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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：P01738 New Search
6PDB entries
15Biological assembly
15chain/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
1G6R A FUNCTIONAL HOT SPOT FOR ANTIGEN RECOGNITION IN A SUPERAGONIST TCR/MHC COMPLEX Deposited 2000-11-07 Assembly 1 Protein heterocomplex Heteromer；Protein × 5 PDB declaration: pentameric（5） Consistent with protein count
Chain A 21–130（110 aa） Fragment：EXTRACELLULAR DOMAIN
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION；pH 7.2；295 K；0.2 M Tris/acetate, 10% PEG 6000, pH 7.2, VAPOR DIFFUSION, temperature 22K
Resolution 2.80 Å R-free 0.327
1G6R A FUNCTIONAL HOT SPOT FOR ANTIGEN RECOGNITION IN A SUPERAGONIST TCR/MHC COMPLEX Deposited 2000-11-07 Assembly 2 Protein heterocomplex Heteromer；Protein × 5 PDB declaration: pentameric（5） Consistent with protein count
Chain C 21–130（110 aa） Fragment：EXTRACELLULAR DOMAIN
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION；pH 7.2；295 K；0.2 M Tris/acetate, 10% PEG 6000, pH 7.2, VAPOR DIFFUSION, temperature 22K
Resolution 2.80 Å R-free 0.327
1I9E TCR DOMAIN Deposited 2001-03-19 Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain A 21–135（115 aa） Fragment：N-TERMINAL DOMAIN OF ALPHA CHAIN
Not recorded NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION；pH 7.5；295 K；di-sodium tartrate, NaCl, imidazole/HCl, pH 7.5, VAPOR DIFFUSION, temperature 295K
Resolution 2.50 Å R-free 0.233
2ICW Crystal structure of a complete ternary complex between TCR, superantigen, and peptide-MHC class II molecule Deposited 2006-09-13 Assembly 1 Protein heterocomplex Heteromer；Protein × 6 PDB declaration: hexameric（6） Consistent with protein count
Chain I 21–130（110 aa） Fragment：residues 21-131
Mutation：W82R, L43P No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions EVAPORATION；pH 5.6；298 K；13-15% PEG 4000, 5% isopropanol, 0.1 M sodium citrate, 2 mM zinc acetate, pH 5.6, EVAPORATION, temperature 298K
Resolution 2.41 Å R-free 0.288
2ICW Crystal structure of a complete ternary complex between TCR, superantigen, and peptide-MHC class II molecule Deposited 2006-09-13 Assembly 2 Protein heterocomplex Heteromer；Protein × 6 PDB declaration: hexameric（6） Consistent with protein count
Chain K 21–130（110 aa） Fragment：residues 21-131
Mutation：W82R, L43P No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions EVAPORATION；pH 5.6；298 K；13-15% PEG 4000, 5% isopropanol, 0.1 M sodium citrate, 2 mM zinc acetate, pH 5.6, EVAPORATION, temperature 298K
Resolution 2.41 Å R-free 0.288
2OI9 Structure of the 2C/Ld/QL9 allogeneic complex Deposited 2007-01-10 Assembly 1 Protein heterocomplex Heteromer；Protein × 4 PDB declaration: tetrameric（4） Consistent with protein count
Chain B 21–130（110 aa）
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 7.2；298 K；0.9M sodium dihydrogen phosphate, 0.01M di-potassium hydrogen phosphate, pH 7.2, VAPOR DIFFUSION, SITTING DROP, temperature 298K
Resolution 2.35 Å R-free 0.226
3E2H Structure of the m67 high-affinity mutant of the 2C TCR in complex with Ld/QL9 Deposited 2008-08-05 Assembly 1 Protein heterocomplex Heteromer；Protein × 4 PDB declaration: tetrameric（4） Consistent with protein count
Chain B 22–130（109 aa）
Mutation：L43P, W82R, G99L, F100E, A101R, S102P, A103Y No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 7；295 K；2M ammonium tartrate, pH 7.0, VAPOR DIFFUSION, SITTING DROP, temperature 295K
Resolution 3.80 Å R-free 0.276
3E3Q Structure of the 3alpham13 high-affinity mutant of the 2C TCR in complex with Ld/QL9 Deposited 2008-08-07 Assembly 1 Protein heterocomplex Heteromer；Protein × 4 PDB declaration: tetrameric（4） Consistent with protein count
Chain D 22–130（109 aa）
