9fxs

Cryo-EM structure of the type 1 pilus complex including pilus rod and FimI-bound assembly platform after incorporation of two FimI subunits - Local refinement

Method: ELECTRON MICROSCOPY D_max: 107.9 Å Quality: GOOD

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

Fimbrin-like protein FimI

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 × 4 PDB declaration: tetrameric（4） Consistent with protein copy count	Chain B； UniProt 20–179 Chain I； UniProt 20–179	Not recorded	Chaperone protein FimC × 1 （P31697） Outer membrane usher protein FimD × 1 （P30130）	ELECTRON MICROSCOPY cryo-EM buffer：pH 8 cryo-EM vitrification conditions：Cryogen ETHANE-PROPANE	Resolution 4.20 Å

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 9FXS	Assembly / Oligomeric State	Construct	Mutations and Modifications	Ligands, Ions and Non-polymers	Method and Experimental Conditions	Structure Quality
6SWH Crystal structure of the ternary complex between the type 1 pilus proteins FimC, FimI and FimA from E. coli Deposited 2019-09-20	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 × 3 PDB declaration: trimeric	Chain B 20–179（160 aa）	Not recorded	PEG DI(HYDROXYETHYL)ETHER × 1 EDO 1,2-ETHANEDIOL × 1	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION；293 K；0.8 M sodium formate, 100 mM Tris/acetic acid pH 8.5, 16% PEG 4000 (w/v)	Resolution 2.80 Å R-free 0.207
6SWH Crystal structure of the ternary complex between the type 1 pilus proteins FimC, FimI and FimA from E. coli Deposited 2019-09-20	Different construct Different mutation/modification Different oligomeric state Different experimental method Different experimental conditions Different structure-quality metrics	Assembly 2 Protein heterocomplex Heteromer；Protein × 3 PDB declaration: trimeric	Chain E 20–179（160 aa）	Not recorded	No recorded non-water small molecule	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION；293 K；0.8 M sodium formate, 100 mM Tris/acetic acid pH 8.5, 16% PEG 4000 (w/v)	Resolution 2.80 Å R-free 0.207
7B0W Crystal structure of the E. coli type 1 pilus assembly inhibitor FimI bound to FimC Deposited 2020-11-23	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 × 2 PDB declaration: dimeric	Chain I 40–179（140 aa）	Not recorded	EDO 1,2-ETHANEDIOL × 2 FMT FORMIC ACID × 10	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；277 K；4.5 M sodium formate, 0.1 M sodium cacodylate pH 6.5	Resolution 1.75 Å R-free 0.187
7B0X Crystal structure of the ternary complex of the E. coli type 1 pilus proteins FimC, FimI and the N-terminal domain of FimD Deposited 2020-11-23	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 × 3 PDB declaration: trimeric	Chain I 40–179（140 aa）	Not recorded	EDO 1,2-ETHANEDIOL × 1	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；277 K；0.1 M Hepes pH 8.4, 15 % PEG 4000	Resolution 1.70 Å R-free 0.252
9FX8 Cryo-EM structure of the FimI-bound type 1 pilus assembly platform complex - Local refinement Deposited 2024-07-01	Different construct Different mutation/modification Different oligomeric state Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 3 PDB declaration: trimeric	Chain I 20–179（160 aa）	Not recorded	No recorded non-water small molecule	ELECTRON MICROSCOPY cryo-EM buffer pH 8 cryo-EM vitrification conditions Cryogen ETHANE-PROPANE	Resolution 3.60 Å
9FXB Cryo-EM structure of the type 1 pilus assembly platform as part of the FimI-bound chaperone-usher pilus complex (FimDHGFAnIC - body 2) Deposited 2024-07-01	Different construct Different mutation/modification Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 4 PDB declaration: tetrameric	Chain I 20–179（160 aa）	Not recorded	No recorded non-water small molecule	ELECTRON MICROSCOPY cryo-EM buffer pH 8 cryo-EM vitrification conditions Cryogen ETHANE-PROPANE	Resolution 4.30 Å

5 other PDB entries and 6 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence

UniProt name	FIMI_ECOLI
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain B； PDBConstruct 1–160； UniProt 20–179 Author chain I； PDBConstruct 1–160； UniProt 20–179

Chaperone protein FimC

Escherichia coli

UniProt P31697

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 × 4 PDB declaration: tetrameric（4） Consistent with protein copy count	Chain C； UniProt 37–241	Not recorded	Fimbrin-like protein FimI × 2 （P39264） Outer membrane usher protein FimD × 1 （P30130）	ELECTRON MICROSCOPY cryo-EM buffer：pH 8 cryo-EM vitrification conditions：Cryogen ETHANE-PROPANE	Resolution 4.20 Å

