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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：K7N5M4 New Search
24PDB entries
30Biological assembly
30chain/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 E 107–249（143 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 J 107–249（143 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 O 107–249（143 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 T 107–249（143 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
4MNH Structure of the DP10.7 TCR Deposited 2013-09-10 Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain A 120–259（140 aa） Fragment：DP10.7 TCR gamma variable domain fused with human TCR beta constant domain
Mutation：S173C, C191A No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 8.5；292 K；0.1 M Tris pH 8.5, 20% PEG 10k, VAPOR DIFFUSION, SITTING DROP, temperature 292K
Resolution 3.30 Å R-free 0.285
4MNH Structure of the DP10.7 TCR Deposited 2013-09-10 Assembly 2 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain C 120–259（140 aa） Fragment：DP10.7 TCR gamma variable domain fused with human TCR beta constant domain
Mutation：S173C, C191A No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 8.5；292 K；0.1 M Tris pH 8.5, 20% PEG 10k, VAPOR DIFFUSION, SITTING DROP, temperature 292K
Resolution 3.30 Å R-free 0.285
5BRZ MAGE-A3 reactive TCR in complex with MAGE-A3 in HLA-A1 Deposited 2015-06-01 Assembly 1 Insufficient information Heteromer；Protein × 5 PDB declaration: pentameric（5） Consistent with protein count
Chain E 108–248（141 aa）
Not recorded SO4 SULFATE ION × 7 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；291 K；0.2M ammonium chloride, 0.1M HEPES pH7, 15% PEG 8000
Resolution 2.62 Å R-free 0.268
5BS0 MAGE-A3 Reactive TCR in complex with Titin Epitope in HLA-A1 Deposited 2015-06-01 Assembly 1 Insufficient information Heteromer；Protein × 5 PDB declaration: pentameric（5） Consistent with protein count
Chain E 108–249（142 aa）
Not recorded GOL GLYCEROL × 1 SO4 SULFATE ION × 11 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 7；291 K；0.2M Ammonium Chloride, 0.1M MES, 20% PEG 4000
Resolution 2.40 Å R-free 0.262
5MEN Human Leukocyte Antigen A02 presenting ILAKFLHWL, in complex with cognate T-Cell Receptor Deposited 2016-11-16 Assembly 1 Insufficient information Heteromer；Protein × 5 PDB declaration: pentameric（5） Consistent with protein count
Chain E 125–249（125 aa）
Not recorded EDO 1,2-ETHANEDIOL × 5 GOL GLYCEROL × 1 SO4 SULFATE ION × 5 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；293 K；0.2M ammonium sulphate, 0.1M HEPES pH7, 20% PEG 8000
Resolution 2.81 Å R-free 0.272
5WLG Crystal Structure of H-2Db with the GAP501 peptide (SQL) Deposited 2017-07-26 Assembly 1 Insufficient information Heteromer；Protein × 5 PDB declaration: pentameric（5） Consistent with protein count
Chain E 120–249（130 aa）
Not recorded NA SODIUM ION × 1 CL CHLORIDE ION × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION；pH 7.2；277 K；18%PEG3350, 2% ethylen glycol, 0.2M CaCl2, 0.1M HEPES pH 7.2
Resolution 2.10 Å R-free 0.249
5WLG Crystal Structure of H-2Db with the GAP501 peptide (SQL) Deposited 2017-07-26 Assembly 2 Insufficient information Heteromer；Protein × 5 PDB declaration: pentameric（5） Consistent with protein count
Chain J 120–249（130 aa）
Not recorded NA SODIUM ION × 2 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION；pH 7.2；277 K；18%PEG3350, 2% ethylen glycol, 0.2M CaCl2, 0.1M HEPES pH 7.2
Resolution 2.10 Å R-free 0.249
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 B 120–249（130 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
6BJ2 TCR589 in complex with HIV(Pol448-456)/HLA-B35 Deposited 2017-11-03 Assembly 1 Other combination Heteromer；Protein × 5 PDB declaration: pentameric（5） Consistent with protein count
Chain E 120–249（130 aa）
Not recorded ZN ZINC ION × 3 NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION；pH 8；295 K；0.1 M Tris, pH 8.0, 20% PEG3350, 0.002 M zinc chloride
Resolution 3.35 Å R-free 0.276
6BJ3 TCR55 in complex with HIV(Pol448-456)/HLA-B35 Deposited 2017-11-03 Assembly 1 Protein heterocomplex Heteromer；Protein × 5 PDB declaration: pentameric（5） Consistent with protein count
Chain H 107–249（143 aa）
Mutation：A187C EDO 1,2-ETHANEDIOL × 3 SO4 SULFATE ION × 5 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION；295 K；PEG4000, 0.1 M sodium cacodylate, pH 6.0, 0.2 M ammonium sulfate
Resolution 1.90 Å R-free 0.216
6BJ8 TCR55 in complex with Pep20/HLA-B35 Deposited 2017-11-05 Assembly 1 Protein heterocomplex Heteromer；Protein × 5 PDB declaration: pentameric（5） Consistent with protein count
Chain H 107–249（143 aa）
Mutation：A187C GOL GLYCEROL × 27 PO4 PHOSPHATE ION × 4 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION；295 K；0.04 M potassium phosphate monobasic, 16% w/v PEG8000, 20% v/v glycerol
Resolution 1.75 Å R-free 0.183
