← Back to search

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：P00448 New Search
13PDB entries
21Biological assembly
42chain/assembly records
Main Difference Dimensions in This Set
Different construct 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
1D5N CRYSTAL STRUCTURE OF E. COLI MNSOD AT 100K Deposited 1999-10-08 Assembly 1 Protein homooligomer Homooligomer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain A 1–205（205 aa）
Chain B 1–205（205 aa）
Not recorded MN MANGANESE (II) ION × 2 X-RAY DIFFRACTION
X-ray crystallization conditions pH 8.5；pH 8.50
Resolution 1.55 Å R-free 0.233
1D5N CRYSTAL STRUCTURE OF E. COLI MNSOD AT 100K Deposited 1999-10-08 Assembly 2 Protein homooligomer Homooligomer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain C 1–205（205 aa）
Chain D 1–205（205 aa）
Not recorded MN MANGANESE (II) ION × 2 X-RAY DIFFRACTION
X-ray crystallization conditions pH 8.5；pH 8.50
Resolution 1.55 Å R-free 0.233
1EN4 CRYSTAL STRUCTURE ANALYSIS OF THE E. COLI MANGANESE SUPEROXIDE DISMUTASE Q146H MUTANT Deposited 2000-03-20 Assembly 1 Protein homooligomer Homooligomer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain A 1–205（205 aa）
Chain B 1–205（205 aa）
Mutation：Q146H Mutation：Q146H MN MANGANESE (II) ION × 2 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 8；298 K；20% w/v PEG 6000, 0.05 M bicine, pH 8.0, VAPOR DIFFUSION, SITTING DROP, temperature 298K
Resolution 2.00 Å R-free 0.192
1EN4 CRYSTAL STRUCTURE ANALYSIS OF THE E. COLI MANGANESE SUPEROXIDE DISMUTASE Q146H MUTANT Deposited 2000-03-20 Assembly 2 Protein homooligomer Homooligomer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain C 1–205（205 aa）
Chain D 1–205（205 aa）
Mutation：Q146H Mutation：Q146H MN MANGANESE (II) ION × 2 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 8；298 K；20% w/v PEG 6000, 0.05 M bicine, pH 8.0, VAPOR DIFFUSION, SITTING DROP, temperature 298K
Resolution 2.00 Å R-free 0.192
1EN5 CRYSTAL STRUCTURE ANALYSIS OF THE E. COLI MANGANESE SUPEROXIDE DISMUTASE Y34F MUTANT Deposited 2000-03-20 Assembly 1 Protein homooligomer Homooligomer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain A 1–205（205 aa）
Chain B 1–205（205 aa）
Mutation：Y34F Mutation：Y34F MN MANGANESE (II) ION × 2 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 8.3；298 K；20% w/v PEG 6000, 0.1 M bicine, 25 mM sodium azide, pH 8.3, VAPOR DIFFUSION, SITTING DROP, temperature 298K
Resolution 2.30 Å R-free 0.195
1EN5 CRYSTAL STRUCTURE ANALYSIS OF THE E. COLI MANGANESE SUPEROXIDE DISMUTASE Y34F MUTANT Deposited 2000-03-20 Assembly 2 Protein homooligomer Homooligomer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain C 1–205（205 aa）
Chain D 1–205（205 aa）
Mutation：Y34F Mutation：Y34F MN MANGANESE (II) ION × 2 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 8.3；298 K；20% w/v PEG 6000, 0.1 M bicine, 25 mM sodium azide, pH 8.3, VAPOR DIFFUSION, SITTING DROP, temperature 298K
Resolution 2.30 Å R-free 0.195
1EN6 CRYSTAL STRUCTURE ANALYSIS OF THE E. COLI MANGANESE SUPEROXIDE DISMUTASE Q146L MUTANT Deposited 2000-03-20 Assembly 1 Protein homooligomer Homooligomer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain A 1–205（205 aa）
Chain B 1–205（205 aa）
Mutation：Q146L Mutation：Q146L MN MANGANESE (II) ION × 2 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 8；298 K；20% w/v PEG 6000, 0.05 M bicine, pH 8.0, VAPOR DIFFUSION, SITTING DROP, temperature 298K
Resolution 2.00 Å R-free 0.207
1EN6 CRYSTAL STRUCTURE ANALYSIS OF THE E. COLI MANGANESE SUPEROXIDE DISMUTASE Q146L MUTANT Deposited 2000-03-20 Assembly 2 Protein homooligomer Homooligomer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain C 1–205（205 aa）
