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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：P03211 New Search
22PDB entries
23Biological assembly
68chain/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
1VHI EPSTEIN BARR VIRUS NUCLEAR ANTIGEN-1 DNA-BINDING DOMAIN, RESIDUES 470-607 Deposited 1996-10-05 Assembly 1 Protein homooligomer Homooligomer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain A 466–607（142 aa） Fragment：DNA-BINDING AND DIMERIZATION DOMAIN RESIDUES 470 - 607
Chain B 466–607（142 aa） Fragment：DNA-BINDING AND DIMERIZATION DOMAIN RESIDUES 470 - 607
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 6；HANGING DROP VAPOR DIFFUSION, 50 MM MES PH 6.0 AND 100 MM NACL. SEE REFERENCE 1 FOR MORE DETAILS., vapor diffusion - hanging drop
Resolution 2.50 Å
2FYY The role of T cell receptor alpha genes in directing human MHC restriction Deposited 2006-02-08 Assembly 1 Protein heterocomplex Heteromer；Protein × 3 PDB declaration: trimeric（3） Consistent with protein count
Chain C 407–417（11 aa）
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7.6；277 K；17% PEG 3350, 100mM cacodylate, 200mM ammonium acetate, pH 7.6, VAPOR DIFFUSION, HANGING DROP, temperature 277K
Resolution 1.50 Å R-free 0.236
2FZ3 The role of T cell receptor alpha genes in directing human MHC restriction Deposited 2006-02-09 Assembly 1 Protein heterocomplex Heteromer；Protein × 3 PDB declaration: trimeric（3） Consistent with protein count
Chain C 407–417（11 aa）
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7.6；277 K；17% PEG 3350, 100mM cacodylate, 200mM ammonium acetate, pH 7.6, VAPOR DIFFUSION, HANGING DROP, temperature 277K
Resolution 1.90 Å R-free 0.275
3MV7 Crystal Structure of the TK3 TCR in complex with HLA-B*3501/HPVG Deposited 2010-05-03 Assembly 1 Protein heterocomplex Heteromer；Protein × 5 PDB declaration: pentameric（5） Consistent with protein count
Chain C 407–417（11 aa）
Not recorded SO4 SULFATE ION × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 5.6；277 K；15%PEG 3350, 0.2M LiSO4, 0.1M Na-citrate, pH 5.6, vapor diffusion, hanging drop, temperature 277K
Resolution 2.00 Å R-free 0.286
3MV8 Crystal Structure of the TK3-Gln55His TCR in complex with HLA-B*3501/HPVG Deposited 2010-05-03 Assembly 1 Protein heterocomplex Heteromer；Protein × 5 PDB declaration: pentameric（5） Consistent with protein count
Chain C 407–417（11 aa）
Not recorded SO4 SULFATE ION × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 5.6；277 K；15%PEG 3350, 0.2M LiSO4, 0.1M Na-citrate, pH 5.6, vapor diffusion, hanging drop, temperature 277K
Resolution 2.10 Å R-free 0.276
3MV9 Crystal Structure of the TK3-Gln55Ala TCR in complex with HLA-B*3501/HPVG Deposited 2010-05-03 Assembly 1 Protein heterocomplex Heteromer；Protein × 5 PDB declaration: pentameric（5） Consistent with protein count
Chain C 407–417（11 aa）
Not recorded SO4 SULFATE ION × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 5.6；277 K；15%PEG 3350, 0.2M LiSO4, 0.1M Na-citrate, pH 5.6, vapor diffusion, hanging drop, temperature 277K
Resolution 2.70 Å R-free 0.331
4PRA Crystal structure of a HLA-B*35:01-HPVG-Q5 Deposited 2014-03-05 Assembly 1 Protein heterocomplex Heteromer；Protein × 3 PDB declaration: trimeric（3） Consistent with protein count
Chain C 407–417（11 aa） Fragment：unp residues 407-417
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION；pH 5.6；298 K；16% PEG 4000, 0.2M ammonium acetate and 0.1M Na-Citrate, pH 5.6, VAPOR DIFFUSION, temperature 298K
Resolution 1.85 Å R-free 0.225
4PRE Crystal structure of a HLA-B*35:08-HPVG-Q5 Deposited 2014-03-05 Assembly 1 Protein heterocomplex Heteromer；Protein × 3 PDB declaration: trimeric（3） Consistent with protein count
Chain C 407–417（11 aa） Fragment：unp residues 407-417
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION；pH 5.6；298 K；16% PEG 4000, 0.2M ammonium acetate and 0.1M Na-Citrate, pH 5.6, VAPOR DIFFUSION, temperature 298K
