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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：P13479 New Search
20PDB entries
28Biological assembly
28chain/assembly records
Main Difference Dimensions in This Set
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
1BXI CRYSTAL STRUCTURE OF THE ESCHERICHIA COLI COLICIN E9 DNASE DOMAIN WITH ITS COGNATE IMMUNITY PROTEIN IM9 Deposited 1998-10-04 Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain A 1–86（86 aa）
Not recorded NI NICKEL (II) ION × 1 PO4 PHOSPHATE ION × 1 X-RAY DIFFRACTION
X-ray crystallization conditions pH 5.3；24%(W/V)PEG 4K, 0.1MM SODIUM-ACETATE, PH5.3
Resolution 2.05 Å R-free 0.315
1E0H Inhibitor Protein Im9 bound to its partner E9 DNase Deposited 2000-03-28 Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain A 1–86（86 aa）
Not recorded No recorded non-water small molecule SOLUTION NMR
NMR measurement conditions pH 6.2；295 K；Pressure 1
NMR sample composition 10% WATER/90% D2O
Resolution not provided
1EMV CRYSTAL STRUCTURE OF COLICIN E9 DNASE DOMAIN WITH ITS COGNATE IMMUNITY PROTEIN IM9 (1.7 ANGSTROMS) Deposited 2000-03-20 Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain A 1–86（86 aa）
Not recorded PO4 PHOSPHATE ION × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 5.3；277 K；24% PEG 4000, 0.1M sodium acetate, pH 5.3, VAPOR DIFFUSION, SITTING DROP, temperature 277K
Resolution 1.70 Å R-free 0.260
1FR2 CRYSTAL STRUCTURE OF THE E9 DNASE DOMAIN WITH A MUTANT IMMUNITY PROTEIN IM9(E41A) Deposited 2000-09-07 Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain A 1–86（86 aa）
Mutation：E41A PO4 PHOSPHATE ION × 1 ZN ZINC ION × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 5.3；277 K；24% PEG 4000, 0.1M sodium acetate, , pH 5.3, VAPOR DIFFUSION, SITTING DROP, temperature 277K
Resolution 1.60 Å R-free 0.232
1IMP COLICIN E9 IMMUNITY PROTEIN IM9, NMR, 21 STRUCTURES Deposited 1996-05-30 Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain A 1–86（86 aa）
Not recorded No recorded non-water small molecule SOLUTION NMR mmCIF provides none of the parsed conditions Resolution not provided
1IMQ COLICIN E9 IMMUNITY PROTEIN IM9, NMR, MINIMIZED AVERAGE STRUCTURE Deposited 1996-05-30 Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain A 1–86（86 aa）
Not recorded No recorded non-water small molecule SOLUTION NMR mmCIF provides none of the parsed conditions Resolution not provided
2GYK Crystal structure of the complex of the Colicin E9 DNase domain with a mutant immunity protein, IMME9 (D51A) Deposited 2006-05-09 Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain A 1–86（86 aa）
Mutation：D51A ZN ZINC ION × 1 PO4 PHOSPHATE ION × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 5.3；277 K；24% (W/V) PEG 4K, 100mM SODIUM ACETATE BUFFER pH 5.3, VAPOR DIFFUSION, SITTING DROP, temperature 277K
Resolution 1.60 Å R-free 0.232
2GYK Crystal structure of the complex of the Colicin E9 DNase domain with a mutant immunity protein, IMME9 (D51A) Deposited 2006-05-09 Assembly 2 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain E 1–86（86 aa）
Mutation：D51A ZN ZINC ION × 1 PO4 PHOSPHATE ION × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 5.3；277 K；24% (W/V) PEG 4K, 100mM SODIUM ACETATE BUFFER pH 5.3, VAPOR DIFFUSION, SITTING DROP, temperature 277K
Resolution 1.60 Å R-free 0.232
2GZE Crystal structure of the E9 DNase domain with a mutant immunity protein IM9 (Y55A) Deposited 2006-05-11 Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain A 1–86（86 aa）
