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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：K7N5N2 New Search
11PDB entries
16Biological assembly
16chain/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
3PQY Crystal Structure of 6218 TCR in complex with the H2Db-PA224 Deposited 2010-11-28 Assembly 1 Insufficient information Heteromer；Protein × 5 PDB declaration: pentameric（5） Consistent with protein count
Chain D 115–201（87 aa）
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 6.8；277 K；10-14% PEG 3350, 0.2M KCN, 0.1M Bis Tris Propane pH 6.8, 5% glycerol, vapor diffusion, hanging drop, temperature 277K
Resolution 3.19 Å R-free 0.316
3PQY Crystal Structure of 6218 TCR in complex with the H2Db-PA224 Deposited 2010-11-28 Assembly 2 Insufficient information Heteromer；Protein × 5 PDB declaration: pentameric（5） Consistent with protein count
Chain I 115–201（87 aa）
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 6.8；277 K；10-14% PEG 3350, 0.2M KCN, 0.1M Bis Tris Propane pH 6.8, 5% glycerol, vapor diffusion, hanging drop, temperature 277K
Resolution 3.19 Å R-free 0.316
3PQY Crystal Structure of 6218 TCR in complex with the H2Db-PA224 Deposited 2010-11-28 Assembly 3 Insufficient information Heteromer；Protein × 5 PDB declaration: pentameric（5） Consistent with protein count
Chain N 115–201（87 aa）
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 6.8；277 K；10-14% PEG 3350, 0.2M KCN, 0.1M Bis Tris Propane pH 6.8, 5% glycerol, vapor diffusion, hanging drop, temperature 277K
Resolution 3.19 Å R-free 0.316
3PQY Crystal Structure of 6218 TCR in complex with the H2Db-PA224 Deposited 2010-11-28 Assembly 4 Insufficient information Heteromer；Protein × 5 PDB declaration: pentameric（5） Consistent with protein count
Chain S 115–201（87 aa）
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 6.8；277 K；10-14% PEG 3350, 0.2M KCN, 0.1M Bis Tris Propane pH 6.8, 5% glycerol, vapor diffusion, hanging drop, temperature 277K
Resolution 3.19 Å R-free 0.316
5NHT human 199.54-16 TCR in complex with Melan-A/MART-1 (26-35) peptide and HLA-A2 Deposited 2017-03-22 Assembly 1 Insufficient information Heteromer；Protein × 5 PDB declaration: pentameric（5） Consistent with protein count
Chain A 96–205（110 aa）
Mutation：T158C,T158C SCN THIOCYANATE ION × 1 K POTASSIUM ION × 2 CL CHLORIDE ION × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 6.5；293 K；PEG3350 8 %, K Thiocyanate 0.1 M, Bis-Tris propane pH 6.5 0.1 M, protein concentration 3.5 mg/ml
Resolution 3.20 Å R-free 0.299
5WKF D30 TCR in complex with HLA-A*11:01-GTS1 Deposited 2017-07-25 Assembly 1 Insufficient information Heteromer；Protein × 5 PDB declaration: pentameric（5） Consistent with protein count
Chain D 115–203（89 aa）
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION；pH 7.5；277 K；17%PEG8000, 2% Ethylen glycol, 0.1M HEPES pH7.5
Resolution 2.95 Å R-free 0.253
5WKF D30 TCR in complex with HLA-A*11:01-GTS1 Deposited 2017-07-25 Assembly 2 Insufficient information Heteromer；Protein × 5 PDB declaration: pentameric（5） Consistent with protein count
Chain I 115–203（89 aa）
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION；pH 7.5；277 K；17%PEG8000, 2% Ethylen glycol, 0.1M HEPES pH7.5
Resolution 2.95 Å R-free 0.253
5WKH D30 TCR in complex with HLA-A*11:01-GTS3 Deposited 2017-07-25 Assembly 1 Insufficient information Heteromer；Protein × 5 PDB declaration: pentameric（5） Consistent with protein count
Chain D 115–203（89 aa）
