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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：A0A0K0K1A5 New Search
12PDB entries
16Biological assembly
16chain/assembly records
Main Difference Dimensions in This Set
Different construct 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
5E9D RD-1 Mart-1 High bound to Mart-1 decameric peptide (ELA) in complex with HLA-A2 Deposited 2015-10-15 Assembly 1 Protein heterocomplex Heteromer；Protein × 5 PDB declaration: pentameric（5） Consistent with protein count
Chain E 20–112（93 aa）
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 5.6；300 K；PEG 4000, 0.002 M Zinc Acetate, 5% 2- propanol.
Resolution 2.51 Å R-free 0.232
5E9D RD-1 Mart-1 High bound to Mart-1 decameric peptide (ELA) in complex with HLA-A2 Deposited 2015-10-15 Assembly 2 Protein heterocomplex Heteromer；Protein × 5 PDB declaration: pentameric（5） Consistent with protein count
Chain J 20–112（93 aa）
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 5.6；300 K；PEG 4000, 0.002 M Zinc Acetate, 5% 2- propanol.
Resolution 2.51 Å R-free 0.232
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 21–114（94 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
6JXR Structure of human T cell receptor-CD3 complex Deposited 2019-04-24 Assembly 1 Insufficient information Heteromer；Protein × 8 PDB declaration: octameric（8） Consistent with protein count
Chain n 22–112（91 aa）
Not recorded No recorded non-water small molecule ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen NITROGEN
Resolution 3.70 Å
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 22–114（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
7FJD Cryo-EM structure of a membrane protein(WT) Deposited 2021-08-03 Assembly 1 Insufficient information Heteromer；Protein × 8 PDB declaration: octameric（8） Consistent with protein count
Chain n 1–112（112 aa）
Not recorded CLR CHOLESTEROL × 2 ELECTRON MICROSCOPY
cryo-EM buffer pH 8
cryo-EM vitrification conditions Cryogen NITROGEN
Resolution 3.20 Å
7FJE Cryo-EM structure of a membrane protein(LL) Deposited 2021-08-03 Assembly 1 Insufficient information Heteromer；Protein × 8 PDB declaration: octameric（8） Consistent with protein count
Chain n 1–112（112 aa）
Not recorded CLR CHOLESTEROL × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 8
cryo-EM vitrification conditions Cryogen NITROGEN
Resolution 3.00 Å
7FJF Cryo-EM structure of a membrane protein(CS) Deposited 2021-08-03 Assembly 1 Insufficient information Heteromer；Protein × 8 PDB declaration: octameric（8） Consistent with protein count
Chain n 1–112（112 aa）
Not recorded C3S CHOLEST-5-EN-3-YL HYDROGEN SULFATE × 2 ELECTRON MICROSCOPY
cryo-EM buffer pH 8
cryo-EM vitrification conditions Cryogen NITROGEN
Resolution 3.10 Å
8RLT TCR in complex with HLA-E*01:03 bound to HBV envelope 371-379 index peptide Deposited 2024-01-03 Assembly 1 Insufficient information Heteromer；Protein × 5 PDB declaration: pentameric（5） Consistent with protein count
Chain E 20–112（93 aa）
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 8.5；293 K；20% (w/v) PEG 3350, 100 mM BIS-TRIS propane pH 8.5, 200 mM sodium sulfate
Resolution 2.25 Å R-free 0.252
8RLT TCR in complex with HLA-E*01:03 bound to HBV envelope 371-379 index peptide Deposited 2024-01-03 Assembly 2 Insufficient information Heteromer；Protein × 5 PDB declaration: pentameric（5） Consistent with protein count
Chain J 20–112（93 aa）
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 8.5；293 K；20% (w/v) PEG 3350, 100 mM BIS-TRIS propane pH 8.5, 200 mM sodium sulfate
Resolution 2.25 Å R-free 0.252
8RLU TCR in complex with HLA-E*01:03 bound to HBV envelope 371-379 S3N peptide Deposited 2024-01-03 Assembly 1 Insufficient information Heteromer；Protein × 5 PDB declaration: pentameric（5） Consistent with protein count
Chain E 20–112（93 aa）
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 8.5；293 K；20% (w/v) PEG 3350, 100 mM BIS-TRIS propane pH 8.5, 200 mM sodium sulfate
Resolution 2.35 Å R-free 0.261
8RLU TCR in complex with HLA-E*01:03 bound to HBV envelope 371-379 S3N peptide Deposited 2024-01-03 Assembly 2 Insufficient information Heteromer；Protein × 5 PDB declaration: pentameric（5） Consistent with protein count
Chain J 20–112（93 aa）
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 8.5；293 K；20% (w/v) PEG 3350, 100 mM BIS-TRIS propane pH 8.5, 200 mM sodium sulfate
Resolution 2.35 Å R-free 0.261
8RLV TCR in complex with HLA-E*01:03 bound to HBV envelope 371-379 L6I peptide Deposited 2024-01-03 Assembly 1 Insufficient information Heteromer；Protein × 5 PDB declaration: pentameric（5） Consistent with protein count
Chain E 20–112（93 aa）
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 8.5；293 K；20% (w/v) PEG 3350, 100 mM BIS-TRIS propane pH 8.5, 200 mM sodium sulfate Collection Temp: 100
Resolution 2.61 Å R-free 0.251
8RLV TCR in complex with HLA-E*01:03 bound to HBV envelope 371-379 L6I peptide Deposited 2024-01-03 Assembly 2 Insufficient information Heteromer；Protein × 5 PDB declaration: pentameric（5） Consistent with protein count
Chain J 20–112（93 aa）
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 8.5；293 K；20% (w/v) PEG 3350, 100 mM BIS-TRIS propane pH 8.5, 200 mM sodium sulfate Collection Temp: 100
Resolution 2.61 Å R-free 0.251
8TW4 TCR in nanodisc ND-I Deposited 2023-08-20 Assembly 1 Insufficient information Heteromer；Protein × 8 PDB declaration: octameric（8） Consistent with protein count
Chain B 1–114（114 aa）
Not recorded NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 3 CLR CHOLESTEROL × 2 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.30 Å
8TW6 TCR in nanodisc ND-II Deposited 2023-08-20 Assembly 1 Insufficient information Heteromer；Protein × 8 PDB declaration: octameric（8） Consistent with protein count
Chain B 1–114（114 aa）
Not recorded CLR CHOLESTEROL × 2 NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.10 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.