Other States of the Same Protein in the Database

Other PDB	Difference from Current Entry 9FXS	Assembly / Oligomeric State	Construct	Mutations and Modifications	Ligands, Ions and Non-polymers	Method and Experimental Conditions	Structure Quality
1BF8 PERIPLASMIC CHAPERONE FIMC, NMR, 20 STRUCTURES Deposited 1998-05-28	Different oligomeric state Different experimental method Different experimental conditions Different structure-quality metrics	Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric	Chain A 37–241（205 aa）	Not recorded	No recorded non-water small molecule	SOLUTION NMR NMR measurement conditions pH 5；311 K	Resolution not provided
1KIU FimH adhesin Q133N mutant-FimC chaperone complex with methyl-alpha-D-mannose Deposited 2001-12-03	Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric	Chain A 37–241（205 aa）	Not recorded	MMA methyl alpha-D-mannopyranoside × 1	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 8.2；297 K；ammonium sulphate, pH 8.2, VAPOR DIFFUSION, SITTING DROP, temperature 297K	Resolution 3.00 Å R-free 0.278
1KIU FimH adhesin Q133N mutant-FimC chaperone complex with methyl-alpha-D-mannose Deposited 2001-12-03	Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics	Assembly 10 Protein heterocomplex Heteromer；Protein × 8 PDB declaration: octameric	Chain A 37–241（205 aa） Chain G 37–241（205 aa） Chain K 37–241（205 aa） Chain O 37–241（205 aa）	Not recorded	MMA methyl alpha-D-mannopyranoside × 4	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 8.2；297 K；ammonium sulphate, pH 8.2, VAPOR DIFFUSION, SITTING DROP, temperature 297K	Resolution 3.00 Å R-free 0.278
1KIU FimH adhesin Q133N mutant-FimC chaperone complex with methyl-alpha-D-mannose Deposited 2001-12-03	Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics	Assembly 11 Protein heterocomplex Heteromer；Protein × 8 PDB declaration: octameric	Chain E 37–241（205 aa） Chain M 37–241（205 aa）	Not recorded	MMA methyl alpha-D-mannopyranoside × 4	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 8.2；297 K；ammonium sulphate, pH 8.2, VAPOR DIFFUSION, SITTING DROP, temperature 297K	Resolution 3.00 Å R-free 0.278
1KIU FimH adhesin Q133N mutant-FimC chaperone complex with methyl-alpha-D-mannose Deposited 2001-12-03	Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics	Assembly 2 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric	Chain C 37–241（205 aa）	Not recorded	MMA methyl alpha-D-mannopyranoside × 1	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 8.2；297 K；ammonium sulphate, pH 8.2, VAPOR DIFFUSION, SITTING DROP, temperature 297K	Resolution 3.00 Å R-free 0.278
1KIU FimH adhesin Q133N mutant-FimC chaperone complex with methyl-alpha-D-mannose Deposited 2001-12-03	Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics	Assembly 3 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric	Chain E 37–241（205 aa）	Not recorded	MMA methyl alpha-D-mannopyranoside × 1	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 8.2；297 K；ammonium sulphate, pH 8.2, VAPOR DIFFUSION, SITTING DROP, temperature 297K	Resolution 3.00 Å R-free 0.278
1KIU FimH adhesin Q133N mutant-FimC chaperone complex with methyl-alpha-D-mannose Deposited 2001-12-03	Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics	Assembly 4 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric	Chain G 37–241（205 aa）	Not recorded	MMA methyl alpha-D-mannopyranoside × 1	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 8.2；297 K；ammonium sulphate, pH 8.2, VAPOR DIFFUSION, SITTING DROP, temperature 297K	Resolution 3.00 Å R-free 0.278
1KIU FimH adhesin Q133N mutant-FimC chaperone complex with methyl-alpha-D-mannose Deposited 2001-12-03	Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics	Assembly 5 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric	Chain I 37–241（205 aa）	Not recorded	MMA methyl alpha-D-mannopyranoside × 1	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 8.2；297 K；ammonium sulphate, pH 8.2, VAPOR DIFFUSION, SITTING DROP, temperature 297K	Resolution 3.00 Å R-free 0.278
1KIU FimH adhesin Q133N mutant-FimC chaperone complex with methyl-alpha-D-mannose Deposited 2001-12-03	Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics	Assembly 6 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric	Chain K 37–241（205 aa）	Not recorded	MMA methyl alpha-D-mannopyranoside × 1	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 8.2；297 K；ammonium sulphate, pH 8.2, VAPOR DIFFUSION, SITTING DROP, temperature 297K	Resolution 3.00 Å R-free 0.278
