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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：O78189 New Search
6PDB entries
8Biological assembly
8chain/assembly records
Main Difference Dimensions in This Set
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
6VPZ HLA-B*27:05 presenting an HIV-1 11mer peptide Deposited 2020-02-04 Assembly 1 Protein heterocomplex Heteromer；Protein × 3 PDB declaration: trimeric（3） Consistent with protein count
Chain A 25–300（276 aa）
Not recorded GOL GLYCEROL × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 6.3；277 K；20 %w/v Polyethylene Glycol 3350, 0.2 M Ammonium Chloride
Resolution 2.10 Å R-free 0.235
6VQ2 HLA-B*27:05 presenting an HIV-1 14mer peptide Deposited 2020-02-04 Assembly 1 Protein heterocomplex Heteromer；Protein × 3 PDB declaration: trimeric（3） Consistent with protein count
Chain A 25–300（276 aa）
Not recorded GOL GLYCEROL × 2 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；277 K；20 %w/v Polyethylene Glycol 8000, 0.05 M Potassium di-Hydrogen Phosphate
Resolution 2.25 Å R-free 0.230
6VQD HLA-B*27:05 presenting an HIV-1 8mer peptide Deposited 2020-02-05 Assembly 1 Protein heterocomplex Heteromer；Protein × 3 PDB declaration: trimeric（3） Consistent with protein count
Chain A 25–300（276 aa）
Not recorded GOL GLYCEROL × 3 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 4.8；277 K；20 %w/v Polyethylene Glycol 3350, 0.2 M Potassium di-Hydrogen Phosphate
Resolution 1.88 Å R-free 0.206
6VQE HLA-B*27:05 presenting an HIV-1 13mer peptide Deposited 2020-02-05 Assembly 1 Protein heterocomplex Heteromer；Protein × 3 PDB declaration: trimeric（3） Consistent with protein count
Chain A 25–300（276 aa）
Not recorded GOL GLYCEROL × 2 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 4.8；277 K；20 %w/v Polyethylene Glycol 3350, 0.2 M Potassium di-Hydrogen Phosphate
Resolution 1.77 Å R-free 0.186
6VQY HLA-B*27:05 presenting an HIV-1 7mer peptide Deposited 2020-02-06 Assembly 1 Protein heterocomplex Heteromer；Protein × 3 PDB declaration: trimeric（3） Consistent with protein count
Chain A 25–300（276 aa）
Not recorded ARG ARGININE × 1 GOL GLYCEROL × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 6.5；277 K；30 %w/v Polyethylene Glycol Monomethyl Ether 5000, 0.2 M Ammonium Sulphate, 0.1 M MES pH 6.5
Resolution 2.57 Å R-free 0.238
6VQY HLA-B*27:05 presenting an HIV-1 7mer peptide Deposited 2020-02-06 Assembly 2 Protein heterocomplex Heteromer；Protein × 3 PDB declaration: trimeric（3） Consistent with protein count
Chain C 25–300（276 aa）
Not recorded ARG ARGININE × 2 GOL GLYCEROL × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 6.5；277 K；30 %w/v Polyethylene Glycol Monomethyl Ether 5000, 0.2 M Ammonium Sulphate, 0.1 M MES pH 6.5
Resolution 2.57 Å R-free 0.238
6VQZ HLA-B*27:05 presenting an HIV-1 6mer peptide Deposited 2020-02-06 Assembly 1 Protein heterocomplex Heteromer；Protein × 3 PDB declaration: trimeric（3） Consistent with protein count
Chain A 25–300（276 aa）
Not recorded ARG ARGININE × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 6.5；277 K；30 %w/v Polyethylene Glycol Monomethyl Ether 5000, 0.2 M Ammonium Sulphate, 0.1 M MES pH 6.5
Resolution 2.25 Å R-free 0.244
6VQZ HLA-B*27:05 presenting an HIV-1 6mer peptide Deposited 2020-02-06 Assembly 2 Protein heterocomplex Heteromer；Protein × 3 PDB declaration: trimeric（3） Consistent with protein count
Chain C 25–300（276 aa）
Not recorded ARG ARGININE × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 6.5；277 K；30 %w/v Polyethylene Glycol Monomethyl Ether 5000, 0.2 M Ammonium Sulphate, 0.1 M MES pH 6.5
Resolution 2.25 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.