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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：Q5Y7D3 New Search
5PDB entries
9Biological assembly
9chain/assembly records
Main Difference Dimensions in This Set
Different construct Different mutation/modification 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
4D8P Structural and functional studies of the trans-encoded HLA-DQ2.3 (DQA1*03:01/DQB1*02:01) molecule Deposited 2012-01-11 Assembly 1 Insufficient information Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain B 33–230（198 aa）
Mutation：Q26E, Q23E GOL GLYCEROL × 2 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 8.5；291 K；0.2M Li2So4, 0.1M Tris, 30% PEG 4000, 8% Glycerol, pH 8.5, VAPOR DIFFUSION, HANGING DROP, temperature 291K
Resolution 3.05 Å R-free 0.283
4D8P Structural and functional studies of the trans-encoded HLA-DQ2.3 (DQA1*03:01/DQB1*02:01) molecule Deposited 2012-01-11 Assembly 2 Insufficient information Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain D 33–230（198 aa）
Mutation：Q26E, Q23E No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 8.5；291 K；0.2M Li2So4, 0.1M Tris, 30% PEG 4000, 8% Glycerol, pH 8.5, VAPOR DIFFUSION, HANGING DROP, temperature 291K
Resolution 3.05 Å R-free 0.283
4OZF JR5.1 protein complex Deposited 2014-02-15 Assembly 1 Protein heterocomplex Heteromer；Protein × 5 PDB declaration: pentameric（5） Consistent with protein count
Chain B 33–224（192 aa）
Not recorded NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 2 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；293.15 K；Mother liquor: 0.15 - 0.25M CaOAc, 0.1M Tris/HCl, 12-18% PEG3350, Additives:2-3 mM reduced and oxidised Glutathione
Resolution 2.70 Å R-free 0.238
4OZG D2 protein complex Deposited 2014-02-16 Assembly 1 Other combination Heteromer；Protein × 5 PDB declaration: pentameric（5） Consistent with protein count
Chain B 33–224（192 aa）
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；293.15 K；Mother liquor: 0.15- 0.25M CaOAc, 0.1 M Tris/HCl, 12-18% PEG3350, Additives: 2-3 mM reduced and oxidised Glutathione
Resolution 3.00 Å R-free 0.241
4OZG D2 protein complex Deposited 2014-02-16 Assembly 2 Other combination Heteromer；Protein × 5 PDB declaration: pentameric（5） Consistent with protein count
Chain D 33–224（192 aa）
Not recorded NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 1 CA CALCIUM ION × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；293.15 K；Mother liquor: 0.15- 0.25M CaOAc, 0.1 M Tris/HCl, 12-18% PEG3350, Additives: 2-3 mM reduced and oxidised Glutathione
Resolution 3.00 Å R-free 0.241
4OZH S16 protein complex Deposited 2014-02-16 Assembly 1 Protein heterocomplex Heteromer；Protein × 5 PDB declaration: pentameric（5） Consistent with protein count
Chain B 33–224（192 aa）
Not recorded NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 2 CA CALCIUM ION × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；293.15 K；Mother liquor: 0.15- 0.25M CaOAc, 0.1 M Tris/HCl, 12-18% PEG3350, Additives: 2-3 mM reduced and oxidised Glutathione
Resolution 2.80 Å R-free 0.243
4OZH S16 protein complex Deposited 2014-02-16 Assembly 2 Protein heterocomplex Heteromer；Protein × 5 PDB declaration: pentameric（5） Consistent with protein count
Chain D 33–224（192 aa）
Not recorded NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；293.15 K；Mother liquor: 0.15- 0.25M CaOAc, 0.1 M Tris/HCl, 12-18% PEG3350, Additives: 2-3 mM reduced and oxidised Glutathione
Resolution 2.80 Å R-free 0.243
4OZI S2 protein complex Deposited 2014-02-16 Assembly 1 Protein heterocomplex Heteromer；Protein × 5 PDB declaration: pentameric（5） Consistent with protein count
Chain B 33–224（192 aa）
Not recorded NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 1 CA CALCIUM ION × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；293.15 K；Mother liquor: 0.15- 0.25M CaOAc, 0.1 M Tris/HCl, 12-18% PEG3350, Additives: 2-3 mM reduced and oxidised Glutathione
Resolution 3.20 Å R-free 0.243
4OZI S2 protein complex Deposited 2014-02-16 Assembly 2 Protein heterocomplex Heteromer；Protein × 5 PDB declaration: pentameric（5） Consistent with protein count
Chain D 33–224（192 aa）
Not recorded NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 1 CA CALCIUM ION × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；293.15 K；Mother liquor: 0.15- 0.25M CaOAc, 0.1 M Tris/HCl, 12-18% PEG3350, Additives: 2-3 mM reduced and oxidised Glutathione
Resolution 3.20 Å R-free 0.243

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.