Resolution 1.65 Å R-free 0.202
4PRI Crystal structure of TK3 TCR-HLA-B*35:08-HPVG complex Deposited 2014-03-05 Assembly 1 Protein heterocomplex Heteromer；Protein × 5 PDB declaration: pentameric（5） Consistent with protein count
Chain C 407–417（11 aa）
Not recorded CL CHLORIDE ION × 2 NA SODIUM ION × 3 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION；pH 5.6；298 K；18% PEG 3350, 0.2M LiSO4 and 0.1M Na-Citrate pH 5.6, vapor diffusion, temperature 298K
Resolution 2.40 Å R-free 0.261
4PRP Crystal structure of TK3 TCR-HLA-B*35:01-HPVG-Q5 complex Deposited 2014-03-06 Assembly 1 Protein heterocomplex Heteromer；Protein × 5 PDB declaration: pentameric（5） Consistent with protein count
Chain C 407–417（11 aa）
Not recorded SO4 SULFATE ION × 3 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION；pH 5.6；298 K；18% PEG 3350, 0.2M LiSO4 and 0.1M Na-Citrate, pH 5.6, VAPOR DIFFUSION, temperature 298K
Resolution 2.50 Å R-free 0.229
5WMF Crystal structure of the Hexameric Ring of Epstein-Barr Virus Nuclear Antigen-1, EBNA1 Deposited 2017-07-28 Assembly 1 Protein homooligomer Homooligomer；Protein × 6 PDB declaration: hexameric（6） Consistent with protein count
Chain A 470–619（150 aa）
Chain B 470–619（150 aa）
Chain C 470–619（150 aa）
Chain D 470–619（150 aa）
Chain E 470–619（150 aa）
Chain F 470–619（150 aa）
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 6.5；298 K；Concentrated EBNA1 was diluted 1:1 in a solution containing 50 mM morpholineethanesulfonic acid (MES) (pH 6.5) and 800 mM sodium formate.
Resolution 1.90 Å R-free 0.276
5WUM Crystal structure of mouse importin-alpha1 bound to S385-phosphorylated NLS of EBNA1 Deposited 2016-12-19 Assembly 1 Protein heterocomplex Heteromer；Protein × 3 PDB declaration: trimeric（3） Consistent with protein count
Chain B 378–386（9 aa） Fragment：UNP RESIDUES 378-386
Chain C 378–386（9 aa） Fragment：UNP RESIDUES 378-386
Non-standard monomer：Yes (specific site not provided by mmCIF) Non-standard monomer：Yes (specific site not provided by mmCIF) No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 6.5；293 K；MES, sodium citrate, DTT
Resolution 2.00 Å R-free 0.211
5WUN Crystal structure of mouse importin-alpha1 bound to non-phosphorylated NLS of EBNA1 Deposited 2016-12-19 Assembly 1 Protein heterocomplex Heteromer；Protein × 3 PDB declaration: trimeric（3） Consistent with protein count
Chain B 378–386（9 aa） Fragment：UNP RESIDUES 378-386
Chain C 378–386（9 aa） Fragment：UNP RESIDUES 378-386
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 6.5；293 K；MES, sodium citrate, DTT
Resolution 2.20 Å R-free 0.204
6NPI Crystal structure of Epstein-Barr Virus Nuclear Antigen-1, EBNA1, bound to fragments Deposited 2019-01-17 Assembly 1 Protein homooligomer Homooligomer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain A 471–607（137 aa）
Chain B 471–607（137 aa）
Not recorded 60Q 2-pyrrol-1-ylbenzoic acid × 1 KW1 ({2-[(4-bromo-5-methyl-1,2-oxazol-3-yl)amino]-2-oxoethyl}sulfanyl)acetic acid × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 6.5；298 K；50 mM MES, pH 6.5, and 0-100 mM NaCl, 10 mM DTT
Resolution 1.50 Å R-free 0.163
6NPM Crystal structure of Epstein-Barr Virus Nuclear Antigen-1, EBNA1, bound to fragments Deposited 2019-01-17 Assembly 1 Protein homooligomer Homooligomer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain A 471–607（137 aa）
Chain B 471–607（137 aa）
Not recorded KVD 5-(phenylethynyl)pyridine-3-carboxylic acid × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 6.5；298 K；50 mM MES pH 6.5, 0-100 mM NaCl, 10 mM DTT
Resolution 1.60 Å R-free 0.170
6NPP Crystal structure of Epstein-Barr Virus Nuclear Antigen-1, EBNA1, bound to fragments Deposited 2019-01-18 Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain A 471–607（137 aa）
Not recorded KWG 3-(phenylethynyl)-2-(1H-pyrrol-1-yl)benzoic acid × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 6.5；298 K；50 mM MES pH 6.5, 0-100 mM NaCl, 10 mM DTT
Resolution 1.35 Å R-free 0.184
