2ivz

Structure of TolB in complex with a peptide of the colicin E9 T- domain

Method: X-RAY DIFFRACTION D_max: 162.3 Å Quality: GOOD

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1. Protein Identity and Related Structures Protein Identity & Related Structures

PROTEIN TOLB

ESCHERICHIA COLI

State in the Current Structure

Assembly	Oligomeric State	Construct	Mutations and Modifications	Ligands, Ions and Associated Components	Method and Experimental Conditions	Structure Quality
1	Protein heterocomplex Heteromer Protein × 2 PDB declaration: dimeric（2） Consistent with protein copy count	Chain A； UniProt 1–430	Not recorded	COLICIN-E9 × 1 （P09883） CA CALCIUM ION × 2	X-RAY DIFFRACTION X-ray crystallization conditions：pH 7.5；24% POLYETHYLENE GLYCOL MONOMETHYL ETHER 5000, 80 MM CACL2, 100 MM HEPES, PH 7.5	Resolution 2.00 Å R-free 0.222
2	Protein heterocomplex Heteromer Protein × 2 PDB declaration: dimeric（2） Consistent with protein copy count	Chain B； UniProt 1–430	Not recorded	COLICIN-E9 × 1 （P09883） CA CALCIUM ION × 1	X-RAY DIFFRACTION X-ray crystallization conditions：pH 7.5；24% POLYETHYLENE GLYCOL MONOMETHYL ETHER 5000, 80 MM CACL2, 100 MM HEPES, PH 7.5	Resolution 2.00 Å R-free 0.222
3	Protein heterocomplex Heteromer Protein × 2 PDB declaration: dimeric（2） Consistent with protein copy count	Chain C； UniProt 1–430	Not recorded	COLICIN-E9 × 1 （P09883） CA CALCIUM ION × 2	X-RAY DIFFRACTION X-ray crystallization conditions：pH 7.5；24% POLYETHYLENE GLYCOL MONOMETHYL ETHER 5000, 80 MM CACL2, 100 MM HEPES, PH 7.5	Resolution 2.00 Å R-free 0.222
4	Protein heterocomplex Heteromer Protein × 2 PDB declaration: dimeric（2） Consistent with protein copy count	Chain D； UniProt 1–430	Not recorded	COLICIN-E9 × 1 （P09883） CA CALCIUM ION × 2	X-RAY DIFFRACTION X-ray crystallization conditions：pH 7.5；24% POLYETHYLENE GLYCOL MONOMETHYL ETHER 5000, 80 MM CACL2, 100 MM HEPES, PH 7.5	Resolution 2.00 Å R-free 0.222

Other States of the Same Protein in the Database

Each row is a biological assembly of the same UniProt protein in another PDB entry. The “Difference from current entry” column identifies evidence-level differences; no tag means the currently parsed fields agree.

