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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：P08190 New Search
16PDB entries
24Biological assembly
24chain/assembly records
Main Difference Dimensions in This Set
Different construct 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
3BFQ Crystal structure of truncated FimG (FimGt) in complex with the donor strand peptide of FimF (DSF) Deposited 2007-11-23 Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain G 36–167（132 aa） Fragment：sequence database residues 36-167
Not recorded CO COBALT (II) ION × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；293 K；20 mM Tris/HCl, pH 8.0, 80 mM NaCl, 27.5% PEG 1500, 20 mM cobalt chloride, VAPOR DIFFUSION, SITTING DROP, temperature 293K
Resolution 1.34 Å R-free 0.179
3BFW Crystal structure of truncated FimG (FimGt) in complex with the donor strand peptide of FimF (DSF) Deposited 2007-11-23 Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain A 36–167（132 aa） Fragment：sequence database residues 36-167
Not recorded YT3 YTTRIUM (III) ION × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；293 K；20 mM Tris/HCl, pH 8.0, 80 mM NaCl, 27.5% PEG 1500, 20 mM yttrium chloride, VAPOR DIFFUSION, SITTING DROP, temperature 293K
Resolution 1.80 Å R-free 0.238
3BFW Crystal structure of truncated FimG (FimGt) in complex with the donor strand peptide of FimF (DSF) Deposited 2007-11-23 Assembly 2 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain C 36–167（132 aa） Fragment：sequence database residues 36-167
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；293 K；20 mM Tris/HCl, pH 8.0, 80 mM NaCl, 27.5% PEG 1500, 20 mM yttrium chloride, VAPOR DIFFUSION, SITTING DROP, temperature 293K
Resolution 1.80 Å R-free 0.238
3JWN Complex of FimC, FimF, FimG and FimH Deposited 2009-09-18 Assembly 1 Protein heterocomplex Heteromer；Protein × 5 PDB declaration: pentameric（5） Consistent with protein count
Chain G 24–167（144 aa）
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 4.1；293 K；1.6 M potassium chloride, 0.1 M sodium citrate, pH 4.1, VAPOR DIFFUSION, SITTING DROP, temperature 293K
Resolution 2.69 Å R-free 0.272
3JWN Complex of FimC, FimF, FimG and FimH Deposited 2009-09-18 Assembly 2 Protein heterocomplex Heteromer；Protein × 5 PDB declaration: pentameric（5） Consistent with protein count
Chain M 24–167（144 aa）
Not recorded GOL GLYCEROL × 2 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 4.1；293 K；1.6 M potassium chloride, 0.1 M sodium citrate, pH 4.1, VAPOR DIFFUSION, SITTING DROP, temperature 293K
Resolution 2.69 Å R-free 0.272
4J3O Crystal structure of the FimD usher traversed by the pilus tip complex assembly composed of FimC:FimF:FimG:FimH Deposited 2013-02-06 Assembly 1 Protein heterocomplex Heteromer；Protein × 5 PDB declaration: pentameric（5） Consistent with protein count
Chain G 24–167（144 aa） Fragment：UNP residues 24-167
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 8.5；298 K；1.6-2.0M sodium formate, pH 8.5, VAPOR DIFFUSION, HANGING DROP, temperature 298K
Resolution 3.80 Å R-free 0.299
5IQM Crystal structure of the E. coli type 1 pilus subunit FimG (engineered variant with substitution Q134E; N-terminal FimG residues 1-12 truncated) in complex with the donor strand peptide DsF_T4R-T6R-D13N Deposited 2016-03-11 Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain G 36–167（132 aa） Fragment：UNP residues 36-167
Not recorded CO COBALT (II) ION × 3 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；293 K；MOPS-NaOH pH 7.0 (RT), PEG-1500, NaCl, CoCl2
Resolution 1.50 Å R-free 0.185
