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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：A2NTY6 New Search
16PDB entries
27Biological assembly
27chain/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
2E7L Structure of a high-affinity mutant of the 2C TCR in complex with Ld/QL9 Deposited 2007-01-11 Assembly 1 Protein heterocomplex Heteromer；Protein × 4 PDB declaration: tetrameric（4） Consistent with protein count
Chain D 30–144（115 aa） Fragment：UNP RESIDUES 30-144
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 8.5；298 K；0.2M ammonium phosphate, 20% PEG 3350, 0.1M Tris, pH 8.5, VAPOR DIFFUSION, SITTING DROP, temperature 298K
Resolution 2.50 Å R-free 0.246
2E7L Structure of a high-affinity mutant of the 2C TCR in complex with Ld/QL9 Deposited 2007-01-11 Assembly 2 Protein heterocomplex Heteromer；Protein × 4 PDB declaration: tetrameric（4） Consistent with protein count
Chain C 30–144（115 aa） Fragment：UNP RESIDUES 30-144
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 8.5；298 K；0.2M ammonium phosphate, 20% PEG 3350, 0.1M Tris, pH 8.5, VAPOR DIFFUSION, SITTING DROP, temperature 298K
Resolution 2.50 Å R-free 0.246
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 C 30–144（115 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
2PXY Crystal structures of immune receptor complexes Deposited 2007-05-14 Assembly 1 Protein heterocomplex Heteromer；Protein × 5 PDB declaration: pentameric（5） Consistent with protein count
Chain B 32–144（113 aa）
Mutation：G17E,H47Y,I75T,L78S No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 7；295 K；0.2M Potassium sodium tartrate tetrahydrate, 0.1M succinic acid (pH7.0), 16% polyethylene glycol 3350, VAPOR DIFFUSION, SITTING DROP, temperature 295K
Resolution 2.23 Å R-free 0.253
2Z31 Crystal structure of immune receptor complex Deposited 2007-05-30 Assembly 1 Protein heterocomplex Heteromer；Protein × 5 PDB declaration: pentameric（5） Consistent with protein count
Chain B 32–144（113 aa）
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 7；295 K；0.2M patassium sodium tartrate tetrahydrate, 0.1M succinic acid, 16% polyethylene glycol 3350, pH 7.0, VAPOR DIFFUSION, SITTING DROP, temperature 295K
Resolution 2.70 Å R-free 0.287
2Z35 Crystal structure of immune receptor Deposited 2007-06-01 Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain B 32–144（113 aa）
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 7.5；295 K；0.8M mono-sodium dihydrogen phosphate, 0.8M mono-potassium dihydrogen phosphate and 0.1M HEPES, pH 7.5, VAPOR DIFFUSION, SITTING DROP, temperature 295K
Resolution 2.20 Å R-free 0.285
3MC0 Crystal Structure of Staphylococcal Enterotoxin G (SEG) in Complex with a Mouse T-cell Receptor beta Chain Deposited 2010-03-26 Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain A 31–144（114 aa） Fragment：unp residues 31-144
Not recorded ACT ACETATE ION × 4 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 6.5；298 K；sodium acetate 1.4 M protein concentration 7.5 mg/ml, pH 6.5, VAPOR DIFFUSION, HANGING DROP, temperature 298K
Resolution 2.00 Å R-free 0.211
3MC0 Crystal Structure of Staphylococcal Enterotoxin G (SEG) in Complex with a Mouse T-cell Receptor beta Chain Deposited 2010-03-26 Assembly 2 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain C 31–144（114 aa） Fragment：unp residues 31-144
Not recorded ACT ACETATE ION × 4 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 6.5；298 K；sodium acetate 1.4 M protein concentration 7.5 mg/ml, pH 6.5, VAPOR DIFFUSION, HANGING DROP, temperature 298K
Resolution 2.00 Å R-free 0.211