Other PDB	Difference from Current Entry 2IVZ	Assembly / Oligomeric State	Construct	Mutations and Modifications	Ligands, Ions and Non-polymers	Method and Experimental Conditions	Structure Quality
1C5K THE STRUCTURE OF TOLB, AN ESSENTIAL COMPONENT OF THE TOL-DEPENDENT TRANSLOCATION SYSTEM AND ITS INTERACTIONS WITH THE TRANSLOCATION DOMAIN OF COLICIN E9 Deposited 1999-12-05	Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric	Chain A 1–430（430 aa） Fragment：ENTIRE PROTEIN	Not recorded	YB YTTERBIUM (III) ION × 1	X-RAY DIFFRACTION X-ray crystallization conditions pH 6.5；pH 6.5	Resolution 2.00 Å R-free 0.271
1CRZ CRYSTAL STRUCTURE OF THE E. COLI TOLB PROTEIN Deposited 1999-08-16	Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric	Chain A 28–430（403 aa）	Non-standard monomer：Yes (specific site not provided by mmCIF)	No recorded non-water small molecule	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7.5；293 K；PEG 8000, SODIUM CHLORIDE, TRIS, TCEP, pH 7.5, VAPOR DIFFUSION, HANGING DROP, temperature 293.0K	Resolution 1.95 Å R-free 0.238
2HQS Crystal structure of TolB/Pal complex Deposited 2006-07-19	Different construct Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric	Chain A 23–430（408 aa）	Not recorded	ACT ACETATE ION × 2 SO4 SULFATE ION × 1 GOL GLYCEROL × 2	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 4.6；293 K；MME PEG 2000, ammonium sulfate, sodium acetate, pH 4.6, VAPOR DIFFUSION, HANGING DROP, temperature 293K	Resolution 1.50 Å R-free 0.213
2HQS Crystal structure of TolB/Pal complex Deposited 2006-07-19	Different construct Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 2 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric	Chain B 23–430（408 aa）	Not recorded	ACT ACETATE ION × 2 SO4 SULFATE ION × 1 GOL GLYCEROL × 2	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 4.6；293 K；MME PEG 2000, ammonium sulfate, sodium acetate, pH 4.6, VAPOR DIFFUSION, HANGING DROP, temperature 293K	Resolution 1.50 Å R-free 0.213
2HQS Crystal structure of TolB/Pal complex Deposited 2006-07-19	Different construct Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 3 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric	Chain D 23–430（408 aa）	Not recorded	ACT ACETATE ION × 1 SO4 SULFATE ION × 1 GOL GLYCEROL × 1	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 4.6；293 K；MME PEG 2000, ammonium sulfate, sodium acetate, pH 4.6, VAPOR DIFFUSION, HANGING DROP, temperature 293K	Resolution 1.50 Å R-free 0.213
2HQS Crystal structure of TolB/Pal complex Deposited 2006-07-19	Different construct Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 4 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric	Chain F 23–430（408 aa）	Not recorded	ACT ACETATE ION × 2 SO4 SULFATE ION × 3 GOL GLYCEROL × 2	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 4.6；293 K；MME PEG 2000, ammonium sulfate, sodium acetate, pH 4.6, VAPOR DIFFUSION, HANGING DROP, temperature 293K	Resolution 1.50 Å R-free 0.213
2W8B Crystal structure of processed TolB in complex with Pal Deposited 2009-01-15	Different construct Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric	Chain A 22–430（409 aa）	Not recorded	SO4 SULFATE ION × 3 GOL GLYCEROL × 1 ACT ACETATE ION × 2	X-RAY DIFFRACTION X-ray crystallization conditions pH 4.6；0.1M SODIUM ACETATE PH 4.6, 17% PEG4000, 0.2M AMMONIUM SULPHATE, 20MG/ML	Resolution 1.86 Å R-free 0.247
2W8B Crystal structure of processed TolB in complex with Pal Deposited 2009-01-15	Different construct Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 2 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric	Chain D 22–430（409 aa）	Not recorded	SO4 SULFATE ION × 1 GOL GLYCEROL × 2 ACT ACETATE ION × 1	X-RAY DIFFRACTION X-ray crystallization conditions pH 4.6；0.1M SODIUM ACETATE PH 4.6, 17% PEG4000, 0.2M AMMONIUM SULPHATE, 20MG/ML	Resolution 1.86 Å R-free 0.247
2W8B Crystal structure of processed TolB in complex with Pal Deposited 2009-01-15	Different construct Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 3 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric	Chain F 22–430（409 aa）	Not recorded	SO4 SULFATE ION × 2 GOL GLYCEROL × 1	X-RAY DIFFRACTION X-ray crystallization conditions pH 4.6；0.1M SODIUM ACETATE PH 4.6, 17% PEG4000, 0.2M AMMONIUM SULPHATE, 20MG/ML	Resolution 1.86 Å R-free 0.247
2W8B Crystal structure of processed TolB in complex with Pal Deposited 2009-01-15	Different construct Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 4 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric	Chain B 22–430（409 aa）	Not recorded	SO4 SULFATE ION × 2 GOL GLYCEROL × 3 ACT ACETATE ION × 1	X-RAY DIFFRACTION X-ray crystallization conditions pH 4.6；0.1M SODIUM ACETATE PH 4.6, 17% PEG4000, 0.2M AMMONIUM SULPHATE, 20MG/ML	Resolution 1.86 Å R-free 0.247
3IAX The crystal structure of the TolB box of Colicin A in complex with TolB reveals important differences in the recruitment of the common TolB translocation portal used by group A colicins Deposited 2009-07-15	Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric	Chain A 1–430（430 aa）	Not recorded	NA SODIUM ION × 1 CA CALCIUM ION × 1 GOL GLYCEROL × 1	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 7.5；293 K；20% PEG 10000, 0.1 M Hepes, pH 7.5, VAPOR DIFFUSION, SITTING DROP, temperature 293K	Resolution 2.60 Å R-free 0.257

5 other PDB entries and 11 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence

UniProt name	TOLB_ECOLI
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 2–431； UniProt 1–430 Author chain B； PDBConstruct 2–431； UniProt 1–430 Author chain C； PDBConstruct 2–431； UniProt 1–430 Author chain D； PDBConstruct 2–431； UniProt 1–430

