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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：P30443 New Search
8PDB entries
19Biological assembly
19chain/assembly records
Main Difference Dimensions in This Set
Different construct Different mutation/modification Different assembly state Different ligand/ion Different experimental method 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
1W72 Crystal structure of HLA-A1:MAGE-A1 in complex with Fab-Hyb3 Deposited 2004-08-27 Assembly 1 Protein heterocomplex Heteromer；Protein × 5 PDB declaration: pentameric（5） Consistent with protein count
Chain A 25–298（274 aa） Fragment：EXTRACELLULAR DOMAIN, RESIDUES 25-298
Not recorded GOL GLYCEROL × 2 X-RAY DIFFRACTION
X-ray crystallization conditions pH 6.5；MES PH 6.5, NACL 600MM, 19% PEG3350, 80MM DIOXANE
Resolution 2.15 Å R-free 0.248
1W72 Crystal structure of HLA-A1:MAGE-A1 in complex with Fab-Hyb3 Deposited 2004-08-27 Assembly 2 Protein heterocomplex Heteromer；Protein × 5 PDB declaration: pentameric（5） Consistent with protein count
Chain D 25–298（274 aa） Fragment：EXTRACELLULAR DOMAIN, RESIDUES 25-298
Not recorded GOL GLYCEROL × 2 X-RAY DIFFRACTION
X-ray crystallization conditions pH 6.5；MES PH 6.5, NACL 600MM, 19% PEG3350, 80MM DIOXANE
Resolution 2.15 Å R-free 0.248
3BO8 The High Resolution Crystal Structure of HLA-A1 Complexed with the MAGE-A1 Peptide Deposited 2007-12-17 Assembly 1 Protein heterocomplex Heteromer；Protein × 3 PDB declaration: trimeric（3） Consistent with protein count
Chain A 25–298（274 aa） Fragment：Ectodomain, Alpha-1, Alpha-2, Alpha-3, UNP Residues 25-298
Not recorded GOL GLYCEROL × 3 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 7.5；291 K；20% PEG 3350, 0.2M Sodium Fluoride, pH 7.5, VAPOR DIFFUSION, SITTING DROP, temperature 291K
Resolution 1.80 Å R-free 0.225
4NQV Crystal Structure of HLA A*0101 in complex with NP44, an 9-mer influenza epitope Deposited 2013-11-25 Assembly 1 Protein heterocomplex Heteromer；Protein × 3 PDB declaration: trimeric（3） Consistent with protein count
Chain A 25–298（274 aa） Fragment：UNP residues 25-298
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions EVAPORATION；pH 5.6；277 K；0.2M MgCl, 0.1M Na-citrate pH 5.6, 15-20% PEG 6K, EVAPORATION, temperature 277K
Resolution 2.39 Å R-free 0.291
4NQV Crystal Structure of HLA A*0101 in complex with NP44, an 9-mer influenza epitope Deposited 2013-11-25 Assembly 2 Protein heterocomplex Heteromer；Protein × 3 PDB declaration: trimeric（3） Consistent with protein count
Chain C 25–298（274 aa） Fragment：UNP residues 25-298
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions EVAPORATION；pH 5.6；277 K；0.2M MgCl, 0.1M Na-citrate pH 5.6, 15-20% PEG 6K, EVAPORATION, temperature 277K
Resolution 2.39 Å R-free 0.291
4NQV Crystal Structure of HLA A*0101 in complex with NP44, an 9-mer influenza epitope Deposited 2013-11-25 Assembly 3 Protein heterocomplex Heteromer；Protein × 3 PDB declaration: trimeric（3） Consistent with protein count
Chain E 25–298（274 aa） Fragment：UNP residues 25-298
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions EVAPORATION；pH 5.6；277 K；0.2M MgCl, 0.1M Na-citrate pH 5.6, 15-20% PEG 6K, EVAPORATION, temperature 277K
Resolution 2.39 Å R-free 0.291