6CW6 Structure of alpha-GC[8,18] bound by CD1d and in complex with the Va14Vb8.2 TCR Deposited 2018-03-29 Assembly 1 Other combination Heteromer；Protein × 4 PDB declaration: tetrameric（4） Consistent with protein count
Chain D 138–248（111 aa）
Not recorded NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 2 PBS (2S,3S,4R)-N-OCTANOYL-1-[(ALPHA-D-GALACTOPYRANOSYL)OXY]-2-AMINO-OCTADECANE-3,4-DIOL × 1 PLM PALMITIC ACID × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 4；295 K；8% Tacsimate pH 4.0 20% PEG 3350
Resolution 2.85 Å R-free 0.250
6D78 The complex between high-affinity TCR DMF5(alpha-D26Y,beta-L98W) and human Class I MHC HLA-A2 with the bound MART-1(27-35)peptide Deposited 2018-04-24 Assembly 1 Protein heterocomplex Heteromer；Protein × 5 PDB declaration: pentameric（5） Consistent with protein count
Chain E 125–249（125 aa）
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7.5；298 K；0.1 M Tris, 12% PEG6000, 0.2 M magnesium chloride
Resolution 2.35 Å R-free 0.255
6DKP The complex among DMF5(alpha-D26Y, alpha-Y50A,beta-L98W) TCR, human Class I MHC HLA-A2 and MART-1(26-35)(A27L) peptide Deposited 2018-05-30 Assembly 1 Insufficient information Heteromer；Protein × 5 PDB declaration: pentameric（5） Consistent with protein count
Chain E 120–249（130 aa）
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 8；298 K；12% Peg 3350, 250mM MgCl2, 0.1M HEPES
Resolution 2.97 Å R-free 0.286
6PY2 HLA-TCR complex Deposited 2019-07-28 Assembly 1 Protein heterocomplex Heteromer；Protein × 5 PDB declaration: pentameric（5） Consistent with protein count
Chain E 120–249（130 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 E 123–249（127 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
6R2L NYBR1-A2-SLSKILDTV Deposited 2019-03-18 Assembly 1 Insufficient information Heteromer；Protein × 5 PDB declaration: pentameric（5） Consistent with protein count
Chain E 107–249（143 aa）
Not recorded PEG DI(HYDROXYETHYL)ETHER × 1 EDO 1,2-ETHANEDIOL × 2 GOL GLYCEROL × 3 SO4 SULFATE ION × 8 EPE 4-(2-HYDROXYETHYL)-1-PIPERAZINE ETHANESULFONIC ACID × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 6；291 K；0.2 M NaCl, 0.1 M MES, 20% PEG 6000, pH 6.0 . Condition B07 from Molecular Dimensions PACT premier HT-96/FX-96, MD1-36
Resolution 2.30 Å R-free 0.265
6U07 Computational Stabilization of T Cell Receptor Constant Domains Deposited 2019-08-13 Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain B 120–249（130 aa）
Not recorded MG MAGNESIUM ION × 3 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 7.5；293 K；23% PEG 4K, 300 mM magnesium sulfate, 10% glycerol
Resolution 1.76 Å R-free 0.226
6V80 Crystal structure of human CD1d presenting alpha-Galactosylceramide in complex with NKT12 TCR and VHH nanobody 1D12 Deposited 2019-12-10 Assembly 1 Insufficient information Heteromer；Protein × 5 PDB declaration: pentameric（5） Consistent with protein count
Chain D 6–249（244 aa）
Not recorded AGH N-{(1S,2R,3S)-1-[(ALPHA-D-GALACTOPYRANOSYLOXY)METHYL]-2,3-DIHYDROXYHEPTADECYL}HEXACOSANAMIDE × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；293 K；21 % (v/v) PEG 3350, 0.2 M tri-sodium citrate, 3% (v/v) D-(+)-trehalose dehydrate
Resolution 3.53 Å R-free 0.254
6V80 Crystal structure of human CD1d presenting alpha-Galactosylceramide in complex with NKT12 TCR and VHH nanobody 1D12 Deposited 2019-12-10 Assembly 2 Insufficient information Heteromer；Protein × 5 PDB declaration: pentameric（5） Consistent with protein count
Chain I 6–249（244 aa）
Not recorded AGH N-{(1S,2R,3S)-1-[(ALPHA-D-GALACTOPYRANOSYLOXY)METHYL]-2,3-DIHYDROXYHEPTADECYL}HEXACOSANAMIDE × 1 NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 2 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；293 K；21 % (v/v) PEG 3350, 0.2 M tri-sodium citrate, 3% (v/v) D-(+)-trehalose dehydrate
Resolution 3.53 Å R-free 0.254
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 D 120–249（130 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 E 107–249（143 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 E 107–249（143 aa）
Not recorded 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 E 107–249（143 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
7NDQ Gag:02 TCR in complex with HLA-E. Deposited 2021-02-02 Assembly 1 Insufficient information Heteromer；Protein × 5 PDB declaration: pentameric（5） Consistent with protein count
Chain EEE 120–249（130 aa）
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；293 K；23.2% (w/v) PEG 1500, 93 mM MMT pH 9.0
Resolution 2.55 Å R-free 0.296
7NDU Gag:02 TCR in complex with HLA-E featuring a non-natural amino acid Deposited 2021-02-02 Assembly 1 Insufficient information Heteromer；Protein × 5 PDB declaration: pentameric（5） Consistent with protein count
Chain EEE 120–249（130 aa）
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；293 K；22.3% (w/v) PEG 1500, 89 mM MMT pH 9.0
Resolution 2.90 Å R-free 0.301

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.