COLICIN-E9

OrganismNot specified

UniProt P09883

State in the Current Structure

Assembly	Oligomeric State	Construct	Mutations and Modifications	Ligands, Ions and Associated Components	Method and Experimental Conditions	Structure Quality
1	Protein heterocomplex Heteromer Protein × 2 PDB declaration: dimeric（2） Consistent with protein copy count	Chain E； UniProt 32–47	Fragment：T-DOMAIN, RESIDUES 32-47	PROTEIN TOLB × 1 （P0A855） CA CALCIUM ION × 2	X-RAY DIFFRACTION X-ray crystallization conditions：pH 7.5；24% POLYETHYLENE GLYCOL MONOMETHYL ETHER 5000, 80 MM CACL2, 100 MM HEPES, PH 7.5	Resolution 2.00 Å R-free 0.222
2	Protein heterocomplex Heteromer Protein × 2 PDB declaration: dimeric（2） Consistent with protein copy count	Chain F； UniProt 32–47	Fragment：T-DOMAIN, RESIDUES 32-47	PROTEIN TOLB × 1 （P0A855） CA CALCIUM ION × 1	X-RAY DIFFRACTION X-ray crystallization conditions：pH 7.5；24% POLYETHYLENE GLYCOL MONOMETHYL ETHER 5000, 80 MM CACL2, 100 MM HEPES, PH 7.5	Resolution 2.00 Å R-free 0.222
3	Protein heterocomplex Heteromer Protein × 2 PDB declaration: dimeric（2） Consistent with protein copy count	Chain G； UniProt 32–47	Fragment：T-DOMAIN, RESIDUES 32-47	PROTEIN TOLB × 1 （P0A855） CA CALCIUM ION × 2	X-RAY DIFFRACTION X-ray crystallization conditions：pH 7.5；24% POLYETHYLENE GLYCOL MONOMETHYL ETHER 5000, 80 MM CACL2, 100 MM HEPES, PH 7.5	Resolution 2.00 Å R-free 0.222
4	Protein heterocomplex Heteromer Protein × 2 PDB declaration: dimeric（2） Consistent with protein copy count	Chain H； UniProt 32–47	Fragment：T-DOMAIN, RESIDUES 32-47	PROTEIN TOLB × 1 （P0A855） CA CALCIUM ION × 2	X-RAY DIFFRACTION X-ray crystallization conditions：pH 7.5；24% POLYETHYLENE GLYCOL MONOMETHYL ETHER 5000, 80 MM CACL2, 100 MM HEPES, PH 7.5	Resolution 2.00 Å R-free 0.222