6PW2 Structural Basis for Cooperative Binding of EBNA1 to the Epstein-Barr Virus Dyad Symmetry Minimal Origin of Replication Deposited 2019-07-22 Assembly 1 Protein–DNA Homooligomer；Protein × 4 PDB declaration: hexameric（6） Consistent with all polymers
Chain A 461–607（147 aa）
Chain B 461–607（147 aa）
Chain C 461–607（147 aa）
Chain D 461–607（147 aa）
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 6.75；298 K；200 mM sodium malonate, 24% PEG 3350
Resolution 3.01 Å R-free 0.277
6PW2 Structural Basis for Cooperative Binding of EBNA1 to the Epstein-Barr Virus Dyad Symmetry Minimal Origin of Replication Deposited 2019-07-22 Assembly 2 Protein–DNA Homooligomer；Protein × 4 PDB declaration: hexameric（6） Consistent with all polymers
Chain I 461–607（147 aa）
Chain J 461–607（147 aa）
Chain K 461–607（147 aa）
Chain L 461–607（147 aa）
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 6.75；298 K；200 mM sodium malonate, 24% PEG 3350
Resolution 3.01 Å R-free 0.277
6VH6 Crystal structure of Epstein-Barr Virus Nuclear Antigen-1, EBNA1, bound to fragment Deposited 2020-01-09 Assembly 1 Protein homooligomer Homooligomer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain A 470–607（138 aa）
Chain B 470–607（138 aa）
Not recorded QX4 4-hydroxy-6-methyl-2H-1-benzopyran-2-one × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 6.5；298 K；50 mM MES pH 6.5, 0-100 mM NaCl, 10 mM DTT
Resolution 1.30 Å R-free 0.161
7KE3 Heavy chain ferritin with C-terminal EBNA1 epitope Deposited 2020-10-10 Assembly 1 Insufficient information Homooligomer；Protein × 24 PDB declaration: 24-meric（24） Consistent with protein count
Chain A 407–417（11 aa）
Chain B 407–417（11 aa）
Chain C 407–417（11 aa）
Chain D 407–417（11 aa）
Chain E 407–417（11 aa）
Chain F 407–417（11 aa）
Chain G 407–417（11 aa）
Chain H 407–417（11 aa）
Chain I 407–417（11 aa）
Chain J 407–417（11 aa）
Chain K 407–417（11 aa）
Chain L 407–417（11 aa）
Not recorded TRS 2-AMINO-2-HYDROXYMETHYL-PROPANE-1,3-DIOL × 12 FE FE (III) ION × 40 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；289.15 K；0.1M HEPES pH 7.0, 30% Jeffamine M-600 pH 7.0
Resolution 2.20 Å R-free 0.271
7KE5 Heavy chain ferritin with N-terminal EBNA1 epitope Deposited 2020-10-10 Assembly 1 Insufficient information Homooligomer；Protein × 24 PDB declaration: 24-meric（24） Consistent with protein count
Chain A 407–417（11 aa）
Chain B 407–417（11 aa）
Chain C 407–417（11 aa）
Chain D 407–417（11 aa）
Chain E 407–417（11 aa）
Chain F 407–417（11 aa）
Chain G 407–417（11 aa）
Chain H 407–417（11 aa）
Chain I 407–417（11 aa）
Chain J 407–417（11 aa）
Chain K 407–417（11 aa）
Chain L 407–417（11 aa）
Not recorded TRS 2-AMINO-2-HYDROXYMETHYL-PROPANE-1,3-DIOL × 12 FE FE (III) ION × 32 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 7；289.15 K；0.1M ammonium citrate tribasic pH 7.0, 12% PEG 3350
Resolution 2.80 Å R-free 0.317
7U1T EBNA1 DNA binding domain (401-641) binds to half Dyad Symmetry element Deposited 2022-02-22 Assembly 1 Protein–DNA Homooligomer；Protein × 4 PDB declaration: hexameric（6） Consistent with all polymers
Chain A 438–615（178 aa） Fragment：DNA-binding domain (UNP residues 438-615)
Chain B 438–615（178 aa） Fragment：DNA-binding domain (UNP residues 438-615)
Chain C 438–615（178 aa） Fragment：DNA-binding domain (UNP residues 438-615)
Chain D 438–615（178 aa） Fragment：DNA-binding domain (UNP residues 438-615)
Not recorded No recorded non-water small molecule ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.30 Å
8DLF EBNA1 DNA binding domain (DBD) (458-617)+2 repeats of family repeat (FR) region Deposited 2022-07-07 Assembly 1 Protein–DNA Homooligomer；Protein × 4 PDB declaration: hexameric（6） Consistent with all polymers
Chain A 458–617（160 aa）
Chain B 458–617（160 aa）
Chain C 458–617（160 aa）
Chain D 458–617（160 aa）
Not recorded No recorded non-water small molecule ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.23 Å

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.