1KIU FimH adhesin Q133N mutant-FimC chaperone complex with methyl-alpha-D-mannose Deposited 2001-12-03	Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics	Assembly 7 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric	Chain M 37–241（205 aa）	Not recorded	MMA methyl alpha-D-mannopyranoside × 1	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 8.2；297 K；ammonium sulphate, pH 8.2, VAPOR DIFFUSION, SITTING DROP, temperature 297K	Resolution 3.00 Å R-free 0.278
1KIU FimH adhesin Q133N mutant-FimC chaperone complex with methyl-alpha-D-mannose Deposited 2001-12-03	Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics	Assembly 8 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric	Chain O 37–241（205 aa）	Not recorded	MMA methyl alpha-D-mannopyranoside × 1	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 8.2；297 K；ammonium sulphate, pH 8.2, VAPOR DIFFUSION, SITTING DROP, temperature 297K	Resolution 3.00 Å R-free 0.278
1KIU FimH adhesin Q133N mutant-FimC chaperone complex with methyl-alpha-D-mannose Deposited 2001-12-03	Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics	Assembly 9 Protein heterocomplex Heteromer；Protein × 8 PDB declaration: octameric	Chain C 37–241（205 aa） Chain I 37–241（205 aa）	Not recorded	MMA methyl alpha-D-mannopyranoside × 4	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 8.2；297 K；ammonium sulphate, pH 8.2, VAPOR DIFFUSION, SITTING DROP, temperature 297K	Resolution 3.00 Å R-free 0.278
1KLF FIMH ADHESIN-FIMC CHAPERONE COMPLEX WITH D-MANNOSE Deposited 2001-12-11	Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric	Chain A 37–241（205 aa）	Not recorded	MAN alpha-D-mannopyranose × 1	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 8.2；298 K；ammonium suplhate, pH 8.20, VAPOR DIFFUSION, SITTING DROP, temperature 298K	Resolution 2.79 Å R-free 0.280
1KLF FIMH ADHESIN-FIMC CHAPERONE COMPLEX WITH D-MANNOSE Deposited 2001-12-11	Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics	Assembly 2 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric	Chain C 37–241（205 aa）	Not recorded	MAN alpha-D-mannopyranose × 1	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 8.2；298 K；ammonium suplhate, pH 8.20, VAPOR DIFFUSION, SITTING DROP, temperature 298K	Resolution 2.79 Å R-free 0.280
1KLF FIMH ADHESIN-FIMC CHAPERONE COMPLEX WITH D-MANNOSE Deposited 2001-12-11	Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics	Assembly 3 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric	Chain E 37–241（205 aa）	Not recorded	MAN alpha-D-mannopyranose × 1	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 8.2；298 K；ammonium suplhate, pH 8.20, VAPOR DIFFUSION, SITTING DROP, temperature 298K	Resolution 2.79 Å R-free 0.280
1KLF FIMH ADHESIN-FIMC CHAPERONE COMPLEX WITH D-MANNOSE Deposited 2001-12-11	Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics	Assembly 4 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric	Chain G 37–241（205 aa）	Not recorded	MAN alpha-D-mannopyranose × 1	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 8.2；298 K；ammonium suplhate, pH 8.20, VAPOR DIFFUSION, SITTING DROP, temperature 298K	Resolution 2.79 Å R-free 0.280
1KLF FIMH ADHESIN-FIMC CHAPERONE COMPLEX WITH D-MANNOSE Deposited 2001-12-11	Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics	Assembly 5 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric	Chain I 37–241（205 aa）	Not recorded	MAN alpha-D-mannopyranose × 1	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 8.2；298 K；ammonium suplhate, pH 8.20, VAPOR DIFFUSION, SITTING DROP, temperature 298K	Resolution 2.79 Å R-free 0.280
1KLF FIMH ADHESIN-FIMC CHAPERONE COMPLEX WITH D-MANNOSE Deposited 2001-12-11	Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics	Assembly 6 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric	Chain K 37–241（205 aa）	Not recorded	MAN alpha-D-mannopyranose × 1	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 8.2；298 K；ammonium suplhate, pH 8.20, VAPOR DIFFUSION, SITTING DROP, temperature 298K	Resolution 2.79 Å R-free 0.280
1KLF FIMH ADHESIN-FIMC CHAPERONE COMPLEX WITH D-MANNOSE Deposited 2001-12-11	Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics	Assembly 7 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric	Chain M 37–241（205 aa）	Not recorded	MAN alpha-D-mannopyranose × 1	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 8.2；298 K；ammonium suplhate, pH 8.20, VAPOR DIFFUSION, SITTING DROP, temperature 298K	Resolution 2.79 Å R-free 0.280