Other States of the Same Protein in the Database

Other PDB	Difference from Current Entry 2IVZ	Assembly / Oligomeric State	Construct	Mutations and Modifications	Ligands, Ions and Non-polymers	Method and 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	Different construct Different mutation/modification Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric	Chain B 449–582（134 aa） Fragment：DNASE DOMAIN, RESIDUES 450-581	Non-standard monomer：Yes (specific site not provided by mmCIF)	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
1EMV CRYSTAL STRUCTURE OF COLICIN E9 DNASE DOMAIN WITH ITS COGNATE IMMUNITY PROTEIN IM9 (1.7 ANGSTROMS) Deposited 2000-03-20	Different construct Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric	Chain B 450–582（133 aa） Fragment：C-TERMINAL DOMAIN, DNASE DOMAIN	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	Different construct Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric	Chain B 450–582（133 aa） Fragment：C-TERMINAL DOMAIN, DNASE DOMAIN	Not recorded	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
1FSJ CRYSTAL STRUCTURE OF THE E9 DNASE DOMAIN Deposited 2000-09-11	Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric	Chain B 450–582（133 aa） Fragment：C-TERMINAL DOMAIN OF E9 COLICIN	Not recorded	PO4 PHOSPHATE ION × 1 ZN ZINC ION × 1	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 5.4；285 K；30% (w/v) PEG 5000, 0.1M sodium-acetate, pH 5.4, VAPOR DIFFUSION, HANGING DROP, temperature 285K	Resolution 1.80 Å R-free 0.222
1FSJ CRYSTAL STRUCTURE OF THE E9 DNASE DOMAIN Deposited 2000-09-11	Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 2 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric	Chain C 450–582（133 aa） Fragment：C-TERMINAL DOMAIN OF E9 COLICIN	Not recorded	PO4 PHOSPHATE ION × 1 ZN ZINC ION × 1	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 5.4；285 K；30% (w/v) PEG 5000, 0.1M sodium-acetate, pH 5.4, VAPOR DIFFUSION, HANGING DROP, temperature 285K	Resolution 1.80 Å R-free 0.222
1FSJ CRYSTAL STRUCTURE OF THE E9 DNASE DOMAIN Deposited 2000-09-11	Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 3 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric	Chain D 450–582（133 aa） Fragment：C-TERMINAL DOMAIN OF E9 COLICIN	Not recorded	PO4 PHOSPHATE ION × 1 ZN ZINC ION × 1	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 5.4；285 K；30% (w/v) PEG 5000, 0.1M sodium-acetate, pH 5.4, VAPOR DIFFUSION, HANGING DROP, temperature 285K	Resolution 1.80 Å R-free 0.222
1FSJ CRYSTAL STRUCTURE OF THE E9 DNASE DOMAIN Deposited 2000-09-11	Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 4 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric	Chain E 450–582（133 aa） Fragment：C-TERMINAL DOMAIN OF E9 COLICIN	Not recorded	PO4 PHOSPHATE ION × 1 ZN ZINC ION × 1	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 5.4；285 K；30% (w/v) PEG 5000, 0.1M sodium-acetate, pH 5.4, VAPOR DIFFUSION, HANGING DROP, temperature 285K	Resolution 1.80 Å R-free 0.222
1V13 CRYSTAL STRUCTURE OF THE MUTANT HIS103ALA OF THE COLICIN E9 DNASE DOMAIN IN COMPLEX WITH ZN+2 (2.0 ANGSTROMS) Deposited 2004-04-06	Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Protein homooligomer Homooligomer；Protein × 2 PDB declaration: dimeric	Chain A 450–582（133 aa） Chain B 450–582（133 aa）	Mutation：YES Mutation：YES	ZN ZINC ION × 2	X-RAY DIFFRACTION X-ray crystallization conditions pH 5.8；pH 5.80	Resolution 2.00 Å R-free 0.307
1V14 Crystal Structure of the Colicin E9, mutant His103Ala, in complex with Mg+2 and dsDNA (resolution 2.9A) Deposited 2004-04-06	Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Protein–DNA Monomer；Protein × 1 PDB declaration: trimeric	Chain A 450–582（133 aa） Fragment：C-TERMINAL DOMAIN, RESIDUES 450-582	Mutation：YES	MG MAGNESIUM ION × 2	X-RAY DIFFRACTION X-ray crystallization conditions pH 7.5；pH 7.50	Resolution 2.90 Å R-free 0.306
1V14 Crystal Structure of the Colicin E9, mutant His103Ala, in complex with Mg+2 and dsDNA (resolution 2.9A) Deposited 2004-04-06	Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 2 Protein–DNA Monomer；Protein × 1 PDB declaration: trimeric	Chain B 450–582（133 aa） Fragment：C-TERMINAL DOMAIN, RESIDUES 450-582	Mutation：YES	MG MAGNESIUM ION × 1	X-RAY DIFFRACTION X-ray crystallization conditions pH 7.5；pH 7.50	Resolution 2.90 Å R-free 0.306
1V14 Crystal Structure of the Colicin E9, mutant His103Ala, in complex with Mg+2 and dsDNA (resolution 2.9A) Deposited 2004-04-06	Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 3 Protein–DNA Monomer；Protein × 1 PDB declaration: trimeric	Chain C 450–582（133 aa） Fragment：C-TERMINAL DOMAIN, RESIDUES 450-582	Mutation：YES	MG MAGNESIUM ION × 2	X-RAY DIFFRACTION X-ray crystallization conditions pH 7.5；pH 7.50	Resolution 2.90 Å R-free 0.306
1V14 Crystal Structure of the Colicin E9, mutant His103Ala, in complex with Mg+2 and dsDNA (resolution 2.9A) Deposited 2004-04-06	Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 4 Protein–DNA Monomer；Protein × 1 PDB declaration: trimeric	Chain D 450–582（133 aa） Fragment：C-TERMINAL DOMAIN, RESIDUES 450-582	Mutation：YES	MG MAGNESIUM ION × 1	X-RAY DIFFRACTION X-ray crystallization conditions pH 7.5；pH 7.50	Resolution 2.90 Å R-free 0.306
1V15 CRYSTAL STRUCTURE OF THE COLICIN E9, MUTANT HIS103ALA, IN COMPLEX WITH ZN+2 AND DSDNA (RESOLUTION 2.4A) Deposited 2004-04-06	Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Protein–DNA Monomer；Protein × 1 PDB declaration: trimeric	Chain A 450–582（133 aa） Fragment：C-TERMINAL DOMAIN, RESIDUES 450-582	Mutation：YES	ZN ZINC ION × 2	X-RAY DIFFRACTION X-ray crystallization conditions pH 7.5；pH 7.50	Resolution 2.40 Å R-free 0.329
1V15 CRYSTAL STRUCTURE OF THE COLICIN E9, MUTANT HIS103ALA, IN COMPLEX WITH ZN+2 AND DSDNA (RESOLUTION 2.4A) Deposited 2004-04-06	Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 2 Protein–DNA Monomer；Protein × 1 PDB declaration: trimeric	Chain B 450–582（133 aa） Fragment：C-TERMINAL DOMAIN, RESIDUES 450-582	Mutation：YES	ZN ZINC ION × 2	X-RAY DIFFRACTION X-ray crystallization conditions pH 7.5；pH 7.50	Resolution 2.40 Å R-free 0.329
1V15 CRYSTAL STRUCTURE OF THE COLICIN E9, MUTANT HIS103ALA, IN COMPLEX WITH ZN+2 AND DSDNA (RESOLUTION 2.4A) Deposited 2004-04-06	Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 3 Protein–DNA Monomer；Protein × 1 PDB declaration: trimeric	Chain C 450–582（133 aa） Fragment：C-TERMINAL DOMAIN, RESIDUES 450-582	Mutation：YES	ZN ZINC ION × 2	X-RAY DIFFRACTION X-ray crystallization conditions pH 7.5；pH 7.50	Resolution 2.40 Å R-free 0.329
1V15 CRYSTAL STRUCTURE OF THE COLICIN E9, MUTANT HIS103ALA, IN COMPLEX WITH ZN+2 AND DSDNA (RESOLUTION 2.4A) Deposited 2004-04-06	Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 4 Protein–DNA Monomer；Protein × 1 PDB declaration: trimeric	Chain D 450–582（133 aa） Fragment：C-TERMINAL DOMAIN, RESIDUES 450-582	Mutation：YES	ZN ZINC ION × 2	X-RAY DIFFRACTION X-ray crystallization conditions pH 7.5；pH 7.50	Resolution 2.40 Å R-free 0.329