Chain D 1–205（205 aa）
Mutation：Q146L Mutation：Q146L MN MANGANESE (II) ION × 2 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 8；298 K；20% w/v PEG 6000, 0.05 M bicine, pH 8.0, VAPOR DIFFUSION, SITTING DROP, temperature 298K
Resolution 2.00 Å R-free 0.207
1I08 CRYSTAL STRUCTURE ANALYSIS OF THE H30A MUTANT OF MANGANESE SUPEROXIDE DISMUTASE FROM E. COLI Deposited 2001-01-29 Assembly 1 Protein homooligomer Homooligomer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain A 1–205（205 aa）
Chain B 1–205（205 aa）
Mutation：H30A Mutation：H30A MN MANGANESE (II) ION × 2 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 8；298 K；16-20% PEG 6000, 0.1 M bicine, pH 8.0, VAPOR DIFFUSION, SITTING DROP, temperature 298K
Resolution 2.20 Å R-free 0.211
1I08 CRYSTAL STRUCTURE ANALYSIS OF THE H30A MUTANT OF MANGANESE SUPEROXIDE DISMUTASE FROM E. COLI Deposited 2001-01-29 Assembly 2 Protein homooligomer Homooligomer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain C 1–205（205 aa）
Chain D 1–205（205 aa）
Mutation：H30A Mutation：H30A MN MANGANESE (II) ION × 2 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 8；298 K；16-20% PEG 6000, 0.1 M bicine, pH 8.0, VAPOR DIFFUSION, SITTING DROP, temperature 298K
Resolution 2.20 Å R-free 0.211
1I0H CRYSTAL STRUCTURE OF THE E. COLI MANGANESE SUPEROXIDE DISMUTASE MUTANT Y174F AT 1.35 ANGSTROMS RESOLUTION. Deposited 2001-01-29 Assembly 1 Protein homooligomer Homooligomer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain A 1–205（205 aa）
Chain B 1–205（205 aa）
Mutation：Y174F Mutation：Y174F MN MANGANESE (II) ION × 2 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 8.5；298 K；16-20% PEG 6000, 0.1M bicine ph 8.5, VAPOR DIFFUSION, SITTING DROP, temperature 298K
Resolution 1.35 Å R-free 0.196
1IX9 Crystal Structure of the E. coli Manganase(III) superoxide dismutase mutant Y174F at 0.90 angstroms resolution. Deposited 2002-06-17 Assembly 1 Protein homooligomer Homooligomer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain A 1–205（205 aa）
Chain B 1–205（205 aa）
Mutation：Y174F Mutation：Y174F MN MANGANESE (II) ION × 2 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 8.5；293 K；16-20% PEG6000, 0.1M BICINE, pH 8.5, VAPOR DIFFUSION, SITTING DROP, temperature 293K
Resolution 0.90 Å R-free 0.127
1IXB CRYSTAL STRUCTURE OF THE E. COLI MANGANESE(II) SUPEROXIDE DISMUTASE MUTANT Y174F AT 0.90 ANGSTROMS RESOLUTION. Deposited 2002-06-18 Assembly 1 Protein homooligomer Homooligomer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain A 1–205（205 aa）
Chain B 1–205（205 aa）
Mutation：Y174F Mutation：Y174F MH2 MANGANESE ION, 1 HYDROXYL COORDINATED × 2 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 8.5；293 K；16-20% PEG6000, 0.1M BICINE. CRYSTALS WERE REDUCED JUST PRIOR TO FREEZING BY ADDITION OF 10% H2O2 (1 PART to 40 PARTS MOTHER LIQUOR), pH 8.5, VAPOR DIFFUSION, SITTING DROP, temperature 293K
Resolution 0.90 Å R-free 0.126
1MMM DISTINCT METAL ENVIRONMENT IN IRON-SUBSTITUTED MANGANESE SUPEROXIDE DISMUTASE PROVIDES A STRUCTURAL BASIS OF METAL SPECIFICITY Deposited 1998-08-26 Assembly 1 Protein homooligomer Homooligomer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain A 1–205（205 aa）
Chain B 1–205（205 aa）
Not recorded OH HYDROXIDE ION × 3 FE FE (III) ION × 2 X-RAY DIFFRACTION
X-ray crystallization conditions pH 8.75；pH 8.75
Resolution 2.20 Å R-free 0.231
1VEW MANGANESE SUPEROXIDE DISMUTASE FROM ESCHERICHIA COLI Deposited 1998-01-20 Assembly 1 Protein homooligomer Homooligomer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain A 1–205（205 aa）