1KLF FIMH ADHESIN-FIMC CHAPERONE COMPLEX WITH D-MANNOSE Deposited 2001-12-11	Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics	Assembly 8 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric	Chain O 37–241（205 aa）	Not recorded	MAN alpha-D-mannopyranose × 1	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 8.2；298 K；ammonium suplhate, pH 8.20, VAPOR DIFFUSION, SITTING DROP, temperature 298K	Resolution 2.79 Å R-free 0.280
1QUN X-RAY STRUCTURE OF THE FIMC-FIMH CHAPERONE ADHESIN COMPLEX FROM UROPATHOGENIC E.COLI Deposited 1999-07-01	Different oligomeric state Different experimental method Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric	Chain A 37–241（205 aa）	Not recorded	No recorded non-water small molecule	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 8.4；289 K；Ammonium Sulphate, Tris, pH 8.4, VAPOR DIFFUSION, HANGING DROP, temperature 289K	Resolution 2.80 Å R-free 0.268
1QUN X-RAY STRUCTURE OF THE FIMC-FIMH CHAPERONE ADHESIN COMPLEX FROM UROPATHOGENIC E.COLI Deposited 1999-07-01	Different construct Different mutation/modification Different oligomeric state Different experimental method Different experimental conditions Different structure-quality metrics	Assembly 10 Protein heterocomplex Heteromer；Protein × 8 PDB declaration: octameric	Chain A 37–241（205 aa） Chain G 37–241（205 aa） Chain K 37–241（205 aa） Chain O 37–241（205 aa）	Not recorded	No recorded non-water small molecule	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 8.4；289 K；Ammonium Sulphate, Tris, pH 8.4, VAPOR DIFFUSION, HANGING DROP, temperature 289K	Resolution 2.80 Å R-free 0.268
1QUN X-RAY STRUCTURE OF THE FIMC-FIMH CHAPERONE ADHESIN COMPLEX FROM UROPATHOGENIC E.COLI Deposited 1999-07-01	Different construct Different mutation/modification Different oligomeric state Different experimental method Different experimental conditions Different structure-quality metrics	Assembly 11 Protein heterocomplex Heteromer；Protein × 8 PDB declaration: octameric	Chain C 37–241（205 aa） Chain I 37–241（205 aa）	Not recorded	No recorded non-water small molecule	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 8.4；289 K；Ammonium Sulphate, Tris, pH 8.4, VAPOR DIFFUSION, HANGING DROP, temperature 289K	Resolution 2.80 Å R-free 0.268
1QUN X-RAY STRUCTURE OF THE FIMC-FIMH CHAPERONE ADHESIN COMPLEX FROM UROPATHOGENIC E.COLI Deposited 1999-07-01	Different oligomeric state Different experimental method Different experimental conditions Different structure-quality metrics	Assembly 2 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric	Chain C 37–241（205 aa）	Not recorded	No recorded non-water small molecule	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 8.4；289 K；Ammonium Sulphate, Tris, pH 8.4, VAPOR DIFFUSION, HANGING DROP, temperature 289K	Resolution 2.80 Å R-free 0.268
1QUN X-RAY STRUCTURE OF THE FIMC-FIMH CHAPERONE ADHESIN COMPLEX FROM UROPATHOGENIC E.COLI Deposited 1999-07-01	Different oligomeric state Different experimental method Different experimental conditions Different structure-quality metrics	Assembly 3 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric	Chain E 37–241（205 aa）	Not recorded	No recorded non-water small molecule	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 8.4；289 K；Ammonium Sulphate, Tris, pH 8.4, VAPOR DIFFUSION, HANGING DROP, temperature 289K	Resolution 2.80 Å R-free 0.268
1QUN X-RAY STRUCTURE OF THE FIMC-FIMH CHAPERONE ADHESIN COMPLEX FROM UROPATHOGENIC E.COLI Deposited 1999-07-01	Different oligomeric state Different experimental method Different experimental conditions Different structure-quality metrics	Assembly 4 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric	Chain G 37–241（205 aa）	Not recorded	No recorded non-water small molecule	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 8.4；289 K；Ammonium Sulphate, Tris, pH 8.4, VAPOR DIFFUSION, HANGING DROP, temperature 289K	Resolution 2.80 Å R-free 0.268
1QUN X-RAY STRUCTURE OF THE FIMC-FIMH CHAPERONE ADHESIN COMPLEX FROM UROPATHOGENIC E.COLI Deposited 1999-07-01	Different oligomeric state Different experimental method Different experimental conditions Different structure-quality metrics	Assembly 5 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric	Chain I 37–241（205 aa）	Not recorded	No recorded non-water small molecule	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 8.4；289 K；Ammonium Sulphate, Tris, pH 8.4, VAPOR DIFFUSION, HANGING DROP, temperature 289K	Resolution 2.80 Å R-free 0.268
