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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：Q9QDK7 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
1N59 Crystal structure of the Murine class I Major Histocompatibility Complex of H-2KB, B2-Microglobulin, and A 9-Residue immunodominant peptide epitope gp33 derived from LCMV Deposited 2002-11-05 Assembly 1 Protein heterocomplex Heteromer；Protein × 3 PDB declaration: trimeric（3） Consistent with protein count
Chain P 33–40（8 aa）
Mutation：C9M No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7；298 K；PEG8000, magnesium acetate, pH 7.0, VAPOR DIFFUSION, HANGING DROP, temperature 298K
Resolution 2.95 Å R-free 0.287
1N59 Crystal structure of the Murine class I Major Histocompatibility Complex of H-2KB, B2-Microglobulin, and A 9-Residue immunodominant peptide epitope gp33 derived from LCMV Deposited 2002-11-05 Assembly 2 Protein heterocomplex Heteromer；Protein × 3 PDB declaration: trimeric（3） Consistent with protein count
Chain Q 33–40（8 aa）
Mutation：C9M No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7；298 K；PEG8000, magnesium acetate, pH 7.0, VAPOR DIFFUSION, HANGING DROP, temperature 298K
Resolution 2.95 Å R-free 0.287
1N5A Crystal structure of the Murine class I Major Histocompatibility Complex of H-2DB, B2-Microglobulin, and A 9-Residue immunodominant peptide epitope gp33 derived from LCMV Deposited 2002-11-05 Assembly 1 Protein heterocomplex Heteromer；Protein × 3 PDB declaration: trimeric（3） Consistent with protein count
Chain C 33–40（8 aa）
Mutation：C9M No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 8.5；298 K；Ammonium sulfate, ethylene glycol, pH 8.5, VAPOR DIFFUSION, HANGING DROP, temperature 298.0K
Resolution 2.85 Å R-free 0.279
1N5A Crystal structure of the Murine class I Major Histocompatibility Complex of H-2DB, B2-Microglobulin, and A 9-Residue immunodominant peptide epitope gp33 derived from LCMV Deposited 2002-11-05 Assembly 2 Protein heterocomplex Heteromer；Protein × 3 PDB declaration: trimeric（3） Consistent with protein count
Chain F 33–40（8 aa）
Mutation：C9M No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 8.5；298 K；Ammonium sulfate, ethylene glycol, pH 8.5, VAPOR DIFFUSION, HANGING DROP, temperature 298.0K
Resolution 2.85 Å R-free 0.279
1N5A Crystal structure of the Murine class I Major Histocompatibility Complex of H-2DB, B2-Microglobulin, and A 9-Residue immunodominant peptide epitope gp33 derived from LCMV Deposited 2002-11-05 Assembly 3 Protein heterocomplex Heteromer；Protein × 3 PDB declaration: trimeric（3） Consistent with protein count
Chain I 33–40（8 aa）
Mutation：C9M No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 8.5；298 K；Ammonium sulfate, ethylene glycol, pH 8.5, VAPOR DIFFUSION, HANGING DROP, temperature 298.0K
Resolution 2.85 Å R-free 0.279
1N5A Crystal structure of the Murine class I Major Histocompatibility Complex of H-2DB, B2-Microglobulin, and A 9-Residue immunodominant peptide epitope gp33 derived from LCMV Deposited 2002-11-05 Assembly 4 Protein heterocomplex Heteromer；Protein × 3 PDB declaration: trimeric（3） Consistent with protein count
Chain L 33–40（8 aa）
Mutation：C9M No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 8.5；298 K；Ammonium sulfate, ethylene glycol, pH 8.5, VAPOR DIFFUSION, HANGING DROP, temperature 298.0K
Resolution 2.85 Å R-free 0.279
3ROL Murine class I major histocompatibility complex H-2Kb in complex with post-translationally modified LCMV-derived gp34-41 peptide, comprising a nitrotyrosine at position 3 Deposited 2011-04-26 Assembly 1 Protein heterocomplex Heteromer；Protein × 3 PDB declaration: trimeric（3） Consistent with protein count
Chain E 34–41（8 aa） Fragment：unp residues 34-41
Non-standard monomer：Yes (specific site not provided by mmCIF) PO4 PHOSPHATE ION × 1 X-RAY DIFFRACTION
X-ray crystallization conditions pH 6.7；293 K；1.8 M NaH2PO4/K2HPO4, 1.5% MPD, pH 6.7, VAPOR DIFFUSION, HANGING DROP, temperature 293K
Resolution 2.60 Å R-free 0.295
3ROL Murine class I major histocompatibility complex H-2Kb in complex with post-translationally modified LCMV-derived gp34-41 peptide, comprising a nitrotyrosine at position 3 Deposited 2011-04-26 Assembly 2 Protein heterocomplex Heteromer；Protein × 3 PDB declaration: trimeric（3） Consistent with protein count
Chain F 34–41（8 aa） Fragment：unp residues 34-41
Non-standard monomer：Yes (specific site not provided by mmCIF) PO4 PHOSPHATE ION × 1 GOL GLYCEROL × 1 MPD (4S)-2-METHYL-2,4-PENTANEDIOL × 1 X-RAY DIFFRACTION
X-ray crystallization conditions pH 6.7；293 K；1.8 M NaH2PO4/K2HPO4, 1.5% MPD, pH 6.7, VAPOR DIFFUSION, HANGING DROP, temperature 293K
Resolution 2.60 Å R-free 0.295
5TIL Murine class I major histocompatibility complex H-2 Db in complex with LCMV-derived GP33 altered peptide V3P and T-cell receptor P14 Deposited 2016-10-03 Assembly 1 Protein heterocomplex Heteromer；Protein × 5 PDB declaration: pentameric（5） Consistent with protein count
Chain C 33–41（9 aa） Fragment：gp33 peptide, UNP residues 33-41
Mutation：Val35Pro, Cys41Met No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 8；293 K；PEG 6000, Tris HCL
Resolution 2.83 Å R-free 0.275
5TIL Murine class I major histocompatibility complex H-2 Db in complex with LCMV-derived GP33 altered peptide V3P and T-cell receptor P14 Deposited 2016-10-03 Assembly 2 Protein heterocomplex Heteromer；Protein × 5 PDB declaration: pentameric（5） Consistent with protein count
Chain F 33–41（9 aa） Fragment：gp33 peptide, UNP residues 33-41
Mutation：Val35Pro, Cys41Met No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 8；293 K；PEG 6000, Tris HCL
Resolution 2.83 Å R-free 0.275

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.