4NQV Crystal Structure of HLA A*0101 in complex with NP44, an 9-mer influenza epitope Deposited 2013-11-25 Assembly 4 Protein heterocomplex Heteromer；Protein × 3 PDB declaration: trimeric（3） Consistent with protein count
Chain G 25–298（274 aa） Fragment：UNP residues 25-298
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions EVAPORATION；pH 5.6；277 K；0.2M MgCl, 0.1M Na-citrate pH 5.6, 15-20% PEG 6K, EVAPORATION, temperature 277K
Resolution 2.39 Å R-free 0.291
4NQV Crystal Structure of HLA A*0101 in complex with NP44, an 9-mer influenza epitope Deposited 2013-11-25 Assembly 5 Protein heterocomplex Heteromer；Protein × 3 PDB declaration: trimeric（3） Consistent with protein count
Chain I 25–298（274 aa） Fragment：UNP residues 25-298
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions EVAPORATION；pH 5.6；277 K；0.2M MgCl, 0.1M Na-citrate pH 5.6, 15-20% PEG 6K, EVAPORATION, temperature 277K
Resolution 2.39 Å R-free 0.291
4NQV Crystal Structure of HLA A*0101 in complex with NP44, an 9-mer influenza epitope Deposited 2013-11-25 Assembly 6 Protein heterocomplex Heteromer；Protein × 3 PDB declaration: trimeric（3） Consistent with protein count
Chain K 25–298（274 aa） Fragment：UNP residues 25-298
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions EVAPORATION；pH 5.6；277 K；0.2M MgCl, 0.1M Na-citrate pH 5.6, 15-20% PEG 6K, EVAPORATION, temperature 277K
Resolution 2.39 Å R-free 0.291
4NQX Crystal Structure of HLA A*0101 in complex with NP44-S7N, an 9-mer influenza epitope Deposited 2013-11-26 Assembly 1 Protein heterocomplex Heteromer；Protein × 3 PDB declaration: trimeric（3） Consistent with protein count
Chain A 25–308（284 aa） Fragment：UNP residues 25-308
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions EVAPORATION；pH 5.6；277 K；0.2M MgCl, 0.1M Na-citrate pH 5.6, 15-20% PEG 6K, EVAPORATION, temperature 277K
Resolution 2.00 Å R-free 0.283
4NQX Crystal Structure of HLA A*0101 in complex with NP44-S7N, an 9-mer influenza epitope Deposited 2013-11-26 Assembly 2 Protein heterocomplex Heteromer；Protein × 3 PDB declaration: trimeric（3） Consistent with protein count
Chain C 25–308（284 aa） Fragment：UNP residues 25-308
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions EVAPORATION；pH 5.6；277 K；0.2M MgCl, 0.1M Na-citrate pH 5.6, 15-20% PEG 6K, EVAPORATION, temperature 277K
Resolution 2.00 Å R-free 0.283
4NQX Crystal Structure of HLA A*0101 in complex with NP44-S7N, an 9-mer influenza epitope Deposited 2013-11-26 Assembly 3 Protein heterocomplex Heteromer；Protein × 3 PDB declaration: trimeric（3） Consistent with protein count
Chain E 25–308（284 aa） Fragment：UNP residues 25-308
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions EVAPORATION；pH 5.6；277 K；0.2M MgCl, 0.1M Na-citrate pH 5.6, 15-20% PEG 6K, EVAPORATION, temperature 277K
Resolution 2.00 Å R-free 0.283
4NQX Crystal Structure of HLA A*0101 in complex with NP44-S7N, an 9-mer influenza epitope Deposited 2013-11-26 Assembly 4 Protein heterocomplex Heteromer；Protein × 3 PDB declaration: trimeric（3） Consistent with protein count
Chain G 25–308（284 aa） Fragment：UNP residues 25-308
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions EVAPORATION；pH 5.6；277 K；0.2M MgCl, 0.1M Na-citrate pH 5.6, 15-20% PEG 6K, EVAPORATION, temperature 277K
Resolution 2.00 Å R-free 0.283
4NQX Crystal Structure of HLA A*0101 in complex with NP44-S7N, an 9-mer influenza epitope Deposited 2013-11-26 Assembly 5 Protein heterocomplex Heteromer；Protein × 3 PDB declaration: trimeric（3） Consistent with protein count