3OWE Crystal Structure of Staphylococcal Enterotoxin G (SEG) in Complex with a High Affinity Mutant Mouse T-cell Receptor Chain Deposited 2010-09-17 Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain A 29–144（116 aa） Fragment：VARIABLE DOMAIN
Mutation：G17E, A52V, S54N, K66E, Q72H, E80V, L81S, T87S, G96V No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 6.5；298 K；0.2 M sodium citrate, 30% iso-propanol and 0.1 M sodium cacodylate, Protein concentration: 3.25 mg/ml in the drop, VAPOR DIFFUSION, HANGING DROP, temperature 298K, pH 6.5
Resolution 2.60 Å R-free 0.261
3OWE Crystal Structure of Staphylococcal Enterotoxin G (SEG) in Complex with a High Affinity Mutant Mouse T-cell Receptor Chain Deposited 2010-09-17 Assembly 2 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain C 29–144（116 aa） Fragment：VARIABLE DOMAIN
Mutation：G17E, A52V, S54N, K66E, Q72H, E80V, L81S, T87S, G96V No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 6.5；298 K；0.2 M sodium citrate, 30% iso-propanol and 0.1 M sodium cacodylate, Protein concentration: 3.25 mg/ml in the drop, VAPOR DIFFUSION, HANGING DROP, temperature 298K, pH 6.5
Resolution 2.60 Å R-free 0.261
3OWE Crystal Structure of Staphylococcal Enterotoxin G (SEG) in Complex with a High Affinity Mutant Mouse T-cell Receptor Chain Deposited 2010-09-17 Assembly 3 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain E 29–144（116 aa） Fragment：VARIABLE DOMAIN
Mutation：G17E, A52V, S54N, K66E, Q72H, E80V, L81S, T87S, G96V No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 6.5；298 K；0.2 M sodium citrate, 30% iso-propanol and 0.1 M sodium cacodylate, Protein concentration: 3.25 mg/ml in the drop, VAPOR DIFFUSION, HANGING DROP, temperature 298K, pH 6.5
Resolution 2.60 Å R-free 0.261
3OWE Crystal Structure of Staphylococcal Enterotoxin G (SEG) in Complex with a High Affinity Mutant Mouse T-cell Receptor Chain Deposited 2010-09-17 Assembly 4 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain G 29–144（116 aa） Fragment：VARIABLE DOMAIN
Mutation：G17E, A52V, S54N, K66E, Q72H, E80V, L81S, T87S, G96V No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 6.5；298 K；0.2 M sodium citrate, 30% iso-propanol and 0.1 M sodium cacodylate, Protein concentration: 3.25 mg/ml in the drop, VAPOR DIFFUSION, HANGING DROP, temperature 298K, pH 6.5
Resolution 2.60 Å R-free 0.261
3OWE Crystal Structure of Staphylococcal Enterotoxin G (SEG) in Complex with a High Affinity Mutant Mouse T-cell Receptor Chain Deposited 2010-09-17 Assembly 5 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain I 29–144（116 aa） Fragment：VARIABLE DOMAIN
Mutation：G17E, A52V, S54N, K66E, Q72H, E80V, L81S, T87S, G96V No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 6.5；298 K；0.2 M sodium citrate, 30% iso-propanol and 0.1 M sodium cacodylate, Protein concentration: 3.25 mg/ml in the drop, VAPOR DIFFUSION, HANGING DROP, temperature 298K, pH 6.5
Resolution 2.60 Å R-free 0.261
3OWE Crystal Structure of Staphylococcal Enterotoxin G (SEG) in Complex with a High Affinity Mutant Mouse T-cell Receptor Chain Deposited 2010-09-17 Assembly 6 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain K 29–144（116 aa） Fragment：VARIABLE DOMAIN
Mutation：G17E, A52V, S54N, K66E, Q72H, E80V, L81S, T87S, G96V No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 6.5；298 K；0.2 M sodium citrate, 30% iso-propanol and 0.1 M sodium cacodylate, Protein concentration: 3.25 mg/ml in the drop, VAPOR DIFFUSION, HANGING DROP, temperature 298K, pH 6.5
Resolution 2.60 Å R-free 0.261
3OWE Crystal Structure of Staphylococcal Enterotoxin G (SEG) in Complex with a High Affinity Mutant Mouse T-cell Receptor Chain Deposited 2010-09-17 Assembly 7 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain M 29–144（116 aa） Fragment：VARIABLE DOMAIN