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION；pH 7.5；277 K；17%PEG8000, 2% Ethylen glycol, 0.1M HEPES pH7.5
Resolution 3.20 Å R-free 0.246
5WKH D30 TCR in complex with HLA-A*11:01-GTS3 Deposited 2017-07-25 Assembly 2 Insufficient information Heteromer；Protein × 5 PDB declaration: pentameric（5） Consistent with protein count
Chain I 115–203（89 aa）
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION；pH 7.5；277 K；17%PEG8000, 2% Ethylen glycol, 0.1M HEPES pH7.5
Resolution 3.20 Å R-free 0.246
6AT6 Crystal structure of the KFJ5 TCR Deposited 2017-08-28 Assembly 1 Insufficient information Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain A 115–207（93 aa）
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 8.5；277 K；0.1 M Tris-HCl pH 8.5 and 25 % PEG3350
Resolution 1.42 Å R-free 0.218
6PY2 HLA-TCR complex Deposited 2019-07-28 Assembly 1 Protein heterocomplex Heteromer；Protein × 5 PDB declaration: pentameric（5） Consistent with protein count
Chain D 115–207（93 aa）
Not recorded NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 3 GOL GLYCEROL × 2 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；293 K；0.1 M MES, pH 6.5, 5% v/v MPD, 15% w/v PEG6000
Resolution 2.83 Å R-free 0.244
6Q3S Engineered Human HLA_A2 MHC Class I molecule in complex with TCR and SV9 peptide Deposited 2018-12-04 Assembly 2 Insufficient information Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain D 115–207（93 aa）
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；293 K；0.1 M ammonium acetate; 0.1 M bis-tris pH 5.5, 17 %(w/v) PEG 10.000
Resolution 2.50 Å R-free 0.273
7M72 MHC-like protein complex structure Deposited 2021-03-26 Assembly 1 Other combination Heteromer；Protein × 4 PDB declaration: tetrameric（4） Consistent with protein count
Chain C 115–207（93 aa） Fragment：murine variable domain,human constant domain
Not recorded QOD (3R)-N-[(2S,3R)-1-(alpha-D-galactopyranosyloxy)-3-hydroxy-15-methylhexadecan-2-yl]-3-hydroxyheptadecanamide × 1 HP6 HEPTANE × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 5；277 K；18-20% PEG 3350, 8% Tacsimate pH 5.0
Resolution 2.40 Å R-free 0.227
7N4K 6218 TCR in complex with H2-Db PA 224 Deposited 2021-06-04 Assembly 1 Insufficient information Heteromer；Protein × 5 PDB declaration: pentameric（5） Consistent with protein count
Chain D 115–204（90 aa）
Not recorded NA SODIUM ION × 4 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION；293 K；20% PEG3350, 0.2 M NaF, 0.05 M NaForm, 1% 1,5-Diaminopentane dihydrochloride
Resolution 1.85 Å R-free 0.214
7N5C 6218 TCR in complex with H2Db PA with an engineered TCR-pMHC disulfide bond Deposited 2021-06-05 Assembly 1 Insufficient information Heteromer；Protein × 5 PDB declaration: pentameric（5） Consistent with protein count
Chain D 115–207（93 aa）
Mutation：S110C NA SODIUM ION × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION；293 K；20% PEG3350, 0.2M NaF, 0.05M NaForm, 1% 1,5-Diaminopentane dihydrochloride
Resolution 1.87 Å R-free 0.233
7N5P 6218 TCR in complex with H2-Db PA224-233 with a cysteine mutant Deposited 2021-06-06 Assembly 1 Insufficient information Heteromer；Protein × 5 PDB declaration: pentameric（5） Consistent with protein count
Chain D 115–207（93 aa）
Not recorded NA SODIUM ION × 4 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION；293 K；20% PEG3350, 0.2M NaF, 0.05M NaForm, 1% 1,5-Diaminopentane dihydrochloride
Resolution 2.09 Å R-free 0.236

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.