2GYK Crystal structure of the complex of the Colicin E9 DNase domain with a mutant immunity protein, IMME9 (D51A) Deposited 2006-05-09	Different construct Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric	Chain B 450–582（133 aa） Fragment：C-TERMINAL DOMAIN, DNASE DOMAIN	Not recorded	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	Different construct Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 2 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric	Chain F 450–582（133 aa） Fragment：C-TERMINAL DOMAIN, DNASE DOMAIN	Not recorded	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	Different construct Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric	Chain B 450–582（133 aa） Fragment：Colicin E9,C-terminal Domain,DNase Domain	Not recorded	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	Different construct Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric	Chain B 450–582（133 aa） Fragment：Colicin E9,C-terminal Domain,DNase Domain	Not recorded	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	Different construct Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric	Chain B 450–582（133 aa） Fragment：COLICIN E9,C-TERMINAL DOMAIN,DNASE DOMAIN	Not recorded	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	Different construct Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric	Chain B 450–582（133 aa） Fragment：COLICIN E9,C-TERMINAL DOMAIN,DNASE DOMAIN	Not recorded	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	Different construct Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric	Chain B 450–582（133 aa） Fragment：COLICIN E9,C-TERMINAL DOMAIN,DNASE DOMAIN	Not recorded	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	Different construct Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 2 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric	Chain F 450–582（133 aa） Fragment：COLICIN E9,C-TERMINAL DOMAIN,DNASE DOMAIN	Not recorded	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	Different construct Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric	Chain B 450–582（133 aa） Fragment：UNP residues 450-582	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	Different construct Different mutation/modification Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric	Chain B 450–582（133 aa） Fragment：DNASE DOMAIN, RESIDUES 450-582	Mutation：YES	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	Different construct Different mutation/modification Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric	Chain B 450–582（133 aa） Fragment：DNASE DOMAIN, RESIDUES 450-582	Mutation：YES	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	Different construct Different mutation/modification Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric	Chain B 450–582（133 aa） Fragment：DNASE DOMAIN, RESIDUES 450-582	Mutation：YES	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	Different construct Different mutation/modification Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric	Chain B 450–582（133 aa） Fragment：DNASE DOMAIN, RESIDUES 450-582	Mutation：YES	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
2WPT The crystal structure of Im2 in complex with colicin E9 DNase Deposited 2009-08-10	Different construct Different mutation/modification Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric	Chain B 450–582（133 aa）	Mutation：YES	GOL GLYCEROL × 2 NO3 NITRATE ION × 3	X-RAY DIFFRACTION X-ray crystallization conditions pH 6.8；pH 6.8	Resolution 1.78 Å R-free 0.223
3O0E Crystal structure of OmpF in complex with colicin peptide OBS1 Deposited 2010-07-19	Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 6 PDB declaration: hexameric	Chain L 2–18（17 aa） Fragment：UNP Residues 2-18 Chain N 2–18（17 aa） Fragment：UNP Residues 2-18 Chain P 2–18（17 aa） Fragment：UNP Residues 2-18	Not recorded	BOG octyl beta-D-glucopyranoside × 3	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 6.5；293 K；25% PEG 3350, 0.2M Li2SO4, 0.1M sodium cacodylate, pH 6.5, sitting drop vapor diffusion, temperature 293K	Resolution 3.01 Å R-free 0.302
3O0E Crystal structure of OmpF in complex with colicin peptide OBS1 Deposited 2010-07-19	Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 2 Protein heterocomplex Heteromer；Protein × 6 PDB declaration: hexameric	Chain M 2–18（17 aa） Fragment：UNP Residues 2-18 Chain O 2–18（17 aa） Fragment：UNP Residues 2-18 Chain Q 2–18（17 aa） Fragment：UNP Residues 2-18	Not recorded	BOG octyl beta-D-glucopyranoside × 3	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 6.5；293 K；25% PEG 3350, 0.2M Li2SO4, 0.1M sodium cacodylate, pH 6.5, sitting drop vapor diffusion, temperature 293K	Resolution 3.01 Å R-free 0.302
4JML Crystal structure of the TolB(P201C)-ColicinE9 TBE peptide(A33C) complex. Deposited 2013-03-14	Different construct Different mutation/modification Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric	Chain E 32–47（16 aa） Fragment：T-domain, Residues 32-47	Mutation：A33C	CA CALCIUM ION × 1	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 7.5；293 K；80mM calcium chloride, 24% PEG 5000MME, pH 7.5, VAPOR DIFFUSION, SITTING DROP, temperature 293K	Resolution 2.00 Å R-free 0.226
5EW5 Crystal Structure of Colicin E9 In Complex with Its Immunity Protein Im9 Deposited 2015-11-20	Different construct Different mutation/modification Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric	Chain A 1–582（582 aa）	Mutation：Y324C, L447C, D448A, K449M	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	Different construct Different mutation/modification Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 2 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric	Chain B 1–582（582 aa）	Mutation：Y324C, L447C, D448A, K449M	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	Different construct Different mutation/modification Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 3 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric	Chain C 1–582（582 aa）	Mutation：Y324C, L447C, D448A, K449M	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	Different construct Different mutation/modification Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 4 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric	Chain D 1–582（582 aa）	Mutation：Y324C, L447C, D448A, K449M	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
7NST ColicinE9 partial translocation complex Deposited 2021-03-08	Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 5 PDB declaration: pentameric	Chain D 1–314（314 aa）	Mutation：A33C	No recorded non-water small molecule	ELECTRON MICROSCOPY cryo-EM buffer pH 7.9 cryo-EM vitrification conditions Cryogen ETHANE；3 uL of diluted translocon preparation were applied on freshly glow discharged grids coated with graphene oxide (as described in https://doi.org/10.1038/s41594-019-0355-2); after 30sec waiting grids were blotted for 8-10 using -10 force and plunge frozen in liquid ethane	Resolution 3.70 Å
7NSU ColicinE9 intact translocation complex Deposited 2021-03-08	Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 6 PDB declaration: hexameric	Chain D 1–582（582 aa）	Mutation：A33C	No recorded non-water small molecule	ELECTRON MICROSCOPY cryo-EM buffer pH 7.9 cryo-EM vitrification conditions Cryogen ETHANE；3 uL of diluted translocon preparation were applied on freshly glow discharged grids coated with graphene oxide (as described in https://doi.org/10.1038/s41594-019-0355-2); after 30sec waiting grids were blotted for 8-10 using -10 force and plunge frozen in liquid ethane	Resolution 4.70 Å

