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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：O19626 New Search
4PDB entries
10Biological assembly
10chain/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
2H6P Crystal structure of HLA-B*3501 presenting the human cytochrome P450 derived peptide, KPIVVLHGY Deposited 2006-05-31 Assembly 1 Protein heterocomplex Heteromer；Protein × 3 PDB declaration: trimeric（3） Consistent with protein count
Chain A 25–300（276 aa） Fragment：Extracellular domains alpha 1
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7.6；277 K；18% PEG 3350, 0.1M ammonium acetate, 0.1M cacodylate, pH 7.6, VAPOR DIFFUSION, HANGING DROP, temperature 277K
Resolution 1.90 Å R-free 0.239
2NX5 Crystal structure of ELS4 TCR bound to HLA-B*3501 presenting EBV peptide EPLPQGQLTAY at 1.7A Deposited 2006-11-16 Assembly 1 Protein heterocomplex Heteromer；Protein × 5 PDB declaration: pentameric（5） Consistent with protein count
Chain A 25–300（276 aa）
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 6.4；277 K；0.1M Na Cacodylate (pH6.4), 0.2M CaCl2, 16% PEG 3350, 3% 1,6Hexanediol, vapor diffusion, hanging drop, temperature 277K
Resolution 2.70 Å R-free 0.327
2NX5 Crystal structure of ELS4 TCR bound to HLA-B*3501 presenting EBV peptide EPLPQGQLTAY at 1.7A Deposited 2006-11-16 Assembly 2 Protein heterocomplex Heteromer；Protein × 5 PDB declaration: pentameric（5） Consistent with protein count
Chain F 25–300（276 aa）
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 6.4；277 K；0.1M Na Cacodylate (pH6.4), 0.2M CaCl2, 16% PEG 3350, 3% 1,6Hexanediol, vapor diffusion, hanging drop, temperature 277K
Resolution 2.70 Å R-free 0.327
2NX5 Crystal structure of ELS4 TCR bound to HLA-B*3501 presenting EBV peptide EPLPQGQLTAY at 1.7A Deposited 2006-11-16 Assembly 3 Protein heterocomplex Heteromer；Protein × 5 PDB declaration: pentameric（5） Consistent with protein count
Chain K 25–300（276 aa）
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 6.4；277 K；0.1M Na Cacodylate (pH6.4), 0.2M CaCl2, 16% PEG 3350, 3% 1,6Hexanediol, vapor diffusion, hanging drop, temperature 277K
Resolution 2.70 Å R-free 0.327
2NX5 Crystal structure of ELS4 TCR bound to HLA-B*3501 presenting EBV peptide EPLPQGQLTAY at 1.7A Deposited 2006-11-16 Assembly 4 Protein heterocomplex Heteromer；Protein × 5 PDB declaration: pentameric（5） Consistent with protein count
Chain Q 25–300（276 aa）
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 6.4；277 K；0.1M Na Cacodylate (pH6.4), 0.2M CaCl2, 16% PEG 3350, 3% 1,6Hexanediol, vapor diffusion, hanging drop, temperature 277K
Resolution 2.70 Å R-free 0.327
8V50 Crystal structure of a HLA-B*35:01-NP6 with D1 TCR Deposited 2023-11-30 Assembly 1 Protein heterocomplex Heteromer；Protein × 5 PDB declaration: pentameric（5） Consistent with protein count
Chain A 26–299（274 aa）
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；293 K；PEG
Resolution 2.65 Å R-free 0.265
8V50 Crystal structure of a HLA-B*35:01-NP6 with D1 TCR Deposited 2023-11-30 Assembly 2 Protein heterocomplex Heteromer；Protein × 5 PDB declaration: pentameric（5） Consistent with protein count
Chain F 26–299（274 aa）
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；293 K；PEG
Resolution 2.65 Å R-free 0.265
8V50 Crystal structure of a HLA-B*35:01-NP6 with D1 TCR Deposited 2023-11-30 Assembly 3 Protein heterocomplex Heteromer；Protein × 5 PDB declaration: pentameric（5） Consistent with protein count
Chain K 26–299（274 aa）
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；293 K；PEG
Resolution 2.65 Å R-free 0.265
8V50 Crystal structure of a HLA-B*35:01-NP6 with D1 TCR Deposited 2023-11-30 Assembly 4 Protein heterocomplex Heteromer；Protein × 5 PDB declaration: pentameric（5） Consistent with protein count
Chain P 26–299（274 aa）
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；293 K；PEG
Resolution 2.65 Å R-free 0.265
8V51 Crystal structure of a HLA-B*35:01-NP10 with D1 TCR Deposited 2023-11-30 Assembly 1 Protein heterocomplex Heteromer；Protein × 5 PDB declaration: pentameric（5） Consistent with protein count
Chain A 25–297（273 aa）
Not recorded EDO 1,2-ETHANEDIOL × 1 NA SODIUM ION × 1 PO4 PHOSPHATE ION × 5 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；293 K；PEG
Resolution 2.10 Å R-free 0.244

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.