Chain B 1–205（205 aa）
Not recorded MN MANGANESE (II) ION × 2 OH HYDROXIDE ION × 2 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 8.5；CRYSTALS WERE GROWN AT ROOM TEMPERATURE USING THE HANGING DROP METHOD. THE HANGING DROPS WERE SUSPENDED OVER 0.75ML OF WELL SOLUTION (16-30% PEG6000 AND 0.05M BICINE TITRATED TO PH8.5) AND CONSISTED OF 2UL OF WELL SOLUTION AND 2UL OF PROTEIN SOLUTION (MNSOD AT 12MG/ML IN WATER)., vapor diffusion - hanging drop
Resolution 2.10 Å R-free 0.210
1VEW MANGANESE SUPEROXIDE DISMUTASE FROM ESCHERICHIA COLI Deposited 1998-01-20 Assembly 2 Protein homooligomer Homooligomer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain C 1–205（205 aa）
Chain D 1–205（205 aa）
Not recorded MN MANGANESE (II) ION × 2 OH HYDROXIDE ION × 2 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 8.5；CRYSTALS WERE GROWN AT ROOM TEMPERATURE USING THE HANGING DROP METHOD. THE HANGING DROPS WERE SUSPENDED OVER 0.75ML OF WELL SOLUTION (16-30% PEG6000 AND 0.05M BICINE TITRATED TO PH8.5) AND CONSISTED OF 2UL OF WELL SOLUTION AND 2UL OF PROTEIN SOLUTION (MNSOD AT 12MG/ML IN WATER)., vapor diffusion - hanging drop
Resolution 2.10 Å R-free 0.210
1ZLZ Re-Evaluation of the Low-Temperature Azide in Mn-Dependent Superoxide Dismutase Deposited 2005-05-09 Assembly 1 Protein homooligomer Homooligomer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain A 1–205（205 aa）
Chain B 1–205（205 aa）
Mutation：Y174F Mutation：Y174F AZI AZIDE ION × 2 MH2 MANGANESE ION, 1 HYDROXYL COORDINATED × 2 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 8.5；298 K；PEG 6000, MPD, TRIS buffer, pH 8.5, VAPOR DIFFUSION, SITTING DROP, temperature 298K
Resolution 1.55 Å R-free 0.222
3K9S Crystal structure of the peroxide-bound manganese superoxide dismutase. Deposited 2009-10-16 Assembly 1 Protein homooligomer Homooligomer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain A 2–206（205 aa）
Chain B 2–206（205 aa）
Not recorded MN MANGANESE (II) ION × 2 PEO HYDROGEN PEROXIDE × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 8.5；298 K；50 mM Bicine pH 8.5, 25% PEG 6000, VAPOR DIFFUSION, HANGING DROP, temperature 298K
Resolution 1.55 Å R-free 0.270
3K9S Crystal structure of the peroxide-bound manganese superoxide dismutase. Deposited 2009-10-16 Assembly 2 Protein homooligomer Homooligomer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain C 2–206（205 aa）
Chain D 2–206（205 aa）
Not recorded MN MANGANESE (II) ION × 2 PEO HYDROGEN PEROXIDE × 2 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 8.5；298 K；50 mM Bicine pH 8.5, 25% PEG 6000, VAPOR DIFFUSION, HANGING DROP, temperature 298K
Resolution 1.55 Å R-free 0.270
3OT7 Escherichia coli apo-manganese superoxide dismutase Deposited 2010-09-10 Assembly 1 Protein homooligomer Homooligomer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain A 2–206（205 aa）
Chain B 2–206（205 aa）
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 8；298 K；20% PEG 6000, 0.1M Bicine, 1mM EDTA, pH 8.0, VAPOR DIFFUSION, HANGING DROP, temperature 298K
Resolution 1.90 Å R-free 0.236
3OT7 Escherichia coli apo-manganese superoxide dismutase Deposited 2010-09-10 Assembly 2 Protein homooligomer Homooligomer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain C 2–206（205 aa）
Chain D 2–206（205 aa）
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 8；298 K；20% PEG 6000, 0.1M Bicine, 1mM EDTA, pH 8.0, VAPOR DIFFUSION, HANGING DROP, temperature 298K
Resolution 1.90 Å R-free 0.236

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.