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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：D7RIH9 New Search
2PDB entries
4Biological assembly
4chain/assembly records
Main Difference Dimensions in This Set
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
6CPO Crystal structure of DR15 presenting the RQ13 peptide Deposited 2018-03-13 Assembly 1 Protein heterocomplex Heteromer；Protein × 3 PDB declaration: trimeric（3） Consistent with protein count
Chain B 30–219（190 aa）
Not recorded NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 2 PGE TRIETHYLENE GLYCOL × 1 PO4 PHOSPHATE ION × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；295 K；PBS pH 7.5, Na acetate, PEG 4000
Resolution 2.40 Å R-free 0.246
6CPO Crystal structure of DR15 presenting the RQ13 peptide Deposited 2018-03-13 Assembly 2 Protein heterocomplex Heteromer；Protein × 3 PDB declaration: trimeric（3） Consistent with protein count
Chain E 30–219（190 aa）
Not recorded NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 2 PO4 PHOSPHATE ION × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；295 K；PBS pH 7.5, Na acetate, PEG 4000
Resolution 2.40 Å R-free 0.246
6CQQ Crystal structure of F24 TCR -DR15-RQ13 peptide complex Deposited 2018-03-16 Assembly 1 Protein heterocomplex Heteromer；Protein × 5 PDB declaration: pentameric（5） Consistent with protein count
Chain B 30–219（190 aa）
Not recorded NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 1 MG MAGNESIUM ION × 2 SO4 SULFATE ION × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；295 K；PEG 4000, AmSO4, MgCl
Resolution 2.80 Å R-free 0.254
6CQQ Crystal structure of F24 TCR -DR15-RQ13 peptide complex Deposited 2018-03-16 Assembly 2 Protein heterocomplex Heteromer；Protein × 5 PDB declaration: pentameric（5） Consistent with protein count
Chain G 30–219（190 aa）
Not recorded NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 2 EDO 1,2-ETHANEDIOL × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；295 K；PEG 4000, AmSO4, MgCl
Resolution 2.80 Å R-free 0.254

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.