24 other PDB entries and 39 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence

UniProt name	CEA9_ECOLI
Isoform	—
PDB entities	2
Chains and sequence ranges	Author chain E； PDBConstruct 1–16； UniProt 32–47 Author chain F； PDBConstruct 1–16； UniProt 32–47 Author chain G； PDBConstruct 1–16； UniProt 32–47 Author chain H； PDBConstruct 1–16； UniProt 32–47

The page prioritizes protein identity, the current assembly, associated components, oligomeric state and cross-PDB links. Chain mapping and sequence ranges are retained as data evidence. Internal IDs, import timestamps and assembly operation expressions are maintenance fields and are not shown here.

SAXS scattering curve SAXS Profile

P(r) Distance Distribution P(r) Distribution

Download Download SAXS (.dat) P(r) (.pr.out) CIF

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2. Structure Basics 2. Structure Basics

Entry ID entry_id	2ivz
Deposition date deposition_date	2006-06-23
Structure title title	Structure of TolB in complex with a peptide of the colicin E9 T- domain
Keywords keywords	;PROTEIN TRANSPORT/HYDROLASE, PROTEIN-PROTEIN INTERACTION, PROTEIN TRANSPORT, BACTERIOCIN TRANSPORT, TOLB, COLICIN, PLASMID, NUCLEASE, HYDROLASE, TRANSPORT, ANTIBIOTIC, PERIPLASMIC, BACTERIOCIN, NATIVELY DISORDERED PROTEINS, PROTEIN TRANSPORT-HYDROLASE COMPLEX, ENDONUCLEASE, ANTIMICROBIAL, TRANSLOCATION ;; PROTEIN TRANSPORT/HYDROLASE
Experimental Method method	X-RAY DIFFRACTION

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3. SAXS Parameters (CRYSOL theoretical calculation) 3. SAXS Parameters (CRYSOL)

Radius of gyration Rg (Guinier) rg_guinier	48.10 Å
Radius of gyration Rg (electron density) rg_electron	47.94 Å
Forward intensity I(0) i0	462678000.00
Molecular weight molecular_weight	173870.0 kDa
Excluded volume excluded_volume	215600 Å³
Envelope volume envelope_volume	308420 Å³
Hydration-shell volume shell_volume	54951 Å³
Envelope diameter envelope_diameter	169.5 Å
Shell Rg shell_rg	51.53 Å
Envelope Rg envelope_rg	45.88 Å
Shape Rg shape_rg	47.92 Å
Total Rg total_rg	48.12 Å
Total atoms total_atoms	12276
Residues n_residues	1625
Spherical-harmonic order n_harmonics	20
q range q_range	— – 0.5000 Å⁻¹
Data points n_points	101
Shell type shell_type	directional
Solvent electron density solvent_density	0.3340 e/Å³
Shell contrast contrast_shell	0.0300 e/Å³
CRYSOL version crysol_version	4.1.3

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4. P(r) Distance Distribution (GNOM inversion) 4. P(r) Analysis (GNOM)