1QUN X-RAY STRUCTURE OF THE FIMC-FIMH CHAPERONE ADHESIN COMPLEX FROM UROPATHOGENIC E.COLI Deposited 1999-07-01	Different oligomeric state Different experimental method Different experimental conditions Different structure-quality metrics	Assembly 6 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric	Chain K 37–241（205 aa）	Not recorded	No recorded non-water small molecule	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 8.4；289 K；Ammonium Sulphate, Tris, pH 8.4, VAPOR DIFFUSION, HANGING DROP, temperature 289K	Resolution 2.80 Å R-free 0.268
1QUN X-RAY STRUCTURE OF THE FIMC-FIMH CHAPERONE ADHESIN COMPLEX FROM UROPATHOGENIC E.COLI Deposited 1999-07-01	Different oligomeric state Different experimental method Different experimental conditions Different structure-quality metrics	Assembly 7 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric	Chain M 37–241（205 aa）	Not recorded	No recorded non-water small molecule	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 8.4；289 K；Ammonium Sulphate, Tris, pH 8.4, VAPOR DIFFUSION, HANGING DROP, temperature 289K	Resolution 2.80 Å R-free 0.268
1QUN X-RAY STRUCTURE OF THE FIMC-FIMH CHAPERONE ADHESIN COMPLEX FROM UROPATHOGENIC E.COLI Deposited 1999-07-01	Different oligomeric state Different experimental method Different experimental conditions Different structure-quality metrics	Assembly 8 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric	Chain O 37–241（205 aa）	Not recorded	No recorded non-water small molecule	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 8.4；289 K；Ammonium Sulphate, Tris, pH 8.4, VAPOR DIFFUSION, HANGING DROP, temperature 289K	Resolution 2.80 Å R-free 0.268
1QUN X-RAY STRUCTURE OF THE FIMC-FIMH CHAPERONE ADHESIN COMPLEX FROM UROPATHOGENIC E.COLI Deposited 1999-07-01	Different construct Different mutation/modification Different oligomeric state Different experimental method Different experimental conditions Different structure-quality metrics	Assembly 9 Protein heterocomplex Heteromer；Protein × 8 PDB declaration: octameric	Chain E 37–241（205 aa） Chain M 37–241（205 aa）	Not recorded	No recorded non-water small molecule	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 8.4；289 K；Ammonium Sulphate, Tris, pH 8.4, VAPOR DIFFUSION, HANGING DROP, temperature 289K	Resolution 2.80 Å R-free 0.268
1ZE3 Crystal Structure of the Ternary Complex of FIMD (N-Terminal Domain) with FIMC and the Pilin Domain of FIMH Deposited 2005-04-17	Different construct Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 3 PDB declaration: trimeric	Chain C 37–241（205 aa） Fragment：FimC	Not recorded	EDO 1,2-ETHANEDIOL × 12	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 6.5；293 K；PEG 6000, MES buffer, pH 6.5, VAPOR DIFFUSION, SITTING DROP, temperature 293K	Resolution 1.84 Å R-free 0.217
3BWU Crystal structure of the ternary complex of FimD (N-Terminal Domain, FimDN) with FimC and the N-terminally truncated pilus subunit FimF (FimFt) Deposited 2008-01-10	Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 3 PDB declaration: trimeric	Chain C 37–241（205 aa）	Not recorded	EDO 1,2-ETHANEDIOL × 13 PEG DI(HYDROXYETHYL)ETHER × 1	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；277 K；20 mM Tris/HCl pH 8.0, 20% PEG 8000, 50 mM succinic acid pH 4.0, VAPOR DIFFUSION, SITTING DROP, temperature 277K	Resolution 1.76 Å R-free 0.212
3JWN Complex of FimC, FimF, FimG and FimH Deposited 2009-09-18	Different oligomeric state Different experimental method Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 5 PDB declaration: pentameric	Chain C 37–241（205 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	Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics	Assembly 2 Protein heterocomplex Heteromer；Protein × 5 PDB declaration: pentameric	Chain I 37–241（205 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
3SQB Structure of the major type 1 pilus subunit FimA bound to the FimC chaperone Deposited 2011-07-05	Different construct Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric	Chain A 37–241（205 aa） Fragment：UNP residues 37-241	Not recorded	PEG DI(HYDROXYETHYL)ETHER × 3	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 5.5；277 K；0.1 M sodium acetate, 0.2 M magnesium chloride, 13% PEG 4000, pH 5.5, VAPOR DIFFUSION, SITTING DROP, temperature 277K	Resolution 3.20 Å R-free 0.300