5IQM Crystal structure of the E. coli type 1 pilus subunit FimG (engineered variant with substitution Q134E; N-terminal FimG residues 1-12 truncated) in complex with the donor strand peptide DsF_T4R-T6R-D13N Deposited 2016-03-11 Assembly 2 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain A 36–167（132 aa） Fragment：UNP residues 36-167
Not recorded CO COBALT (II) ION × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；293 K；MOPS-NaOH pH 7.0 (RT), PEG-1500, NaCl, CoCl2
Resolution 1.50 Å R-free 0.185
5IQN Crystal structure of the E. coli type 1 pilus subunit FimG (engineered variant with substitution Q134E; N-terminal FimG residues 1-12 truncated) in complex with the donor strand peptide DsF_SRIRIRGYVR Deposited 2016-03-11 Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain A 36–167（132 aa） Fragment：UNP residues 36-167
Not recorded CO COBALT (II) ION × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；293 K；MOPS-NaOH pH 6.8 (RT), PEG-1500, CoCl2, NaCl
Resolution 1.00 Å R-free 0.146
5IQN Crystal structure of the E. coli type 1 pilus subunit FimG (engineered variant with substitution Q134E; N-terminal FimG residues 1-12 truncated) in complex with the donor strand peptide DsF_SRIRIRGYVR Deposited 2016-03-11 Assembly 2 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain G 36–167（132 aa） Fragment：UNP residues 36-167
Not recorded CO COBALT (II) ION × 1 EDO 1,2-ETHANEDIOL × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；293 K；MOPS-NaOH pH 6.8 (RT), PEG-1500, CoCl2, NaCl
Resolution 1.00 Å R-free 0.146
5IQO Crystal structure of the E. coli type 1 pilus subunit FimG (engineered variant with substitutions Q134E and S138E; N-terminal FimG residues 1-12 truncated) in complex with the donor strand peptide DsF_T4R-T6R-D13N Deposited 2016-03-11 Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain A 36–167（132 aa）
Not recorded CO COBALT (II) ION × 4 EDO 1,2-ETHANEDIOL × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；293 K；MOPS-NaOH pH 7.6 (RT), PEG-1500, CoCl2, NaCl
Resolution 1.30 Å R-free 0.170
5IQO Crystal structure of the E. coli type 1 pilus subunit FimG (engineered variant with substitutions Q134E and S138E; N-terminal FimG residues 1-12 truncated) in complex with the donor strand peptide DsF_T4R-T6R-D13N Deposited 2016-03-11 Assembly 2 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain C 36–167（132 aa）
Not recorded CO COBALT (II) ION × 1 1PE PENTAETHYLENE GLYCOL × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；293 K；MOPS-NaOH pH 7.6 (RT), PEG-1500, CoCl2, NaCl
Resolution 1.30 Å R-free 0.170
6E14 Handover mechanism of the growing pilus by the bacterial outer membrane usher FimD Deposited 2018-07-09 Assembly 1 Protein heterocomplex Heteromer；Protein × 5 PDB declaration: pentameric（5） Consistent with protein count
Chain G 11–167（157 aa）
Not recorded No recorded non-water small molecule ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 4.00 Å
6E15 Handover mechanism of the growing pilus by the bacterial outer membrane usher FimD Deposited 2018-07-09 Assembly 1 Protein heterocomplex Heteromer；Protein × 5 PDB declaration: pentameric（5） Consistent with protein count
Chain G 11–167（157 aa）
Not recorded No recorded non-water small molecule ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 5.10 Å
8V3J Structure-Based Engineering of a Highly Immunogenic, Conformationally Stabilized FimH Antigen for a Urinary Tract Infection Vaccine Deposited 2023-11-28 Assembly 1 Insufficient information Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain A 24–37（14 aa）
Mutation：N7S,G15A,G16A,V27A,N70S,N228Q NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 4.5；293 K；0.1 M Sodium Acetate (pH 4.5), 25% (w/v) PEG 3350
Resolution 1.90 Å R-free 0.238
