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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：P31281 New Search
3PDB entries
17Biological assembly
17chain/assembly records
Main Difference Dimensions in This Set
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
1M06 Structural Studies of Bacteriophage alpha3 Assembly, X-Ray Crystallography Deposited 2002-06-12 Assembly 1 Protein–DNA Heteromer；Protein × 180 PDB declaration: 240-MERIC（240） Consistent with all polymers
Chain G 1–187（187 aa）
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 5；318.15 K；3-5% PEG8000, 100 mM sodium citrate pH 5.0, 1 mM EDTA, 300 mM NaCl, 0.1 mM-mercapto-ethanol, and 0.02 % sodium azide, VAPOR DIFFUSION, SITTING DROP, temperature 318.15K
Resolution 3.50 Å R-free 0.234
1M06 Structural Studies of Bacteriophage alpha3 Assembly, X-Ray Crystallography Deposited 2002-06-12 Assembly 2 Protein–DNA Heteromer；Protein × 3 PDB declaration: tetrameric（4） Consistent with all polymers
Chain G 1–187（187 aa）
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 5；318.15 K；3-5% PEG8000, 100 mM sodium citrate pH 5.0, 1 mM EDTA, 300 mM NaCl, 0.1 mM-mercapto-ethanol, and 0.02 % sodium azide, VAPOR DIFFUSION, SITTING DROP, temperature 318.15K
Resolution 3.50 Å R-free 0.234
1M06 Structural Studies of Bacteriophage alpha3 Assembly, X-Ray Crystallography Deposited 2002-06-12 Assembly 3 Protein–DNA Heteromer；Protein × 15 PDB declaration: eicosameric（20） Consistent with all polymers
Chain G 1–187（187 aa）
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 5；318.15 K；3-5% PEG8000, 100 mM sodium citrate pH 5.0, 1 mM EDTA, 300 mM NaCl, 0.1 mM-mercapto-ethanol, and 0.02 % sodium azide, VAPOR DIFFUSION, SITTING DROP, temperature 318.15K
Resolution 3.50 Å R-free 0.234
1M06 Structural Studies of Bacteriophage alpha3 Assembly, X-Ray Crystallography Deposited 2002-06-12 Assembly 4 Protein–DNA Heteromer；Protein × 18 PDB declaration: 24-meric（24） Consistent with all polymers
Chain G 1–187（187 aa）
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 5；318.15 K；3-5% PEG8000, 100 mM sodium citrate pH 5.0, 1 mM EDTA, 300 mM NaCl, 0.1 mM-mercapto-ethanol, and 0.02 % sodium azide, VAPOR DIFFUSION, SITTING DROP, temperature 318.15K
Resolution 3.50 Å R-free 0.234
1M06 Structural Studies of Bacteriophage alpha3 Assembly, X-Ray Crystallography Deposited 2002-06-12 Assembly 5 Protein–DNA Heteromer；Protein × 3 PDB declaration: tetrameric（4） Consistent with all polymers
Chain G 1–187（187 aa）
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 5；318.15 K；3-5% PEG8000, 100 mM sodium citrate pH 5.0, 1 mM EDTA, 300 mM NaCl, 0.1 mM-mercapto-ethanol, and 0.02 % sodium azide, VAPOR DIFFUSION, SITTING DROP, temperature 318.15K
Resolution 3.50 Å R-free 0.234
1M06 Structural Studies of Bacteriophage alpha3 Assembly, X-Ray Crystallography Deposited 2002-06-12 Assembly 6 Protein–DNA Heteromer；Protein × 180 PDB declaration: 240-meric（240） Consistent with all polymers
Chain G 1–187（187 aa）
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 5；318.15 K；3-5% PEG8000, 100 mM sodium citrate pH 5.0, 1 mM EDTA, 300 mM NaCl, 0.1 mM-mercapto-ethanol, and 0.02 % sodium azide, VAPOR DIFFUSION, SITTING DROP, temperature 318.15K
Resolution 3.50 Å R-free 0.234
1M0F Structural Studies of Bacteriophage alpha3 Assembly, Cryo-electron microscopy Deposited 2002-06-12 Assembly 1 Protein heterocomplex Heteromer；Protein × 420 PDB declaration: 420-MERIC（420） Consistent with protein count
Chain G 1–187（187 aa）
Not recorded No recorded non-water small molecule ELECTRON MICROSCOPY
cryo-EM buffer 10 mM Tris and 1 mM EDTA；pH 7.5；10 mM Tris and 1 mM EDTA
Resolution 16.00 Å
1M0F Structural Studies of Bacteriophage alpha3 Assembly, Cryo-electron microscopy Deposited 2002-06-12 Assembly 2 Protein heterocomplex Heteromer；Protein × 7 PDB declaration: heptameric（7） Consistent with protein count
Chain G 1–187（187 aa）
Not recorded No recorded non-water small molecule ELECTRON MICROSCOPY
cryo-EM buffer 10 mM Tris and 1 mM EDTA；pH 7.5；10 mM Tris and 1 mM EDTA
Resolution 16.00 Å
1M0F Structural Studies of Bacteriophage alpha3 Assembly, Cryo-electron microscopy Deposited 2002-06-12 Assembly 3 Protein heterocomplex Heteromer；Protein × 35 PDB declaration: 35-meric（35） Consistent with protein count