Mutation：G17E, A52V, S54N, K66E, Q72H, E80V, L81S, T87S, G96V No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 6.5；298 K；0.2 M sodium citrate, 30% iso-propanol and 0.1 M sodium cacodylate, Protein concentration: 3.25 mg/ml in the drop, VAPOR DIFFUSION, HANGING DROP, temperature 298K, pH 6.5
Resolution 2.60 Å R-free 0.261
3OWE Crystal Structure of Staphylococcal Enterotoxin G (SEG) in Complex with a High Affinity Mutant Mouse T-cell Receptor Chain Deposited 2010-09-17 Assembly 8 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain O 29–144（116 aa） Fragment：VARIABLE DOMAIN
Mutation：G17E, A52V, S54N, K66E, Q72H, E80V, L81S, T87S, G96V No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 6.5；298 K；0.2 M sodium citrate, 30% iso-propanol and 0.1 M sodium cacodylate, Protein concentration: 3.25 mg/ml in the drop, VAPOR DIFFUSION, HANGING DROP, temperature 298K, pH 6.5
Resolution 2.60 Å R-free 0.261
6MIV Crystal structure of the mCD1d/xxq (JJ300)/iNKTCR ternary complex Deposited 2018-09-20 Assembly 1 Insufficient information Heteromer；Protein × 4 PDB declaration: tetrameric（4） Consistent with protein count
Chain D 29–123（95 aa）
Not recorded NA SODIUM ION × 3 GOL GLYCEROL × 4 NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 1 JU1 N-[(2S,3S,4R)-1-({4-O-[(4-tert-butylphenyl)methyl]-alpha-D-galactopyranosyl}oxy)-3,4-dihydroxyoctadecan-2-yl]hexacosanamide × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 4；295 K；0.1 m sodium malonate pH 4.0, 12% PEG 3350
Resolution 2.05 Å R-free 0.219
6MIY Crystal structure of the mCD1d/xxa (JJ239)/iNKTCR ternary complex Deposited 2018-09-20 Assembly 1 Insufficient information Heteromer；Protein × 4 PDB declaration: tetrameric（4） Consistent with protein count
Chain D 29–123（95 aa）
Not recorded NA SODIUM ION × 2 CL CHLORIDE ION × 1 JTV N-{(2S,3S,4R)-1-[(4-O-benzyl-alpha-D-galactopyranosyl)oxy]-3,4-dihydroxyoctadecan-2-yl}hexacosanamide × 1 GOL GLYCEROL × 2 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；295 K；0.2 m ammonium tartrate dibasic, 20% PEG 4000
Resolution 2.75 Å R-free 0.247
6MIY Crystal structure of the mCD1d/xxa (JJ239)/iNKTCR ternary complex Deposited 2018-09-20 Assembly 2 Insufficient information Heteromer；Protein × 4 PDB declaration: tetrameric（4） Consistent with protein count
Chain H 29–123（95 aa）
Not recorded NA SODIUM ION × 2 JTV N-{(2S,3S,4R)-1-[(4-O-benzyl-alpha-D-galactopyranosyl)oxy]-3,4-dihydroxyoctadecan-2-yl}hexacosanamide × 1 GOL GLYCEROL × 2 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；295 K；0.2 m ammonium tartrate dibasic, 20% PEG 4000
Resolution 2.75 Å R-free 0.247
6MJ4 Crystal structure of MCD1D/INKTCR TERNARY COMPLEX bound to glycolipid (XXW) Deposited 2018-09-20 Assembly 1 Insufficient information Heteromer；Protein × 4 PDB declaration: tetrameric（4） Consistent with protein count
Chain D 29–123（95 aa）
Not recorded GOL GLYCEROL × 6 NA SODIUM ION × 1 NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 1 JTG N-[(2S,3S,4R)-3,4-dihydroxy-1-{[4-O-(prop-2-en-1-yl)-alpha-D-galactopyranosyl]oxy}octadecan-2-yl]hexacosanamide × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；295 K；0.1 m sodium malonate pH 4.0, 12% PEG 3350
Resolution 2.00 Å R-free 0.214
6MJ6 Crystal structure of the mCD1d/xxx (JJ166) /iNKTCR ternary complex Deposited 2018-09-20 Assembly 1 Insufficient information Heteromer；Protein × 4 PDB declaration: tetrameric（4） Consistent with protein count
Chain D 29–123（95 aa）
