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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：P33120 New Search
24PDB entries
25Biological assembly
38chain/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
1BI0 STRUCTURE OF APO-AND HOLO-DIPHTHERIA TOXIN REPRESSOR Deposited 1998-06-21 Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain A 1–226（226 aa）
Non-standard monomer：Yes (specific site not provided by mmCIF) ZN ZINC ION × 1 SO4 SULFATE ION × 1 X-RAY DIFFRACTION
X-ray crystallization conditions pH 8.5；pH 8.5
Resolution 2.30 Å R-free 0.296
1BI1 STRUCTURE OF APO-AND HOLO-DIPHTHERIA TOXIN REPRESSOR Deposited 1998-06-21 Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain A 1–226（226 aa）
Non-standard monomer：Yes (specific site not provided by mmCIF) No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions pH 8.5；pH 8.5
Resolution 2.20 Å R-free 0.311
1BI2 STRUCTURE OF APO-AND HOLO-DIPHTHERIA TOXIN REPRESSOR Deposited 1998-06-21 Assembly 1 Protein homooligomer Homooligomer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain A 1–226（226 aa）
Chain B 1–226（226 aa）
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions pH 8.5；pH 8.5
Resolution 2.30 Å R-free 0.352
1BI3 STRUCTURE OF APO-AND HOLO-DIPHTHERIA TOXIN REPRESSOR Deposited 1998-06-21 Assembly 1 Protein homooligomer Homooligomer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain A 1–226（226 aa）
Chain B 1–226（226 aa）
Non-standard monomer：Yes (specific site not provided by mmCIF) Non-standard monomer：Yes (specific site not provided by mmCIF) ZN ZINC ION × 2 SO4 SULFATE ION × 2 X-RAY DIFFRACTION
X-ray crystallization conditions pH 8.5；pH 8.5
Resolution 2.40 Å R-free 0.333
1BYM SOLUTION STRUCTURES OF THE C-TERMINAL DOMAIN OF DIPHTHERIA TOXIN REPRESSOR Deposited 1998-10-17 Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain A 130–226（97 aa） Fragment：RESIDUES 130-226
Not recorded No recorded non-water small molecule SOLUTION NMR
NMR measurement conditions pH 6.5；303 K
Resolution not provided
1C0W CRYSTAL STRUCTURE OF THE COBALT-ACTIVATED DIPHTHERIA TOXIN REPRESSOR-DNA COMPLEX REVEALS A METAL BINDING SH-LIKE DOMAIN Deposited 1999-07-22 Assembly 1 Protein–DNA Homooligomer；Protein × 4 PDB declaration: hexameric（6） Consistent with all polymers
Chain A 2–226（225 aa）
Chain B 2–226（225 aa）
Chain C 2–226（225 aa）
Chain D 2–226（225 aa）
Not recorded CO COBALT (II) ION × 8 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；VAPOR DIFFUSION, HANGING DROP
Resolution 3.20 Å R-free 0.279
1DDN DIPHTHERIA TOX REPRESSOR (C102D MUTANT)/TOX DNA OPERATOR COMPLEX Deposited 1998-06-23 Assembly 1 Protein–DNA Homooligomer；Protein × 4 PDB declaration: hexameric（6） Consistent with all polymers
Chain A 1–226（226 aa）
Chain B 1–226（226 aa）
Chain C 1–226（226 aa）
Chain D 1–226（226 aa）
Mutation：C102D Mutation：C102D Mutation：C102D Mutation：C102D NI NICKEL (II) ION × 8 X-RAY DIFFRACTION mmCIF provides none of the parsed conditions Resolution 3.00 Å R-free 0.280
1DPR STRUCTURES OF THE APO-AND METAL ION ACTIVATED FORMS OF THE DIPHTHERIA TOX REPRESSOR FROM CORYNEBACTERIUM DIPHTHERIAE Deposited 1995-02-06 Assembly 1 Protein homooligomer Homooligomer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain A 1–226（226 aa）
Chain B 1–226（226 aa）
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION mmCIF provides none of the parsed conditions Resolution 3.00 Å R-free 0.417
1F5T DIPHTHERIA TOX REPRESSOR (C102D MUTANT) COMPLEXED WITH NICKEL AND DTXR CONSENSUS BINDING SEQUENCE Deposited 2000-06-15 Assembly 1 Protein–DNA Homooligomer；Protein × 4 PDB declaration: hexameric（6） Consistent with all polymers
Chain A 1–121（121 aa）
Chain B 1–121（121 aa）