8V3J Structure-Based Engineering of a Highly Immunogenic, Conformationally Stabilized FimH Antigen for a Urinary Tract Infection Vaccine Deposited 2023-11-28 Assembly 2 Insufficient information Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain B 24–37（14 aa）
Mutation：N7S,G15A,G16A,V27A,N70S,N228Q NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 4.5；293 K；0.1 M Sodium Acetate (pH 4.5), 25% (w/v) PEG 3350
Resolution 1.90 Å R-free 0.238
8V3J Structure-Based Engineering of a Highly Immunogenic, Conformationally Stabilized FimH Antigen for a Urinary Tract Infection Vaccine Deposited 2023-11-28 Assembly 3 Insufficient information Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain C 24–37（14 aa）
Mutation：N7S,G15A,G16A,V27A,N70S,N228Q NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 4.5；293 K；0.1 M Sodium Acetate (pH 4.5), 25% (w/v) PEG 3350
Resolution 1.90 Å R-free 0.238
8V3J Structure-Based Engineering of a Highly Immunogenic, Conformationally Stabilized FimH Antigen for a Urinary Tract Infection Vaccine Deposited 2023-11-28 Assembly 4 Insufficient information Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain D 24–37（14 aa）
Mutation：N7S,G15A,G16A,V27A,N70S,N228Q NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 4.5；293 K；0.1 M Sodium Acetate (pH 4.5), 25% (w/v) PEG 3350
Resolution 1.90 Å R-free 0.238
8V93 Cryo-EM structure of E. coli FimH lectin domain bound to Fabs 329-2 and 454-3 Deposited 2023-12-07 Assembly 1 Insufficient information Heteromer；Protein × 5 PDB declaration: pentameric（5） Consistent with protein count
Chain D 24–37（14 aa）
Mutation：N7S, G15A, G16A, V27A, N70S, N228Q within FimH No recorded non-water small molecule ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.12 Å
9D6F Cryo-EM structure of E. coli FimH lectin domain bound to Fabs 440-2 and 454-3 Deposited 2024-08-15 Assembly 1 Insufficient information Heteromer；Protein × 5 PDB declaration: pentameric（5） Consistent with protein count
Chain D 24–37（14 aa）
Mutation：N7S, G15A, G16A, V27A, N70S, N228Q within FimH No recorded non-water small molecule ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 4.24 Å
9FY9 Cryo-EM structure of the type 1 chaperone-usher pilus FimD-tip complex (FimDHGFC) - Conformer 1 Deposited 2024-07-03 Assembly 1 Protein heterocomplex Heteromer；Protein × 5 PDB declaration: pentameric（5） Consistent with protein count
Chain G 24–167（144 aa）
Not recorded No recorded non-water small molecule ELECTRON MICROSCOPY
cryo-EM buffer pH 8
cryo-EM vitrification conditions Cryogen ETHANE-PROPANE
Resolution 3.30 Å
9ME4 Antibody fragments from mAb475 and mAb824 bound to the adhesin protein FimH Deposited 2024-12-06 Assembly 1 Other combination Heteromer；Protein × 6 PDB declaration: hexameric（6） Consistent with protein count
Chain G 1–167（167 aa）
Not recorded No recorded non-water small molecule ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.20 Å
9ME5 Antibody fragments from mAb824 and mAb926 bound to the adhesin protein FimH Deposited 2024-12-06 Assembly 1 Protein heterocomplex Heteromer；Protein × 6 PDB declaration: hexameric（6） Consistent with protein count
Chain G 1–167（167 aa）
Not recorded No recorded non-water small molecule ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.10 Å
9PTM Antibody fragment from mAb824 bound to the adhesin protein FimH. Deposited 2025-07-29 Assembly 1 Protein heterocomplex Heteromer；Protein × 4 PDB declaration: tetrameric（4） Consistent with protein count
Chain G 1–167（167 aa）
Not recorded No recorded non-water small molecule ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.40 Å

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.