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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：A0A0U5IHY9 New Search
3PDB entries
3Biological assembly
3chain/assembly records
Main Difference Dimensions in This Set
Different construct 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
6PX6 HLA-TCR complex Deposited 2019-07-24 Assembly 1 Protein heterocomplex Heteromer；Protein × 5 PDB declaration: pentameric（5） Consistent with protein count
Chain B 1–261（261 aa）
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7.5；294 K；0.1 M MOPS/HEPES, pH 7.5, 12.5% v/v PEG1000, 12.5% v/v MPD, 12.5% w/v PEG3350, 0.04 M NPS mixture
Resolution 3.00 Å R-free 0.257
6PY2 HLA-TCR complex Deposited 2019-07-28 Assembly 1 Protein heterocomplex Heteromer；Protein × 5 PDB declaration: pentameric（5） Consistent with protein count
Chain B 1–261（261 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
9EJI Peptide-independent T cell receptor recognition of HLA-DQ2 Deposited 2024-11-27 Assembly 1 Other combination Heteromer；Protein × 5 PDB declaration: pentameric（5） Consistent with protein count
Chain B 33–228（196 aa）
Not recorded GOL GLYCEROL × 2 NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 1 ACT ACETATE ION × 3 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；293 K；8% Tacsimate pH 8.0, 20-24% w/v PEG3350
Resolution 2.20 Å R-free 0.220

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.