Chain G 1–187（187 aa）
Not recorded No recorded non-water small molecule ELECTRON MICROSCOPY
cryo-EM buffer 10 mM Tris and 1 mM EDTA；pH 7.5；10 mM Tris and 1 mM EDTA
Resolution 16.00 Å
1M0F Structural Studies of Bacteriophage alpha3 Assembly, Cryo-electron microscopy Deposited 2002-06-12 Assembly 4 Protein heterocomplex Heteromer；Protein × 42 PDB declaration: 42-meric（42） Consistent with protein count
Chain G 1–187（187 aa）
Not recorded No recorded non-water small molecule ELECTRON MICROSCOPY
cryo-EM buffer 10 mM Tris and 1 mM EDTA；pH 7.5；10 mM Tris and 1 mM EDTA
Resolution 16.00 Å
1M0F Structural Studies of Bacteriophage alpha3 Assembly, Cryo-electron microscopy Deposited 2002-06-12 Assembly 5 Protein heterocomplex Heteromer；Protein × 7 PDB declaration: heptameric（7） Consistent with protein count
Chain G 1–187（187 aa）
Not recorded No recorded non-water small molecule ELECTRON MICROSCOPY
cryo-EM buffer 10 mM Tris and 1 mM EDTA；pH 7.5；10 mM Tris and 1 mM EDTA
Resolution 16.00 Å
1RB8 The phiX174 DNA binding protein J in two different capsid environments. Deposited 2003-11-03 Assembly 1 Protein–DNA Heteromer；Protein × 180 PDB declaration: 240-MERIC（240） Consistent with all polymers
Chain G 1–187（187 aa）
Not recorded DC 2'-DEOXYCYTIDINE-5'-MONOPHOSPHATE × 360 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 5；298 K；4-7% PEG 8000, 100 mM sodium citrate pH 5.0, 40% glycerol, 0.02% sodium azide, 0.1% beta-mercapto-ethanol, 0.9M NaCl, VAPOR DIFFUSION, SITTING DROP, temperature 298K
Resolution 3.50 Å R-free 0.236
1RB8 The phiX174 DNA binding protein J in two different capsid environments. Deposited 2003-11-03 Assembly 2 Protein–DNA Heteromer；Protein × 3 PDB declaration: tetrameric（4） Consistent with all polymers
Chain G 1–187（187 aa）
Not recorded DC 2'-DEOXYCYTIDINE-5'-MONOPHOSPHATE × 6 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 5；298 K；4-7% PEG 8000, 100 mM sodium citrate pH 5.0, 40% glycerol, 0.02% sodium azide, 0.1% beta-mercapto-ethanol, 0.9M NaCl, VAPOR DIFFUSION, SITTING DROP, temperature 298K
Resolution 3.50 Å R-free 0.236
1RB8 The phiX174 DNA binding protein J in two different capsid environments. Deposited 2003-11-03 Assembly 3 Protein–DNA Heteromer；Protein × 15 PDB declaration: eicosameric（20） Consistent with all polymers
Chain G 1–187（187 aa）
Not recorded DC 2'-DEOXYCYTIDINE-5'-MONOPHOSPHATE × 30 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 5；298 K；4-7% PEG 8000, 100 mM sodium citrate pH 5.0, 40% glycerol, 0.02% sodium azide, 0.1% beta-mercapto-ethanol, 0.9M NaCl, VAPOR DIFFUSION, SITTING DROP, temperature 298K
Resolution 3.50 Å R-free 0.236
1RB8 The phiX174 DNA binding protein J in two different capsid environments. Deposited 2003-11-03 Assembly 4 Protein–DNA Heteromer；Protein × 18 PDB declaration: 24-meric（24） Consistent with all polymers
Chain G 1–187（187 aa）
Not recorded DC 2'-DEOXYCYTIDINE-5'-MONOPHOSPHATE × 36 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 5；298 K；4-7% PEG 8000, 100 mM sodium citrate pH 5.0, 40% glycerol, 0.02% sodium azide, 0.1% beta-mercapto-ethanol, 0.9M NaCl, VAPOR DIFFUSION, SITTING DROP, temperature 298K
Resolution 3.50 Å R-free 0.236
1RB8 The phiX174 DNA binding protein J in two different capsid environments. Deposited 2003-11-03 Assembly 5 Protein–DNA Heteromer；Protein × 3 PDB declaration: tetrameric（4） Consistent with all polymers
Chain G 1–187（187 aa）
Not recorded DC 2'-DEOXYCYTIDINE-5'-MONOPHOSPHATE × 6 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 5；298 K；4-7% PEG 8000, 100 mM sodium citrate pH 5.0, 40% glycerol, 0.02% sodium azide, 0.1% beta-mercapto-ethanol, 0.9M NaCl, VAPOR DIFFUSION, SITTING DROP, temperature 298K
Resolution 3.50 Å R-free 0.236
1RB8 The phiX174 DNA binding protein J in two different capsid environments. Deposited 2003-11-03 Assembly 6 Protein–DNA Heteromer；Protein × 60 PDB declaration: 80-meric（80） Consistent with all polymers
Chain G 1–187（187 aa）
Not recorded DC 2'-DEOXYCYTIDINE-5'-MONOPHOSPHATE × 120 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 5；298 K；4-7% PEG 8000, 100 mM sodium citrate pH 5.0, 40% glycerol, 0.02% sodium azide, 0.1% beta-mercapto-ethanol, 0.9M NaCl, VAPOR DIFFUSION, SITTING DROP, temperature 298K
Resolution 3.50 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.