3SQB Structure of the major type 1 pilus subunit FimA bound to the FimC chaperone Deposited 2011-07-05	Different construct Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics	Assembly 2 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric	Chain C 37–241（205 aa） Fragment：UNP residues 37-241	Not recorded	EDO 1,2-ETHANEDIOL × 2 TRS 2-AMINO-2-HYDROXYMETHYL-PROPANE-1,3-DIOL × 2	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 5.5；277 K；0.1 M sodium acetate, 0.2 M magnesium chloride, 13% PEG 4000, pH 5.5, VAPOR DIFFUSION, SITTING DROP, temperature 277K	Resolution 3.20 Å R-free 0.300
3SQB Structure of the major type 1 pilus subunit FimA bound to the FimC chaperone Deposited 2011-07-05	Different construct Different oligomeric state Different experimental method Different experimental conditions Different structure-quality metrics	Assembly 3 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric	Chain E 37–241（205 aa） Fragment：UNP residues 37-241	Not recorded	No recorded non-water small molecule	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 5.5；277 K；0.1 M sodium acetate, 0.2 M magnesium chloride, 13% PEG 4000, pH 5.5, VAPOR DIFFUSION, SITTING DROP, temperature 277K	Resolution 3.20 Å R-free 0.300
3SQB Structure of the major type 1 pilus subunit FimA bound to the FimC chaperone Deposited 2011-07-05	Different construct Different oligomeric state Different experimental method Different experimental conditions Different structure-quality metrics	Assembly 4 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric	Chain G 37–241（205 aa） Fragment：UNP residues 37-241	Not recorded	No recorded non-water small molecule	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 5.5；277 K；0.1 M sodium acetate, 0.2 M magnesium chloride, 13% PEG 4000, pH 5.5, VAPOR DIFFUSION, SITTING DROP, temperature 277K	Resolution 3.20 Å R-free 0.300
4DWH Structure of the major type 1 pilus subunit FIMA bound to the FIMC (2.5 A resolution) Deposited 2012-02-24	Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric	Chain A 37–241（205 aa）	Not recorded	PEG DI(HYDROXYETHYL)ETHER × 7 PG4 TETRAETHYLENE GLYCOL × 1 PO4 PHOSPHATE ION × 2	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；293 K；40% (v/v) PEG 400 0.1 M phosphate/citrate pH 4.2 , VAPOR DIFFUSION, SITTING DROP, temperature 293K	Resolution 2.50 Å R-free 0.294
4DWH Structure of the major type 1 pilus subunit FIMA bound to the FIMC (2.5 A resolution) Deposited 2012-02-24	Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics	Assembly 2 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric	Chain C 37–241（205 aa）	Not recorded	PEG DI(HYDROXYETHYL)ETHER × 3 PG4 TETRAETHYLENE GLYCOL × 1 PGE TRIETHYLENE GLYCOL × 2	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；293 K；40% (v/v) PEG 400 0.1 M phosphate/citrate pH 4.2 , VAPOR DIFFUSION, SITTING DROP, temperature 293K	Resolution 2.50 Å R-free 0.294
4J3O Crystal structure of the FimD usher traversed by the pilus tip complex assembly composed of FimC:FimF:FimG:FimH Deposited 2013-02-06	Different construct Different oligomeric state Different experimental method Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 5 PDB declaration: pentameric	Chain C 37–241（205 aa） Fragment：UNP residues 37-241	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
6E14 Handover mechanism of the growing pilus by the bacterial outer membrane usher FimD Deposited 2018-07-09	Different construct Different oligomeric state Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 5 PDB declaration: pentameric	Chain C 1–241（241 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	Different construct Different oligomeric state Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 5 PDB declaration: pentameric	Chain C 1–241（241 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
6SWH Crystal structure of the ternary complex between the type 1 pilus proteins FimC, FimI and FimA from E. coli Deposited 2019-09-20	Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 3 PDB declaration: trimeric	Chain A 37–241（205 aa）	Not recorded	PEG DI(HYDROXYETHYL)ETHER × 1 EDO 1,2-ETHANEDIOL × 1	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION；293 K；0.8 M sodium formate, 100 mM Tris/acetic acid pH 8.5, 16% PEG 4000 (w/v)	Resolution 2.80 Å R-free 0.207
6SWH Crystal structure of the ternary complex between the type 1 pilus proteins FimC, FimI and FimA from E. coli Deposited 2019-09-20	Different oligomeric state Different experimental method Different experimental conditions Different structure-quality metrics	Assembly 2 Protein heterocomplex Heteromer；Protein × 3 PDB declaration: trimeric	Chain D 37–241（205 aa）	Not recorded	No recorded non-water small molecule	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION；293 K；0.8 M sodium formate, 100 mM Tris/acetic acid pH 8.5, 16% PEG 4000 (w/v)	Resolution 2.80 Å R-free 0.207