Chain C 1–121（121 aa）
Chain D 1–121（121 aa）
Mutation：C102D Mutation：C102D Mutation：C102D Mutation：C102D NI NICKEL (II) ION × 8 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7.5；298 K；100 mM sodium cacodylate pH7.3, 10 mM MgCl2, 2 mM spermine, pH 7.5, VAPOR DIFFUSION, HANGING DROP, temperature 298K
Resolution 3.00 Å R-free 0.273
1FWZ GLU20ALA DTXR Deposited 2000-09-25 Assembly 1 Protein homooligomer Homooligomer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain A 1–226（226 aa）
Mutation：E20A Non-standard monomer：Yes (specific site not provided by mmCIF) SO4 SULFATE ION × 2 ZN ZINC ION × 2 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 8.5；298 K；1.6-2.0 ammonium sulfate, pH 8.5, VAPOR DIFFUSION, HANGING DROP, temperature 298K
Resolution 2.30 Å R-free 0.285
1G3S CYS102SER DTXR Deposited 2000-10-25 Assembly 1 Protein homooligomer Homooligomer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain A 1–226（226 aa）
Mutation：C102S No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION；pH 8.5；298 K；Ammonium sulfate, EDTA, glycerol, pH 8.5, VAPOR DIFFUSION, temperature 298K
Resolution 2.40 Å R-free 0.271
1G3T CYS102SER DTXR Deposited 2000-10-25 Assembly 1 Protein homooligomer Homooligomer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain A 1–226（226 aa）
Chain B 1–226（226 aa）
Mutation：C102S Mutation：C102S No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 8.5；298 K；Ammonium sulfate, glycerol, EDTA, pH 8.5, VAPOR DIFFUSION, HANGING DROP, temperature 298K
Resolution 2.35 Å R-free 0.318
1G3W CD-CYS102SER DTXR Deposited 2000-10-25 Assembly 1 Protein homooligomer Homooligomer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain A 1–226（226 aa）
Mutation：C102 CD CADMIUM ION × 2 SO4 SULFATE ION × 2 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 8.5；298 K；Ammonium sulfate, glycerol, CdCl2, pH 8.5, VAPOR DIFFUSION, HANGING DROP, temperature 298K
Resolution 2.40 Å R-free 0.259
1G3Y ARG80ALA DTXR Deposited 2000-10-25 Assembly 1 Protein homooligomer Homooligomer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain A 1–226（226 aa）
Mutation：R80A ZN ZINC ION × 2 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 8.5；293 K；Ammonium sulfate, Zn2+, pH 8.5, VAPOR DIFFUSION, HANGING DROP, temperature 293K
Resolution 2.80 Å R-free 0.328
1P92 Crystal Structure of (H79A)DtxR Deposited 2003-05-08 Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain A 1–226（226 aa）
Mutation：H79A BME BETA-MERCAPTOETHANOL × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 8；298 K；PEG 400, ammonium sulfate, pH 8.0, VAPOR DIFFUSION, HANGING DROP, temperature 298K
Resolution 2.10 Å R-free 0.280
1P92 Crystal Structure of (H79A)DtxR Deposited 2003-05-08 Assembly 2 Protein homooligomer Homooligomer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain A 1–226（226 aa）
Mutation：H79A BME BETA-MERCAPTOETHANOL × 2 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 8；298 K；PEG 400, ammonium sulfate, pH 8.0, VAPOR DIFFUSION, HANGING DROP, temperature 298K
Resolution 2.10 Å R-free 0.280
1QVP C terminal SH3-like domain from Diphtheria toxin Repressor residues 144-226. Deposited 2003-08-28 Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain A 144–226（83 aa） Fragment：Residues 144-226
Not recorded No recorded non-water small molecule SOLUTION NMR
NMR measurement conditions pH 6.5；303 K；Pressure ambient
NMR sample composition 1-2 mM DtxR144-226 U-15N; 10mM Potassium Phosphate buffer pH6.5 | 90% H2O/10% D2O
NMR sample composition 1-2 mM DtxR144-226 U-15N and U-13C; 10mM Potassium Phosphate buffer pH6.5 | 90% H2O, 10% D2O; 100% D2O
Resolution not provided