Mutation：Y55A ZN ZINC ION × 1 PO4 PHOSPHATE ION × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 5.3；277 K；24% (W/V) PEG 4K, 100mM SODIUM ACETATE BUFFER pH 5.3, VAPOUR DIFFUSSION,SITTING DROP, temperature 277K, VAPOR DIFFUSION, SITTING DROP
Resolution 1.80 Å R-free 0.242
2GZF Crystal structure of the E9 DNase domain with a mutant immunity protein IM9 (Y54F) Deposited 2006-05-11 Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain A 1–86（86 aa）
Mutation：Y54F ZN ZINC ION × 1 PO4 PHOSPHATE ION × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOUR DIFFUSSION,SITTING DROP；pH 5.3；277 K；24% (W/V) PEG 4K, 100mM SODIUM ACETATE BUFFER pH 5.3, VAPOUR DIFFUSSION,SITTING DROP, temperature 277K
Resolution 1.75 Å R-free 0.222
2GZG Crystal Structure of the E9 DNase Domain with a Mutant Immunity Protein IM9 (Y55F) Deposited 2006-05-11 Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain A 1–86（86 aa）
Mutation：Y55F ZN ZINC ION × 1 PO4 PHOSPHATE ION × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 5.3；277 K；24% (W/V) PEG 4K, 100mM SODIUM ACETATE BUFFER pH 5.3, temperature 277K, VAPOR DIFFUSION, SITTING DROP
Resolution 1.70 Å R-free 0.204
2GZI Crystal Structure of the E9 DNase Domain with a Mutant Immunity Protein IM9 (V34A) Deposited 2006-05-11 Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain A 1–86（86 aa）
Mutation：V34A ZN ZINC ION × 1 PO4 PHOSPHATE ION × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 5.3；277 K；24% (W/V) PEG 4K, 100mM SODIUM ACETATE BUFFER pH 5.3, temperature 277K, VAPOR DIFFUSION, SITTING DROP
Resolution 1.70 Å R-free 0.256
2GZJ Crystal Structure of the E9 DNase Domain with a Mutant Immunity Protein IM9 (D51A) Deposited 2006-05-11 Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain A 1–86（86 aa）
Mutation：D51A ZN ZINC ION × 1 PO4 PHOSPHATE ION × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 5.3；277 K；24% (W/V) PEG 4K, 100mM SODIUM ACETATE BUFFER pH 5.3, temperature 277K, VAPOR DIFFUSION, SITTING DROP
Resolution 1.60 Å R-free 0.232
2GZJ Crystal Structure of the E9 DNase Domain with a Mutant Immunity Protein IM9 (D51A) Deposited 2006-05-11 Assembly 2 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain E 1–86（86 aa）
Mutation：D51A ZN ZINC ION × 1 PO4 PHOSPHATE ION × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 5.3；277 K；24% (W/V) PEG 4K, 100mM SODIUM ACETATE BUFFER pH 5.3, temperature 277K, VAPOR DIFFUSION, SITTING DROP
Resolution 1.60 Å R-free 0.232
2K5X Chemical shift structure of COLICIN E9 DNASE domain with its cognate immunity protein IM9 Deposited 2008-07-01 Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain A 1–86（86 aa）
Not recorded No recorded non-water small molecule SOLUTION NMR
NMR measurement conditions pH 6.2；298 K
Resolution not provided
2VLN N75A mutant of E9 DNase domain in complex with Im9 Deposited 2008-01-15 Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain A 1–86（86 aa）
Not recorded MLA MALONIC ACID × 3 X-RAY DIFFRACTION mmCIF provides none of the parsed conditions Resolution 1.60 Å R-free 0.203
2VLO K97A mutant of E9 DNase domain in complex with Im9 Deposited 2008-01-15 Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain A 1–86（86 aa）
Not recorded SO4 SULFATE ION × 6 X-RAY DIFFRACTION mmCIF provides none of the parsed conditions Resolution 1.80 Å R-free 0.228
2VLP R54A mutant of E9 DNase domain in complex with Im9 Deposited 2008-01-15 Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain A 1–86（86 aa）
Not recorded MLA MALONIC ACID × 3 X-RAY DIFFRACTION
X-ray crystallization conditions 2.9 M AMMONIUM SULPHATE AND 100 MM BIS-TRIS PH 5.5
Resolution 2.00 Å R-free 0.229