7B0W Crystal structure of the E. coli type 1 pilus assembly inhibitor FimI bound to FimC Deposited 2020-11-23	Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric	Chain C 37–241（205 aa）	Not recorded	EDO 1,2-ETHANEDIOL × 2 FMT FORMIC ACID × 10	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；277 K；4.5 M sodium formate, 0.1 M sodium cacodylate pH 6.5	Resolution 1.75 Å R-free 0.187
7B0X Crystal structure of the ternary complex of the E. coli type 1 pilus proteins FimC, FimI and the N-terminal domain of FimD Deposited 2020-11-23	Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 3 PDB declaration: trimeric	Chain C 37–241（205 aa）	Not recorded	EDO 1,2-ETHANEDIOL × 1	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；277 K；0.1 M Hepes pH 8.4, 15 % PEG 4000	Resolution 1.70 Å R-free 0.252
7SZO Structure of a bacterial fimbrial tip containing FocH Deposited 2021-11-29	Different oligomeric state Different experimental method Different experimental conditions Different structure-quality metrics	Assembly 1 Insufficient information Heteromer；Protein × 5 PDB declaration: pentameric	Chain C 37–241（205 aa）	Not recorded	No recorded non-water small molecule	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；293 K；1.6 M POTASSIUM CHLORIDE, 0.1 M REMARK 280 SODIUM CITRATE, PH 4.1	Resolution 2.80 Å R-free 0.274
7SZO Structure of a bacterial fimbrial tip containing FocH Deposited 2021-11-29	Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics	Assembly 2 Insufficient information Heteromer；Protein × 5 PDB declaration: pentameric	Chain I 37–241（205 aa）	Not recorded	GOL GLYCEROL × 2	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；293 K；1.6 M POTASSIUM CHLORIDE, 0.1 M REMARK 280 SODIUM CITRATE, PH 4.1	Resolution 2.80 Å R-free 0.274
9FW9 Cryo-EM structure of the type 1 pilus assembly platform as part of the FimA-bound chaperone-usher pilus complex (FimDHGFAnC - body 2) Deposited 2024-06-28	Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 4 PDB declaration: tetrameric	Chain C 37–241（205 aa）	Not recorded	No recorded non-water small molecule	ELECTRON MICROSCOPY cryo-EM buffer pH 8 cryo-EM vitrification conditions Cryogen ETHANE-PROPANE	Resolution 3.90 Å
9FWB Cryo-EM structure of the type 1 pilus assembly platform as part of the FimA-bound chaperone-usher pilus complex (Local refinement including FimD, FimC, FimAn and FimAn-1) Deposited 2024-06-28	Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 4 PDB declaration: tetrameric	Chain C 37–241（205 aa）	Not recorded	No recorded non-water small molecule	ELECTRON MICROSCOPY cryo-EM buffer pH 8 cryo-EM vitrification conditions Cryogen ETHANE-PROPANE	Resolution 3.50 Å
9FWZ Cryo-EM structure of the type 1 pilus assembly platform as part of the FimA-bound chaperone-usher pilus complex (Local refinement including FimD, FimC, FimAn, FimAn-1 and FimAn-2) Deposited 2024-07-01	Different oligomeric state Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 5 PDB declaration: pentameric	Chain C 37–241（205 aa）	Not recorded	No recorded non-water small molecule	ELECTRON MICROSCOPY cryo-EM buffer pH 8 cryo-EM vitrification conditions Cryogen ETHANE-PROPANE	Resolution 3.60 Å
9FX8 Cryo-EM structure of the FimI-bound type 1 pilus assembly platform complex - Local refinement Deposited 2024-07-01	Different oligomeric state Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 3 PDB declaration: trimeric	Chain C 37–241（205 aa）	Not recorded	No recorded non-water small molecule	ELECTRON MICROSCOPY cryo-EM buffer pH 8 cryo-EM vitrification conditions Cryogen ETHANE-PROPANE	Resolution 3.60 Å
9FXB Cryo-EM structure of the type 1 pilus assembly platform as part of the FimI-bound chaperone-usher pilus complex (FimDHGFAnIC - body 2) Deposited 2024-07-01	Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 4 PDB declaration: tetrameric	Chain C 37–241（205 aa）	Not recorded	No recorded non-water small molecule	ELECTRON MICROSCOPY cryo-EM buffer pH 8 cryo-EM vitrification conditions Cryogen ETHANE-PROPANE	Resolution 4.30 Å
9FY9 Cryo-EM structure of the type 1 chaperone-usher pilus FimD-tip complex (FimDHGFC) - Conformer 1 Deposited 2024-07-03	Different oligomeric state Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 5 PDB declaration: pentameric	Chain C 37–241（205 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

