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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：Q31093 New Search
6PDB entries
12Biological assembly
13chain/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
1MHC MODEL OF MHC CLASS I H2-M3 WITH NONAPEPTIDE FROM RAT ND1 REFINED AT 2.3 ANGSTROMS RESOLUTION Deposited 1995-08-23 Assembly 1 Protein heterocomplex Heteromer；Protein × 3 PDB declaration: trimeric（3） Consistent with protein count
Chain A 25–298（274 aa）
Mutation：INS(275(A)-282(A)), INS(275(D)-282(D)) No recorded non-water small molecule X-RAY DIFFRACTION mmCIF provides none of the parsed conditions Resolution 2.10 Å
1MHC MODEL OF MHC CLASS I H2-M3 WITH NONAPEPTIDE FROM RAT ND1 REFINED AT 2.3 ANGSTROMS RESOLUTION Deposited 1995-08-23 Assembly 2 Protein heterocomplex Heteromer；Protein × 3 PDB declaration: trimeric（3） Consistent with protein count
Chain D 25–298（274 aa）
Mutation：INS(275(A)-282(A)), INS(275(D)-282(D)) NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 1 X-RAY DIFFRACTION mmCIF provides none of the parsed conditions Resolution 2.10 Å
1MHC MODEL OF MHC CLASS I H2-M3 WITH NONAPEPTIDE FROM RAT ND1 REFINED AT 2.3 ANGSTROMS RESOLUTION Deposited 1995-08-23 Assembly 3 Protein heterocomplex Heteromer；Protein × 6 PDB declaration: hexameric（6） Consistent with protein count
Chain A 25–298（274 aa）
Chain D 25–298（274 aa）
Mutation：INS(275(A)-282(A)), INS(275(D)-282(D)) Mutation：INS(275(A)-282(A)), INS(275(D)-282(D)) NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 1 X-RAY DIFFRACTION mmCIF provides none of the parsed conditions Resolution 2.10 Å
7LFI MODEL OF MHC CLASS Ib H2-M3 WITH MOUSE ND1 N-TERMINAL HEPTAPEPTIDE REFINED AT 1.70 ANGSTROMS RESOLUTION Deposited 2021-01-17 Assembly 1 Protein heterocomplex Heteromer；Protein × 3 PDB declaration: trimeric（3） Consistent with protein count
Chain A 25–301（277 aa）
Mutation：G299 deletion NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 1 NA SODIUM ION × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 7；283 K；0.1 M Hepes, 20% (w/v) PEG 4000, 30% (v/v) ethylene glycol
Resolution 1.70 Å R-free 0.259
7LFI MODEL OF MHC CLASS Ib H2-M3 WITH MOUSE ND1 N-TERMINAL HEPTAPEPTIDE REFINED AT 1.70 ANGSTROMS RESOLUTION Deposited 2021-01-17 Assembly 2 Protein heterocomplex Heteromer；Protein × 3 PDB declaration: trimeric（3） Consistent with protein count
Chain D 25–301（277 aa）
Mutation：G299 deletion NA SODIUM ION × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 7；283 K；0.1 M Hepes, 20% (w/v) PEG 4000, 30% (v/v) ethylene glycol
Resolution 1.70 Å R-free 0.259
7LFJ MODEL OF MHC CLASS Ib H2-M3 WITH MOUSE ND1 N-TERMINAL HEPTAPEPTIDE, ALA MUTANT, REFINED AT 1.70 ANGSTROMS RESOLUTION Deposited 2021-01-17 Assembly 1 Protein heterocomplex Heteromer；Protein × 3 PDB declaration: trimeric（3） Consistent with protein count
Chain A 25–301（277 aa）
Mutation：G299 deletion NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 1 NA SODIUM ION × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 7；283 K；0.1 M Hepes, 20% (w/v) PEG 4000, 30% (v/v) ethylene glycol
