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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：Q8NHY2 New Search
7PDB entries
12Biological assembly
29chain/assembly records
Main Difference Dimensions in This Set
Different construct Different assembly state 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
5HQG WD40 domain of Human E3 Ubiquitin Ligase COP1 (RFWD2) Deposited 2016-01-21 Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain A 151–506（356 aa）
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；293 K；sodium nitrate 0.5M 10% PEG 3350
Resolution 2.00 Å R-free 0.242
5IGQ WD40 domain of Human E3 Ubiquitin Ligase COP1 (RFWD2) bound to peptide from Trib1 Deposited 2016-02-28 Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain A 161–506（346 aa）
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；293 K；0.1M Bis-Tris pH 5.5, 20% glycerol, 5% PEG 5000 MME
Resolution 3.90 Å R-free 0.277
5IGQ WD40 domain of Human E3 Ubiquitin Ligase COP1 (RFWD2) bound to peptide from Trib1 Deposited 2016-02-28 Assembly 2 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain B 161–506（346 aa）
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；293 K；0.1M Bis-Tris pH 5.5, 20% glycerol, 5% PEG 5000 MME
Resolution 3.90 Å R-free 0.277
5IGQ WD40 domain of Human E3 Ubiquitin Ligase COP1 (RFWD2) bound to peptide from Trib1 Deposited 2016-02-28 Assembly 3 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain C 161–506（346 aa）
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；293 K；0.1M Bis-Tris pH 5.5, 20% glycerol, 5% PEG 5000 MME
Resolution 3.90 Å R-free 0.277
5IGQ WD40 domain of Human E3 Ubiquitin Ligase COP1 (RFWD2) bound to peptide from Trib1 Deposited 2016-02-28 Assembly 4 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain D 161–506（346 aa）
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；293 K；0.1M Bis-Tris pH 5.5, 20% glycerol, 5% PEG 5000 MME
Resolution 3.90 Å R-free 0.277
5IGQ WD40 domain of Human E3 Ubiquitin Ligase COP1 (RFWD2) bound to peptide from Trib1 Deposited 2016-02-28 Assembly 5 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain E 161–506（346 aa）
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；293 K；0.1M Bis-Tris pH 5.5, 20% glycerol, 5% PEG 5000 MME
Resolution 3.90 Å R-free 0.277
5IGQ WD40 domain of Human E3 Ubiquitin Ligase COP1 (RFWD2) bound to peptide from Trib1 Deposited 2016-02-28 Assembly 6 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain F 161–506（346 aa）
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；293 K；0.1M Bis-Tris pH 5.5, 20% glycerol, 5% PEG 5000 MME
Resolution 3.90 Å R-free 0.277
9LTR Cryo-EM structure of dimeric DDB1-DDA1-DET1-Ube2e2-COP1 complex Deposited 2025-02-06 Assembly 1 Protein heterocomplex Heteromer；Protein × 10 PDB declaration: decameric（10） Consistent with protein count
Chain A 1–731（731 aa）
Chain C 1–731（731 aa）
Not recorded No recorded non-water small molecule ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.03 Å
9LU1 protein structure of DDB1-DDA1-DET1-Ube2e2 bound to COP1 dimer Deposited 2025-02-07 Assembly 1 Protein heterocomplex Heteromer；Protein × 6 PDB declaration: hexameric（6） Consistent with protein count
Chain A 1–731（731 aa）
Chain E 1–731（731 aa）
Not recorded No recorded non-water small molecule ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.62 Å
9LUL Local refinement of stacked like DDB1-DDA1-DET1-Ube2e2-COP1 complex (layer 1) Deposited 2025-02-09 Assembly 1 Protein heterocomplex Heteromer；Protein × 16 PDB declaration: hexadecameric（16） Consistent with protein count
Chain H 128–731（604 aa）
Chain I 128–731（604 aa）
Chain K 128–731（604 aa）
Chain M 128–731（604 aa）
Chain N 128–731（604 aa）
Chain O 128–731（604 aa）
Chain W 128–731（604 aa）
Chain X 128–731（604 aa）
Not recorded No recorded non-water small molecule ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 4.99 Å
9M0Y Local refinement of stacked like DDB1-DDA1-DET1-Ube2e2-COP1 complex (layer 2) Deposited 2025-02-25 Assembly 1 Protein heterocomplex Heteromer；Protein × 16 PDB declaration: hexadecameric（16） Consistent with protein count
Chain A 1–731（731 aa）
Chain B 1–731（731 aa）
Chain C 1–731（731 aa）
Chain D 1–731（731 aa）
Chain E 1–731（731 aa）
Chain F 1–731（731 aa）
Chain G 1–731（731 aa）
Chain J 1–731（731 aa）
Not recorded No recorded non-water small molecule ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 4.25 Å
9W90 DDB1-DDA1-DET1-Ube2e2-COP1-c-Jun-STK40 complex Deposited 2025-08-08 Assembly 1 Protein heterocomplex Heteromer；Protein × 10 PDB declaration: decameric（10） Consistent with protein count
Chain A 1–731（731 aa）
Chain C 1–731（731 aa）
Not recorded No recorded non-water small molecule ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.70 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.