Maximum dimension Dmax dmax	162.3 Å
Rg (real space) rg_real	48.19 Å
Rg uncertainty (real space) rg_real_error	1.62 Å
I(0) (real space) i0_real	4.6270e+08
I(0) uncertainty (real space) i0_real_error	9.2440e+06
Rg (reciprocal space) rg_reciprocal	48.11 Å
I(0) (reciprocal space) i0_reciprocal	462600000.0000
Solution quality estimate total_estimate	0.8775
Solution quality rating solution_quality	GOOD a GOOD solution
P(r) peaks n_peaks	1
Primary peak position r_peak_primary	64.0 Å
Skewness Skewness skewness	0.249
Kurtosis Kurtosis kurtosis	-0.470
Angular range angular_range	— – 0.1650 Å⁻¹
Current regularization parameter α current_alpha	0.0001
Highest regularization parameter α highest_alpha	19180000.0000
Real-space data points n_real_points	34
GNOM version gnom_version	4.1.3
Quality Criteria quality_criteria	AN1: 0.000; Oscil: 0.865; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.970; Smooth: 0.839

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5. Crystallography and Experiment 5. Crystallography & Experiment

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6. Entities and Polymers Entities & Polymers (4)

Entity 1 Entity 1 polymer

Description description	PROTEIN TOLB
Molecular weight formula_weight	47196.6 kDa
Source method src_method	man
Copy count entity_count	4

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	A,B,C,D
Atom count atom_count	13614

MMKQALRVAFGFLILWASVLHAEVRIVIDSGVDSGRPIGVVPFQWAGPGAAPEDIGGIVAADLRNSGKFNPLDRARLPQQPGSAQEVQPAAWSALGIDAVVVGQVTPNPDGSYNVAYQLVDTGGAPGTVLAQNSYKVNKQWLRYAGHTASDEVFEKLTGIKGAFRTRIAYVVQTNGGQFPYELRVSDYDGYNQFVVHRSPQPLMSPAWSPDGSKLAYVTFESGRSALVIQTLANGAVRQVASFPRHNGAPAFSPDGSKLAFALSKTGSLNLYVMDLASGQIRQVTDGRSNNTEPTWFPDSQNLAFTSDQAGRPQVYKVNINGGAPQRITWEGSQNQDADVSSDGKFMVMVSSNGGQQHIAKQDLATGGVQVLSSTFLDETPSLAPNGTMVIYSSSQGMGSVLNLVSTDGRFKARLPATDGQVKFPAWSPYLLEHHHHHH

来源 Source

来源生物 organism	ESCHERICHIA COLI
NCBI Class编号 ncbi_taxonomy_id	562
宿主生物 host_organism	ESCHERICHIA COLI

Entity 2 Entity 2 polymer

Description description	COLICIN-E9
Molecular weight formula_weight	1607.6 kDa
EC 编号 ec_number	3.1.-.-
Source method src_method	syn
Copy count entity_count	4

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	E,F,G,H

GASDGSGWSSENNPWG

Entity 3 Entity 3 non-polymer

Description description	CALCIUM ION
Molecular weight formula_weight	40.1 kDa
Source method src_method	syn
Copy count entity_count	7

Entity 4 Entity 4 water

Description description	water
Molecular weight formula_weight	18.0 kDa
Source method src_method	nat
Copy count entity_count	1242

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7. Fold Classification (SCOP + CATH) 16 domains

SCOP 2.08 (8 domains)

Domain ID domain_id	d2ivza1
Class class	b — All beta proteins
Fold Fold fold	b.68 — 6-bladed beta-propeller
Superfamily Superfamily superfamily	b.68.4 — TolB, C-terminal domain
Family Family family	b.68.4.1 — TolB, C-terminal domain

Domain ID domain_id	d2ivza2
Class class	c — Alpha and beta proteins (a/b)
Fold Fold fold	c.51 — Anticodon-binding domain-like
Superfamily Superfamily superfamily	c.51.2 — TolB, N-terminal domain
Family Family family	c.51.2.1 — TolB, N-terminal domain

Domain ID domain_id	d2ivzb1
Class class	b — All beta proteins
Fold Fold fold	b.68 — 6-bladed beta-propeller
Superfamily Superfamily superfamily	b.68.4 — TolB, C-terminal domain
Family Family family	b.68.4.1 — TolB, C-terminal domain

Domain ID domain_id	d2ivzb2
Class class	c — Alpha and beta proteins (a/b)
Fold Fold fold	c.51 — Anticodon-binding domain-like
Superfamily Superfamily superfamily	c.51.2 — TolB, N-terminal domain
Family Family family	c.51.2.1 — TolB, N-terminal domain

Domain ID domain_id	d2ivzc1
Class class	b — All beta proteins
Fold Fold fold	b.68 — 6-bladed beta-propeller
Superfamily Superfamily superfamily	b.68.4 — TolB, C-terminal domain
Family Family family	b.68.4.1 — TolB, C-terminal domain

Domain ID domain_id	d2ivzc2
Class class	c — Alpha and beta proteins (a/b)
Fold Fold fold	c.51 — Anticodon-binding domain-like
Superfamily Superfamily superfamily	c.51.2 — TolB, N-terminal domain
Family Family family	c.51.2.1 — TolB, N-terminal domain