Not recorded GOL GLYCEROL × 7 NA SODIUM ION × 3 NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 1 JTM N-[(2S,3S,4R)-1-({4-O-[(4-chlorophenyl)methyl]-alpha-D-galactopyranosyl}oxy)-3,4-dihydroxyoctadecan-2-yl]hexacosanamide × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；295 K；0.1 m sodium malonate pH 4.0, 12% PEG 3350
Resolution 2.45 Å R-free 0.234
6MJA Crystal structure of the mCD1d/xxo (JJ294) /iNKTCR ternary complex Deposited 2018-09-20 Assembly 1 Insufficient information Heteromer；Protein × 4 PDB declaration: tetrameric（4） Consistent with protein count
Chain D 29–123（95 aa）
Not recorded NA SODIUM ION × 2 GOL GLYCEROL × 3 NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 1 JTJ N-[(2S,3S,4R)-3,4-dihydroxy-1-({4-O-[(4-methylphenyl)methyl]-alpha-D-galactopyranosyl}oxy)octadecan-2-yl]hexacosanamide × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；295 K；0.2 m ammonium tartrate dibasic, 20% PEG 4000
Resolution 2.35 Å R-free 0.237
6MJI Crystal structure of the mCD1d/xxs (JJ304) /iNKTCR ternary complex Deposited 2018-09-20 Assembly 1 Insufficient information Heteromer；Protein × 4 PDB declaration: tetrameric（4） Consistent with protein count
Chain D 29–123（95 aa）
Not recorded NA SODIUM ION × 2 GOL GLYCEROL × 6 NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 1 JTD N-[(2S,3S,4R)-1-{[4-O-(cyclopropylmethyl)-alpha-D-galactopyranosyl]oxy}-3,4-dihydroxyoctadecan-2-yl]hexacosanamide × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；295 K；0.1 m sodium malonate pH 4.0, 12% PEG 3350
Resolution 2.30 Å R-free 0.227
6MJJ Crystal structure of the mCD1d/xxm (JJ290) /iNKTCR ternary complex Deposited 2018-09-21 Assembly 1 Insufficient information Heteromer；Protein × 4 PDB declaration: tetrameric（4） Consistent with protein count
Chain D 29–123（95 aa）
Not recorded GOL GLYCEROL × 10 NA SODIUM ION × 9 NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 1 JU4 N-[(2S,3S,4R)-1-({4-O-[(3,4-dichlorophenyl)methyl]-alpha-D-galactopyranosyl}oxy)-3,4-dihydroxyoctadecan-2-yl]hexacosanamide × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；295 K；0.1 m sodium malonate pH 4.0, 12% PEG 3350
Resolution 1.93 Å R-free 0.216
6MJQ Crystal structure of the mCD1d/xxp (JJ295) /iNKTCR ternary complex Deposited 2018-09-21 Assembly 1 Insufficient information Heteromer；Protein × 4 PDB declaration: tetrameric（4） Consistent with protein count
Chain D 29–123（95 aa）
Not recorded GOL GLYCEROL × 1 NA SODIUM ION × 1 NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 1 JUD N-{(2S,3S,4R)-3,4-dihydroxy-1-[(4-O-{[4-(trifluoromethyl)phenyl]methyl}-alpha-D-galactopyranosyl)oxy]octadecan-2-yl}hexacosanamide × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；295 K；0.1 m sodium malonate pH 4.0, 12% PEG 3350
Resolution 3.00 Å R-free 0.258
6MJQ Crystal structure of the mCD1d/xxp (JJ295) /iNKTCR ternary complex Deposited 2018-09-21 Assembly 2 Insufficient information Heteromer；Protein × 4 PDB declaration: tetrameric（4） Consistent with protein count
Chain H 29–123（95 aa）
Not recorded GOL GLYCEROL × 2 NA SODIUM ION × 2 JUD N-{(2S,3S,4R)-3,4-dihydroxy-1-[(4-O-{[4-(trifluoromethyl)phenyl]methyl}-alpha-D-galactopyranosyl)oxy]octadecan-2-yl}hexacosanamide × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；295 K；0.1 m sodium malonate pH 4.0, 12% PEG 3350
Resolution 3.00 Å R-free 0.258
8T4Z T-cell receptor and lipid complex structure Deposited 2023-06-12 Assembly 1 Insufficient information Heteromer；Protein × 4 PDB declaration: tetrameric（4） Consistent with protein count
Chain D 29–123（95 aa）
Not recorded Y73 N-[(2R,3R,4E)-1,3-dihydroxyoctadec-4-en-2-yl]tetracosanamide × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 5；277 K；18-20% PEG3350, 8% Tacsimate pH 5.0
Resolution 2.69 Å R-free 0.265

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.