complex in the five-subunit binding state (state 4) Deposited 2023-10-18 Assembly 1 Protein–DNA Heteromer；Protein × 8 PDB declaration: decameric（10） Consistent with all polymers
Chain A 1–975（975 aa）
Not recorded MG MAGNESIUM ION × 4 AGS PHOSPHOTHIOPHOSPHORIC ACID-ADENYLATE ESTER × 4 ADP ADENOSINE-5'-DIPHOSPHATE × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.93 Å
8UMY Atomic model of the human CTF18-RFC-PCNA-DNA ternary complex with narrow PCNA opening state II (state 6) Deposited 2023-10-18 Assembly 1 Protein–DNA Heteromer；Protein × 8 PDB declaration: decameric（10） Consistent with all polymers
Chain A 1–975（975 aa）
Not recorded MG MAGNESIUM ION × 4 AGS PHOSPHOTHIOPHOSPHORIC ACID-ADENYLATE ESTER × 4 ADP ADENOSINE-5'-DIPHOSPHATE × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.83 Å
8UN0 Atomic model of the human CTF18-RFC-PCNA-DNA ternary complex with cracked and closed PCNA (state 7) Deposited 2023-10-18 Assembly 1 Protein–DNA Heteromer；Protein × 8 PDB declaration: decameric（10） Consistent with all polymers
Chain A 1–975（975 aa）
Not recorded MG MAGNESIUM ION × 4 AGS PHOSPHOTHIOPHOSPHORIC ACID-ADENYLATE ESTER × 4 ADP ADENOSINE-5'-DIPHOSPHATE × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.00 Å
8UNJ Atomic model of the human CTF18-RFC alone in the apo state (State 1) Deposited 2023-10-19 Assembly 1 Protein heterocomplex Heteromer；Protein × 5 PDB declaration: pentameric（5） Consistent with protein count
Chain A 1–975（975 aa）
Not recorded MG MAGNESIUM ION × 3 AGS PHOSPHOTHIOPHOSPHORIC ACID-ADENYLATE ESTER × 3 ADP ADENOSINE-5'-DIPHOSPHATE × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.35 Å
8ZWO Structure of CTF18-PCNA with ATP Deposited 2024-06-13 Assembly 1 Protein heterocomplex Heteromer；Protein × 8 PDB declaration: octameric（8） Consistent with protein count
Chain A 2–975（974 aa）
Not recorded ATP ADENOSINE-5'-TRIPHOSPHATE × 3 ADP ADENOSINE-5'-DIPHOSPHATE × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5；50 mM Tris-HCl, 200 mM NaCl, 1 mM DTT
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.99 Å
9IIN Structure of CTF18-PCNA with ATP and Mg2+ Deposited 2024-06-20 Assembly 1 Protein heterocomplex Heteromer；Protein × 8 PDB declaration: octameric（8） Consistent with protein count
Chain A 2–975（974 aa）
Not recorded ATP ADENOSINE-5'-TRIPHOSPHATE × 3 MG MAGNESIUM ION × 2 ADP ADENOSINE-5'-DIPHOSPHATE × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5；50 mM Tris-HCl, 200 mM NaCl, 1 mM DTT
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.20 Å
9UIQ Structure of CTF18-PCNA with ATP Deposited 2025-04-16 Assembly 1 Protein heterocomplex Heteromer；Protein × 8 PDB declaration: octameric（8） Consistent with protein count
Chain A 165–856（692 aa）
Not recorded ATP ADENOSINE-5'-TRIPHOSPHATE × 3 MG MAGNESIUM ION × 2 ADP ADENOSINE-5'-DIPHOSPHATE × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5；50 mM Tris-HCl, 200 mM NaCl, 1 mM DTT
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.20 Å

This page presents structural evidence recorded in PDB/mmCIF.“No recorded non-water small molecule” does not prove that the experimental sample was ligand-free; experimental conditions belong to the PDB experiment, while ligands and copy counts are shown for each biological assembly.