Domain ID domain_id	d2ivzd1
Class class	b — All beta proteins
Fold Fold fold	b.68 — 6-bladed beta-propeller
Superfamily Superfamily superfamily	b.68.4 — TolB, C-terminal domain
Family Family family	b.68.4.1 — TolB, C-terminal domain

Domain ID domain_id	d2ivzd2
Class class	c — Alpha and beta proteins (a/b)
Fold Fold fold	c.51 — Anticodon-binding domain-like
Superfamily Superfamily superfamily	c.51.2 — TolB, N-terminal domain
Family Family family	c.51.2.1 — TolB, N-terminal domain

CATH v4.4 (8 domains)

Domain ID domain_id	2ivzA01
Class class	3 — Alpha Beta
Architecture architecture	40 — 3-Layer(aba) Sandwich
Topology topology	50 — Rossmann fold
Homologous superfamily homologous superfamily	10070 — TolB, N-terminal domain

Domain ID domain_id	2ivzA02
Class class	2 — Mainly Beta
Architecture architecture	120 — 6 Propeller
Topology topology	10 — Neuraminidase
Homologous superfamily homologous superfamily	30 — TolB, C-terminal domain

Domain ID domain_id	2ivzB01
Class class	3 — Alpha Beta
Architecture architecture	40 — 3-Layer(aba) Sandwich
Topology topology	50 — Rossmann fold
Homologous superfamily homologous superfamily	10070 — TolB, N-terminal domain

Domain ID domain_id	2ivzB02
Class class	2 — Mainly Beta
Architecture architecture	120 — 6 Propeller
Topology topology	10 — Neuraminidase
Homologous superfamily homologous superfamily	30 — TolB, C-terminal domain

Domain ID domain_id	2ivzC01
Class class	3 — Alpha Beta
Architecture architecture	40 — 3-Layer(aba) Sandwich
Topology topology	50 — Rossmann fold
Homologous superfamily homologous superfamily	10070 — TolB, N-terminal domain

Domain ID domain_id	2ivzC02
Class class	2 — Mainly Beta
Architecture architecture	120 — 6 Propeller
Topology topology	10 — Neuraminidase
Homologous superfamily homologous superfamily	30 — TolB, C-terminal domain

Domain ID domain_id	2ivzD01
Class class	3 — Alpha Beta
Architecture architecture	40 — 3-Layer(aba) Sandwich
Topology topology	50 — Rossmann fold
Homologous superfamily homologous superfamily	10070 — TolB, N-terminal domain

Domain ID domain_id	2ivzD02
Class class	2 — Mainly Beta
Architecture architecture	120 — 6 Propeller
Topology topology	10 — Neuraminidase
Homologous superfamily homologous superfamily	30 — TolB, C-terminal domain

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8. Citations (3)

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Unit-cell length a length_a	130.092 Å
Unit-cell length b length_b	39.933 Å
Unit-cell length c length_c	154.848 Å
Unit-cell angle α angle_alpha	90.00 °
Unit-cell angle β angle_beta	110.62 °
Unit-cell angle γ angle_gamma	90.00 °
Molecules per unit cell Z z_pdb	8

Space group space_group	P 1 21 1
Space-group number int_tables_number	4
Crystal system crystal_system	—

Resolution resolution	2.000 Å
Low-resolution limit resolution_low	144.340 Å
R factor r_factor	0.1700
R_work r_work	0.1680
R_free r_free	0.2220

fit	/app/data/saxs_computation/iv/2ivz/2ivz.fit
pddf	/app/data/pr_computation/iv/2ivz/2ivz.pr.out
profile	/app/data/saxs_computation/iv/2ivz/2ivz.dat

Structure of TolB in complex with a peptide of the colicin E9 T- domain

1. Protein Identity and Related Structures Protein Identity & Related Structures

PROTEIN TOLB

State in the Current Structure

Other States of the Same Protein in the Database

COLICIN-E9

State in the Current Structure

Other States of the Same Protein in the Database

SAXS scattering curve SAXS Profile

P(r) Distance Distribution P(r) Distribution

2. Structure Basics 2. Structure Basics

3. SAXS Parameters (CRYSOL theoretical calculation) 3. SAXS Parameters (CRYSOL)

4. P(r) Distance Distribution (GNOM inversion) 4. P(r) Analysis (GNOM)

5. Crystallography and Experiment 5. Crystallography & Experiment

Unit cell Unit Cell

Symmetry Symmetry

Refinement Refinement

Diffraction experiment Diffraction

6. Entities and Polymers Entities & Polymers (4)

Entity 1 Entity 1 polymer

Polymer Polymer

来源 Source

Entity 2 Entity 2 polymer

Polymer Polymer

Entity 3 Entity 3 non-polymer

Entity 4 Entity 4 water

7. Fold Classification (SCOP + CATH) 16 domains

SCOP 2.08 (8 domains)

CATH v4.4 (8 domains)

8. Citations (3)

9. Files and Curves (10)

Files (7)

Curves (3)