Chain I 25–308（284 aa） Fragment：UNP residues 25-308
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions EVAPORATION；pH 5.6；277 K；0.2M MgCl, 0.1M Na-citrate pH 5.6, 15-20% PEG 6K, EVAPORATION, temperature 277K
Resolution 2.00 Å R-free 0.283
4NQX Crystal Structure of HLA A*0101 in complex with NP44-S7N, an 9-mer influenza epitope Deposited 2013-11-26 Assembly 6 Protein heterocomplex Heteromer；Protein × 3 PDB declaration: trimeric（3） Consistent with protein count
Chain K 25–308（284 aa） Fragment：UNP residues 25-308
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions EVAPORATION；pH 5.6；277 K；0.2M MgCl, 0.1M Na-citrate pH 5.6, 15-20% PEG 6K, EVAPORATION, temperature 277K
Resolution 2.00 Å R-free 0.283
5BRZ MAGE-A3 reactive TCR in complex with MAGE-A3 in HLA-A1 Deposited 2015-06-01 Assembly 1 Insufficient information Heteromer；Protein × 5 PDB declaration: pentameric（5） Consistent with protein count
Chain A 25–298（274 aa）
Not recorded SO4 SULFATE ION × 7 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；291 K；0.2M ammonium chloride, 0.1M HEPES pH7, 15% PEG 8000
Resolution 2.62 Å R-free 0.268
5BS0 MAGE-A3 Reactive TCR in complex with Titin Epitope in HLA-A1 Deposited 2015-06-01 Assembly 1 Insufficient information Heteromer；Protein × 5 PDB declaration: pentameric（5） Consistent with protein count
Chain A 25–298（274 aa）
Not recorded GOL GLYCEROL × 1 SO4 SULFATE ION × 11 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 7；291 K；0.2M Ammonium Chloride, 0.1M MES, 20% PEG 4000
Resolution 2.40 Å R-free 0.262
6AT9 Crystal structure of an anaplastic lymphoma kinase-derived neuroblastoma tumor antigen bound to the Human Major Histocompatibility Complex Class I molecule HLA-A*0101 Deposited 2017-08-28 Assembly 1 Protein heterocomplex Heteromer；Protein × 3 PDB declaration: trimeric（3） Consistent with protein count
Chain A 25–304（280 aa）
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；295 K；0.18M MgCl2, 0.1M Na-HEPES(7.5),27%PEG400, 10%Glycerol
Resolution 2.95 Å R-free 0.307
6MPP HLA-A*01:01 complex with NRAS Q61K peptide by NMR Deposited 2018-10-08 Assembly 1 Protein heterocomplex Heteromer；Protein × 3 PDB declaration: trimeric（3） Consistent with protein count
Chain A 25–303（279 aa） Fragment：residues 25-303
Not recorded No recorded non-water small molecule SOLUTION NMR
NMR measurement conditions pH 7.2；298 K；Ionic strength (raw mmCIF value) 20；Pressure 1
NMR sample composition 300 uM [U-99% 13C; U-99% 15N] MHC-I HLA-A01:01, 300 uM NRAS Q16K, 300 uM Hb2M, 90% H2O/10% D2O | 90% H2O/10% D2O
NMR sample composition 180 uM [U-15N; U-2H]; [U-15N; U-2H; Methyl-1H; Methyl-13C]-Ala, Ile, Leu & Val MHC-I HLA-A01:01, 180 uM NRAS Q16K, 180 uM Hb2M, 90% H2O/10% D2O | 90% H2O/10% D2O
NMR sample composition 210 uM [U-15N; U-2H]; [U-15N; U-2H; Methyl-1H; Methyl-13C]-Ala, Ile, Leu & Val; [U-13C; U-15N]-Phe & Tyr MHC-I HLA-A01:01, 210 uM [U-15N] NRAS Q16K, 210 uM [U-2H] Hb2M, 90% H2O/10% D2O | 90% H2O/10% D2O
NMR sample composition 170 uM [U-15N; U-2H]; [U-15N; U-2H; Methyl-1H; Methyl-13C]-Ala, Ile, Leu & Val MHC-I HLA-A01:01, 170 uM NRAS Q16K, 170 uM Hb2M, 100% D2O | 100% D2O
Resolution not provided

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.