← Back to search

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：Q03468 New Search
12PDB entries
12Biological assembly
12chain/assembly records
Main Difference Dimensions in This Set
Different construct Different mutation/modification Different assembly state Different ligand/ion Different experimental method 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
4CVO Crystal structure of the N-terminal colied-coil domain of human DNA excision repair protein ERCC-6 Deposited 2014-03-28 Assembly 1 Protein homooligomer Homooligomer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain A 84–160（77 aa） Fragment：N-TERMINAL COIED-COIL DOMAIN, RESIDUES 84-160
Not recorded MG MAGNESIUM ION × 2 X-RAY DIFFRACTION
X-ray crystallization conditions 1.6 M MAGNESIUM SULFATE, 0.1 M MES PH 6.6
Resolution 1.85 Å R-free 0.255
7OO3 Pol II-CSB-CSA-DDB1-UVSSA (Structure1) Deposited 2021-05-26 Assembly 1 Other combination Heteromer；Protein × 17 PDB declaration: eicosameric（20） Consistent with all polymers
Chain b 1–1493（1493 aa）
Not recorded ZN ZINC ION × 8 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.80 Å
7OOB Pol II-CSB-CSA-DDB1-UVSSA-ADPBeF3 (Structure2) Deposited 2021-05-27 Assembly 1 Other combination Heteromer；Protein × 15 PDB declaration: octadecameric（18） Consistent with all polymers
Chain b 1–1493（1493 aa）
Not recorded ZN ZINC ION × 8 MG MAGNESIUM ION × 2 ADP ADENOSINE-5'-DIPHOSPHATE × 1 BEF BERYLLIUM TRIFLUORIDE ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.70 Å
7OOP Pol II-CSB-CSA-DDB1-UVSSA-PAF-SPT6 (Structure 3) Deposited 2021-05-28 Assembly 1 Other combination Heteromer；Protein × 23 PDB declaration: 26-meric（26） Consistent with all polymers
Chain b 1–1493（1493 aa）
Not recorded ZN ZINC ION × 8 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.90 Å
7OPC Pol II-CSB-CRL4CSA-UVSSA-SPT6-PAF (Structure 4) Deposited 2021-05-31 Assembly 1 Other combination Heteromer；Protein × 25 PDB declaration: 28-meric（28） Consistent with all polymers
Chain b 1–1493（1493 aa）
Not recorded ZN ZINC ION × 8 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.00 Å
7OPD Pol II-CSB-CRL4CSA-UVSSA-SPT6-PAF (Structure 5) Deposited 2021-05-31 Assembly 1 Other combination Heteromer；Protein × 25 PDB declaration: 28-meric（28） Consistent with all polymers
Chain b 1–1493（1493 aa）
Not recorded ZN ZINC ION × 8 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.00 Å
8B3D Structure of the Pol II-TCR-ELOF1 complex. Deposited 2022-09-16 Assembly 1 Other combination Heteromer；Protein × 17 PDB declaration: eicosameric（20） Consistent with all polymers
Chain b 1–1493（1493 aa）
Not recorded ZN ZINC ION × 10 MG MAGNESIUM ION × 2 ADP ADENOSINE-5'-DIPHOSPHATE × 1 BEF BERYLLIUM TRIFLUORIDE ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.60 Å
8B3F Pol II-CSB-CSA-DDB1-ELOF1 Deposited 2022-09-16 Assembly 1 Other combination Heteromer；Protein × 16 PDB declaration: nonadecameric（19） Consistent with all polymers
Chain b 1–1493（1493 aa）
Not recorded ZN ZINC ION × 9 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.10 Å
9BZ0 Structure of an STK19-containing TC-NER complex Deposited 2024-05-24 Assembly 1 Other combination Heteromer；Protein × 19 PDB declaration: 22-meric（22） Consistent with all polymers
Chain b 1–1493（1493 aa）
Not recorded ZN ZINC ION × 10 MG MAGNESIUM ION × 2 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 1.90 Å
9ER2 PolII-TCR-STK19 structure. Deposited 2024-03-22 Assembly 1 Other combination Heteromer；Protein × 19 PDB declaration: 22-meric（22） Consistent with all polymers
Chain b 1–1493（1493 aa）
Not recorded ZN ZINC ION × 11 MG MAGNESIUM ION × 2 ADP ADENOSINE-5'-DIPHOSPHATE × 1 BEF BERYLLIUM TRIFLUORIDE ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.30 Å
9FD2 Structure of Pol II-TC-NER-STK19 complex Deposited 2024-05-16 Assembly 1 Other combination Heteromer；Protein × 19 PDB declaration: 22-meric（22） Consistent with all polymers
Chain e 1–1493（1493 aa）
Not recorded ZN ZINC ION × 10 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.40 Å
9HWG Structure of the transcribing Pol II-TCR-RECQL5 complex Deposited 2025-01-03 Assembly 1 Other combination Heteromer；Protein × 18 PDB declaration: 21-meric（21） Consistent with all polymers
Chain b 1–1493（1493 aa）
Not recorded ZN ZINC ION × 10 MG MAGNESIUM ION × 2 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5；20 mM HEPES pH 7.5, 50 mM KCl, 4 mM MgCl2, 1 mM DTT
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.50 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.