1QW1 Solution Structure of the C-Terminal Domain of DtxR residues 110-226 Deposited 2003-08-29 Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain A 110–226（117 aa） Fragment：RESIDUES 110-226
Not recorded No recorded non-water small molecule SOLUTION NMR
NMR measurement conditions pH 6.5；303 K；Pressure ambient
NMR sample composition 1-2 mM DtxR110-226 U-15N, 50 mM Potassium Phosphate, pH 6.5 | 90% H2O/10% D2O
NMR sample composition 1-2 mM DtxR110-226 U-15N U-13C, 50 mM Potassium Phosphate, pH 6.5 | 100% D2O
NMR sample composition 1-2 mM DtxR110-226 U-15N U-13C, 50 mM Potassium Phosphate, pH 6.5 | 90% H2O/10% D2O
Resolution not provided
1XCV Crystal Structure Of (H79AC102D)Dtxr complexed with Nickel(II) Deposited 2004-09-03 Assembly 1 Protein homooligomer Homooligomer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain A 1–139（139 aa）
Mutation：H79A, C102D NI NICKEL (II) ION × 2 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7.5；298 K；ammonium sulfate, PEG 400, pH 7.5, VAPOR DIFFUSION, HANGING DROP, temperature 298K
Resolution 2.10 Å R-free 0.300
2DTR STRUCTURE OF DIPHTHERIA TOXIN REPRESSOR Deposited 1996-07-26 Assembly 1 Protein homooligomer Homooligomer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain A 1–226（226 aa）
Not recorded SO4 SULFATE ION × 2 CO COBALT (II) ION × 2 X-RAY DIFFRACTION mmCIF provides none of the parsed conditions Resolution 1.90 Å
2QQ9 Crystal Structure of DtxR(D6A C102D) Complexed with Nickel(II) Deposited 2007-07-26 Assembly 1 Protein homooligomer Homooligomer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain A 1–226（226 aa）
Mutation：D6A, C102D NI NICKEL (II) ION × 4 PO4 PHOSPHATE ION × 2 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7.5；298 K；0.2 M Sodium Phosphate, 20% PEG 3350, 5 mM Nickel Chloride, pH 7.5, VAPOR DIFFUSION, HANGING DROP, temperature 298K
Resolution 1.71 Å R-free 0.291
2QQA Crystal Structure of DtxR(E9A C102D) Complexed with Nickel(II) Deposited 2007-07-26 Assembly 1 Protein homooligomer Homooligomer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain A 1–226（226 aa）
Mutation：E9A, C102D NI NICKEL (II) ION × 4 PO4 PHOSPHATE ION × 2 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7.5；298 K；0.2 M Sodium Phosphate, 20% PEG 3350, 5 mM Nickel Chloride, pH 7.5, VAPOR DIFFUSION, HANGING DROP, temperature 298K
Resolution 2.10 Å R-free 0.256
2QQB Crystal Structure of DtxR(M10A C102D) Complexed with Nickel(II) Deposited 2007-07-26 Assembly 1 Protein homooligomer Homooligomer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain A 1–226（226 aa）
Mutation：M10A, C102D NI NICKEL (II) ION × 4 PO4 PHOSPHATE ION × 2 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7.5；298 K；0.2 M Sodium Phosphate, 20% PEG 3350, 5 mM Nickel Chloride, pH 7.5, VAPOR DIFFUSION, HANGING DROP, temperature 298K
Resolution 1.92 Å R-free 0.311
2TDX DIPHTHERIA TOX REPRESSOR (C102D MUTANT) COMPLEXED WITH NICKEL Deposited 1998-06-22 Assembly 1 Protein homooligomer Homooligomer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain A 1–226（226 aa）
Mutation：C102D NI NICKEL (II) ION × 4 X-RAY DIFFRACTION mmCIF provides none of the parsed conditions Resolution 2.40 Å R-free 0.321
3GLX Crystal Structure Analysis of the DtxR(E175K) complexed with Ni(II) Deposited 2009-03-12 Assembly 1 Protein homooligomer Homooligomer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain A 1–226（226 aa）
Mutation：E175K NI NICKEL (II) ION × 2 PO4 PHOSPHATE ION × 2 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7.5；298 K；0.95 M Sodium/Potasium Phosphate, pH 7.5, VAPOR DIFFUSION, HANGING DROP, temperature 298K
Resolution 1.85 Å R-free 0.271

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.