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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：P00446 New Search
9PDB entries
10Biological assembly
11chain/assembly records
Main Difference Dimensions in This Set
Different mutation/modification 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
1BZO THREE-DIMENSIONAL STRUCTURE OF PROKARYOTIC CU,ZN SUPEROXIDE DISMUTASE FROM P.LEIOGNATHI, SOLVED BY X-RAY CRYSTALLOGRAPHY. Deposited 1998-11-02 Assembly 1 Protein homooligomer Homooligomer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain A 23–173（151 aa）
Not recorded ZN ZINC ION × 2 CU COPPER (II) ION × 2 IUM URANYL (VI) ION × 4 X-RAY DIFFRACTION
X-ray crystallization conditions pH 4；PEG 8,000 25%, NACL 100 MM, SODIUM ACETATE 50 MM, PH 4, T=28C
Resolution 2.10 Å
1IB5 X-RAY 3D STRUCTURE OF P.LEIOGNATHI CU,ZN SOD MUTANT W83Y Deposited 2001-03-27 Assembly 1 Protein homooligomer Homooligomer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain A 23–173（151 aa）
Mutation：W83Y ZN ZINC ION × 2 CU COPPER (II) ION × 2 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 4.5；301 K；PEG 8k, NaCl, pH 4.5, VAPOR DIFFUSION, HANGING DROP, temperature 301K
Resolution 2.45 Å R-free 0.265
1IBB X-RAY 3D STRUCTURE OF P.LEIOGNATHI CU,ZN SOD MUTANT W83F Deposited 2001-03-28 Assembly 1 Protein homooligomer Homooligomer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain A 23–173（151 aa）
Mutation：W83F ZN ZINC ION × 2 CU COPPER (II) ION × 2 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 4.5；301 K；PEG 8k, NaCl, pH 4.5, VAPOR DIFFUSION, HANGING DROP, temperature 301K
Resolution 2.10 Å R-free 0.210
1IBD X-RAY 3D STRUCTURE OF P.LEIOGNATHI CU,ZN SOD MUTANT V29A Deposited 2001-03-28 Assembly 1 Protein homooligomer Homooligomer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain A 23–173（151 aa）
Mutation：V29A ZN ZINC ION × 2 CU COPPER (II) ION × 2 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 4.5；301 K；PEG 8k, NaCl, pH 4.5, VAPOR DIFFUSION, HANGING DROP, temperature 301K
Resolution 2.00 Å R-free 0.269
1IBF X-RAY 3D STRUCTURE OF P.LEIOGNATHI CU,ZN SOD MUTANT V29G Deposited 2001-03-28 Assembly 1 Protein homooligomer Homooligomer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain A 23–173（151 aa）
Mutation：V29G ZN ZINC ION × 2 CU COPPER (II) ION × 2 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 4.5；301 K；PEG 8k, NaCl, pH 4.5, VAPOR DIFFUSION, HANGING DROP, temperature 301K
Resolution 2.20 Å R-free 0.278
1IBH X-RAY 3D STRUCTURE OF P.LEIOGNATHI CU,ZN SOD MUTANT M41I Deposited 2001-03-28 Assembly 1 Protein homooligomer Homooligomer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain A 23–173（151 aa）
Mutation：M41I ZN ZINC ION × 2 CU COPPER (II) ION × 2 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 4.5；301 K；PEG 8k, NaCl, pH 4.5, VAPOR DIFFUSION, HANGING DROP, temperature 301K
Resolution 2.00 Å R-free 0.287
1OAJ Active site copper and zinc ions modulate the quaternary structure of prokaryotic Cu,Zn superoxide dismutase Deposited 2003-01-14 Assembly 1 Protein homooligomer Homooligomer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain A 23–173（151 aa）
Mutation：YES ZN ZINC ION × 2 CU COPPER (II) ION × 2 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 4；301 K；PEG 8,000 25%, NACL 100 MM, SODIUM ACETATE 50 MM, PH 4, TEMPERATURE 28C
Resolution 1.73 Å R-free 0.231
1OAL Active site copper and zinc ions modulate the quaternary structure of prokaryotic Cu,Zn superoxide dismutase Deposited 2003-01-15 Assembly 1 Protein homooligomer Homooligomer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain A 23–173（151 aa）
Mutation：YES ZN ZINC ION × 2 CU COPPER (II) ION × 2 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 4；301 K；PEG 8,000 25%, NACL 100 MM, SODIUM ACETATE 50 MM, PH 4, T=28C
Resolution 1.50 Å R-free 0.194
1YAI X-RAY STRUCTURE OF A BACTERIAL COPPER,ZINC SUPEROXIDE DISMUTASE Deposited 1996-02-03 Assembly 1 Protein homooligomer Homooligomer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain A 23–173（151 aa）
Not recorded CU COPPER (II) ION × 2 ZN ZINC ION × 2 X-RAY DIFFRACTION
X-ray crystallization conditions pH 6.5；42% MPD, 60 MM POTASSIUM PHOSPHATE, PH 6.5
Resolution 1.90 Å R-free 0.210
1YAI X-RAY STRUCTURE OF A BACTERIAL COPPER,ZINC SUPEROXIDE DISMUTASE Deposited 1996-02-03 Assembly 2 Protein homooligomer Homooligomer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain B 23–173（151 aa）
Chain C 23–173（151 aa）
Not recorded CU COPPER (II) ION × 2 ZN ZINC ION × 2 X-RAY DIFFRACTION
X-ray crystallization conditions pH 6.5；42% MPD, 60 MM POTASSIUM PHOSPHATE, PH 6.5
Resolution 1.90 Å R-free 0.210

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.