2VLQ F86A mutant of E9 DNase domain in complex with Im9 Deposited 2008-01-15 Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain A 1–86（86 aa）
Not recorded MLA MALONIC ACID × 3 X-RAY DIFFRACTION
X-ray crystallization conditions 2.9 M AMMONIUM SULPHATE AND 100 MM BIS-TRIS PH 5.5
Resolution 1.60 Å R-free 0.199
3GJN Following evolutionary paths to high affinity and selectivity protein-protein interactions using Colicin7 and Immunity proteins Deposited 2009-03-09 Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain A 1–86（86 aa）
Mutation：H545A No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions pH 10.5；292 K；30% PEG40, pH10.5, Microbatch under oil, temperature 292K
Resolution 2.48 Å R-free 0.276
3GJN Following evolutionary paths to high affinity and selectivity protein-protein interactions using Colicin7 and Immunity proteins Deposited 2009-03-09 Assembly 2 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain D 1–86（86 aa）
Mutation：H545A ZN ZINC ION × 1 X-RAY DIFFRACTION
X-ray crystallization conditions pH 10.5；292 K；30% PEG40, pH10.5, Microbatch under oil, temperature 292K
Resolution 2.48 Å R-free 0.276
3GJN Following evolutionary paths to high affinity and selectivity protein-protein interactions using Colicin7 and Immunity proteins Deposited 2009-03-09 Assembly 4 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain D 1–86（86 aa）
Mutation：H545A No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions pH 10.5；292 K；30% PEG40, pH10.5, Microbatch under oil, temperature 292K
Resolution 2.48 Å R-free 0.276
3GKL Following evolutionary paths to high affinity and selectivity protein-protein interactions using Colicin7 and Immunity proteins Deposited 2009-03-11 Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain C 1–86（86 aa）
Mutation：H545A ZN ZINC ION × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 9；292 K；30% PEG 400, 0.1 CHES pH 9.0, VAPOR DIFFUSION, SITTING DROP, temperature 292K
Resolution 2.20 Å R-free 0.277
3GKL Following evolutionary paths to high affinity and selectivity protein-protein interactions using Colicin7 and Immunity proteins Deposited 2009-03-11 Assembly 2 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain D 1–86（86 aa）
Mutation：H545A ZN ZINC ION × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 9；292 K；30% PEG 400, 0.1 CHES pH 9.0, VAPOR DIFFUSION, SITTING DROP, temperature 292K
Resolution 2.20 Å R-free 0.277
5EW5 Crystal Structure of Colicin E9 In Complex with Its Immunity Protein Im9 Deposited 2015-11-20 Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain E 1–86（86 aa）
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION；293 K；1.3M sodium malonate, PEG3350
Resolution 3.20 Å R-free 0.271
5EW5 Crystal Structure of Colicin E9 In Complex with Its Immunity Protein Im9 Deposited 2015-11-20 Assembly 2 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain F 1–86（86 aa）
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION；293 K；1.3M sodium malonate, PEG3350
Resolution 3.20 Å R-free 0.271
5EW5 Crystal Structure of Colicin E9 In Complex with Its Immunity Protein Im9 Deposited 2015-11-20 Assembly 3 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain H 1–86（86 aa）
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION；293 K；1.3M sodium malonate, PEG3350
Resolution 3.20 Å R-free 0.271
5EW5 Crystal Structure of Colicin E9 In Complex with Its Immunity Protein Im9 Deposited 2015-11-20 Assembly 4 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain G 1–86（86 aa）
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION；293 K；1.3M sodium malonate, PEG3350
Resolution 3.20 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.