Mutation：L43P, W82R, G99D F100P A101P S102P A103L No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；295 K；0.2M ammonium citrate, 20% PEG 3350, 3% trimethyl amine N-oxide dihydrate, VAPOR DIFFUSION, SITTING DROP, temperature 295K
Resolution 2.95 Å R-free 0.275
3E3Q Structure of the 3alpham13 high-affinity mutant of the 2C TCR in complex with Ld/QL9 Deposited 2008-08-07 Assembly 2 Protein heterocomplex Heteromer；Protein × 4 PDB declaration: tetrameric（4） Consistent with protein count
Chain C 22–130（109 aa）
Mutation：L43P, W82R, G99D F100P A101P S102P A103L No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；295 K；0.2M ammonium citrate, 20% PEG 3350, 3% trimethyl amine N-oxide dihydrate, VAPOR DIFFUSION, SITTING DROP, temperature 295K
Resolution 2.95 Å R-free 0.275
3E3Q Structure of the 3alpham13 high-affinity mutant of the 2C TCR in complex with Ld/QL9 Deposited 2008-08-07 Assembly 3 Protein heterocomplex Heteromer；Protein × 4 PDB declaration: tetrameric（4） Consistent with protein count
Chain d 22–130（109 aa）
Mutation：L43P, W82R, G99D F100P A101P S102P A103L No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；295 K；0.2M ammonium citrate, 20% PEG 3350, 3% trimethyl amine N-oxide dihydrate, VAPOR DIFFUSION, SITTING DROP, temperature 295K
Resolution 2.95 Å R-free 0.275
3E3Q Structure of the 3alpham13 high-affinity mutant of the 2C TCR in complex with Ld/QL9 Deposited 2008-08-07 Assembly 4 Protein heterocomplex Heteromer；Protein × 4 PDB declaration: tetrameric（4） Consistent with protein count
Chain I 22–130（109 aa）
Mutation：L43P, W82R, G99D F100P A101P S102P A103L No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；295 K；0.2M ammonium citrate, 20% PEG 3350, 3% trimethyl amine N-oxide dihydrate, VAPOR DIFFUSION, SITTING DROP, temperature 295K
Resolution 2.95 Å R-free 0.275
3E3Q Structure of the 3alpham13 high-affinity mutant of the 2C TCR in complex with Ld/QL9 Deposited 2008-08-07 Assembly 5 Protein heterocomplex Heteromer；Protein × 4 PDB declaration: tetrameric（4） Consistent with protein count
Chain M 22–130（109 aa）
Mutation：L43P, W82R, G99D F100P A101P S102P A103L No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；295 K；0.2M ammonium citrate, 20% PEG 3350, 3% trimethyl amine N-oxide dihydrate, VAPOR DIFFUSION, SITTING DROP, temperature 295K
Resolution 2.95 Å R-free 0.275
3E3Q Structure of the 3alpham13 high-affinity mutant of the 2C TCR in complex with Ld/QL9 Deposited 2008-08-07 Assembly 6 Protein heterocomplex Heteromer；Protein × 4 PDB declaration: tetrameric（4） Consistent with protein count
Chain R 22–130（109 aa）
Mutation：L43P, W82R, G99D F100P A101P S102P A103L No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；295 K；0.2M ammonium citrate, 20% PEG 3350, 3% trimethyl amine N-oxide dihydrate, VAPOR DIFFUSION, SITTING DROP, temperature 295K
Resolution 2.95 Å R-free 0.275
3E3Q Structure of the 3alpham13 high-affinity mutant of the 2C TCR in complex with Ld/QL9 Deposited 2008-08-07 Assembly 7 Protein heterocomplex Heteromer；Protein × 4 PDB declaration: tetrameric（4） Consistent with protein count
Chain V 22–130（109 aa）
Mutation：L43P, W82R, G99D F100P A101P S102P A103L No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；295 K；0.2M ammonium citrate, 20% PEG 3350, 3% trimethyl amine N-oxide dihydrate, VAPOR DIFFUSION, SITTING DROP, temperature 295K
Resolution 2.95 Å R-free 0.275
3E3Q Structure of the 3alpham13 high-affinity mutant of the 2C TCR in complex with Ld/QL9 Deposited 2008-08-07 Assembly 8 Protein heterocomplex Heteromer；Protein × 4 PDB declaration: tetrameric（4） Consistent with protein count
Chain Z 22–130（109 aa）
Mutation：L43P, W82R, G99D F100P A101P S102P A103L No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；295 K；0.2M ammonium citrate, 20% PEG 3350, 3% trimethyl amine N-oxide dihydrate, VAPOR DIFFUSION, SITTING DROP, temperature 295K
Resolution 2.95 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.