Resolution 1.70 Å R-free 0.207
7LFJ MODEL OF MHC CLASS Ib H2-M3 WITH MOUSE ND1 N-TERMINAL HEPTAPEPTIDE, ALA MUTANT, REFINED AT 1.70 ANGSTROMS RESOLUTION Deposited 2021-01-17 Assembly 2 Protein heterocomplex Heteromer；Protein × 3 PDB declaration: trimeric（3） Consistent with protein count
Chain D 25–301（277 aa）
Mutation：G299 deletion No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 7；283 K；0.1 M Hepes, 20% (w/v) PEG 4000, 30% (v/v) ethylene glycol
Resolution 1.70 Å R-free 0.207
7LFK MODEL OF MHC CLASS Ib H2-M3 WITH MOUSE ND1 N-TERMINAL HEPTAPEPTIDE, THR MUTANT, REFINED AT 1.60 ANGSTROMS RESOLUTION Deposited 2021-01-17 Assembly 1 Protein heterocomplex Heteromer；Protein × 3 PDB declaration: trimeric（3） Consistent with protein count
Chain A 25–301（277 aa）
Mutation：G299 deletion NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 1 NA SODIUM ION × 3 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 7；283 K；0.1 M Hepes, 20% (w/v) PEG 4000, 30% (v/v) ethylene glycol
Resolution 1.60 Å R-free 0.244
7LFK MODEL OF MHC CLASS Ib H2-M3 WITH MOUSE ND1 N-TERMINAL HEPTAPEPTIDE, THR MUTANT, REFINED AT 1.60 ANGSTROMS RESOLUTION Deposited 2021-01-17 Assembly 2 Protein heterocomplex Heteromer；Protein × 3 PDB declaration: trimeric（3） Consistent with protein count
Chain D 25–301（277 aa）
Mutation：G299 deletion NA SODIUM ION × 3 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 7；283 K；0.1 M Hepes, 20% (w/v) PEG 4000, 30% (v/v) ethylene glycol
Resolution 1.60 Å R-free 0.244
7LFL MODEL OF MHC CLASS Ib H2-M3 WITH MOUSE ND1 N-TERMINAL HEPTAPEPTIDE, VAL MUTANT, MONOCLINIC CELL, REFINED AT 1.60 ANGSTROMS RESOLUTION Deposited 2021-01-17 Assembly 1 Protein heterocomplex Heteromer；Protein × 3 PDB declaration: trimeric（3） Consistent with protein count
Chain A 25–301（277 aa）
Mutation：G299 deletion NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 7；283 K；0.1 M Hepes, 20% (w/v) PEG 4000, 30% (v/v) ethylene glycol
Resolution 1.60 Å R-free 0.239
7LFM MODEL OF MHC CLASS Ib H2-M3 WITH MOUSE ND1 N-TERMINAL HEPTAPEPTIDE, VAL MUTANT, TRICLINIC CELL, REFINED AT 1.60 ANGSTROMS RESOLUTION Deposited 2021-01-17 Assembly 1 Protein heterocomplex Heteromer；Protein × 3 PDB declaration: trimeric（3） Consistent with protein count
Chain A 25–301（277 aa）
Mutation：G299 deletion NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 1 NA SODIUM ION × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 7；283 K；0.1 M Hepes, 20% (w/v) PEG 4000, 30% (v/v) ethylene glycol
Resolution 1.60 Å R-free 0.217
7LFM MODEL OF MHC CLASS Ib H2-M3 WITH MOUSE ND1 N-TERMINAL HEPTAPEPTIDE, VAL MUTANT, TRICLINIC CELL, REFINED AT 1.60 ANGSTROMS RESOLUTION Deposited 2021-01-17 Assembly 2 Protein heterocomplex Heteromer；Protein × 3 PDB declaration: trimeric（3） Consistent with protein count
Chain D 25–301（277 aa）
Mutation：G299 deletion No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 7；283 K；0.1 M Hepes, 20% (w/v) PEG 4000, 30% (v/v) ethylene glycol
Resolution 1.60 Å R-free 0.217

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.