22 other PDB entries and 56 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence

UniProt name	FIMC_ECOLI
Isoform	—
PDB entities	2
Chains and sequence ranges	Author chain C； PDBConstruct 2–206； UniProt 37–241

Outer membrane usher protein FimD

Escherichia coli

UniProt P30130

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 × 4 PDB declaration: tetrameric（4） Consistent with protein copy count	Chain D； UniProt 46–878	Not recorded	Fimbrin-like protein FimI × 2 （P39264） Chaperone protein FimC × 1 （P31697）	ELECTRON MICROSCOPY cryo-EM buffer：pH 8 cryo-EM vitrification conditions：Cryogen ETHANE-PROPANE	Resolution 4.20 Å

Other States of the Same Protein in the Database

Other PDB	Difference from Current Entry 9FXS	Assembly / Oligomeric State	Construct	Mutations and Modifications	Ligands, Ions and Non-polymers	Method and Experimental Conditions	Structure Quality
1ZDV Solution Structure of the type 1 pilus assembly platform FimD(25-139) Deposited 2005-04-15	Different construct Different oligomeric state Different experimental method Different experimental conditions Different structure-quality metrics	Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric	Chain A 70–184（115 aa） Fragment：N-TERMINAL DOMAIN Residues 70-184	Not recorded	No recorded non-water small molecule	SOLUTION NMR NMR measurement conditions pH 7；293 K；Pressure ambient NMR sample composition Uniform labeling with 13C, 15N; 90 % H2O, 10% D2O \| 90% H2O/10% D2O	Resolution not provided
1ZDX Solution Structure of the type 1 pilus assembly platform FimD(25-125) Deposited 2005-04-15	Different construct Different oligomeric state Different experimental method Different experimental conditions Different structure-quality metrics	Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric	Chain A 70–170（101 aa） Fragment：N-TERMINAL DOMAIN Residues 70-170	Not recorded	No recorded non-water small molecule	SOLUTION NMR NMR measurement conditions pH 7；293 K；Pressure ambient NMR sample composition Uniform labeling with 13C, 15N; 90 % H2O, 10% D2O \| 90% H2O/10% D2O	Resolution not provided
1ZE3 Crystal Structure of the Ternary Complex of FIMD (N-Terminal Domain) with FIMC and the Pilin Domain of FIMH Deposited 2005-04-17	Different construct Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 3 PDB declaration: trimeric	Chain D 46–170（125 aa） Fragment：FimD N-terminal domain	Not recorded	EDO 1,2-ETHANEDIOL × 12	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 6.5；293 K；PEG 6000, MES buffer, pH 6.5, VAPOR DIFFUSION, SITTING DROP, temperature 293K	Resolution 1.84 Å R-free 0.217
3BWU Crystal structure of the ternary complex of FimD (N-Terminal Domain, FimDN) with FimC and the N-terminally truncated pilus subunit FimF (FimFt) Deposited 2008-01-10	Different construct Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 3 PDB declaration: trimeric	Chain D 46–170（125 aa） Fragment：N-terminal domain, Residues 1-125	Not recorded	EDO 1,2-ETHANEDIOL × 13 PEG DI(HYDROXYETHYL)ETHER × 1	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；277 K；20 mM Tris/HCl pH 8.0, 20% PEG 8000, 50 mM succinic acid pH 4.0, VAPOR DIFFUSION, SITTING DROP, temperature 277K	Resolution 1.76 Å R-free 0.212
4J3O Crystal structure of the FimD usher traversed by the pilus tip complex assembly composed of FimC:FimF:FimG:FimH Deposited 2013-02-06	Different construct Different oligomeric state Different experimental method Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 5 PDB declaration: pentameric	Chain D 46–878（833 aa） Fragment：UNP residues 46-878	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
7B0X Crystal structure of the ternary complex of the E. coli type 1 pilus proteins FimC, FimI and the N-terminal domain of FimD Deposited 2020-11-23	Different construct Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 3 PDB declaration: trimeric	Chain D 46–170（125 aa）	Not recorded	EDO 1,2-ETHANEDIOL × 1	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；277 K；0.1 M Hepes pH 8.4, 15 % PEG 4000	Resolution 1.70 Å R-free 0.252
9BOG Structural basis for adhesin secretion by the outer-membrane usher in type 1 pili Deposited 2024-05-03	Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 4 PDB declaration: tetrameric	Chain D 46–878（833 aa）	Not recorded	No recorded non-water small molecule	ELECTRON MICROSCOPY cryo-EM buffer pH 8 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 3.99 Å
9FW9 Cryo-EM structure of the type 1 pilus assembly platform as part of the FimA-bound chaperone-usher pilus complex (FimDHGFAnC - body 2) Deposited 2024-06-28	Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 4 PDB declaration: tetrameric	Chain D 46–878（833 aa）	Not recorded	No recorded non-water small molecule	ELECTRON MICROSCOPY cryo-EM buffer pH 8 cryo-EM vitrification conditions Cryogen ETHANE-PROPANE	Resolution 3.90 Å
9FWB Cryo-EM structure of the type 1 pilus assembly platform as part of the FimA-bound chaperone-usher pilus complex (Local refinement including FimD, FimC, FimAn and FimAn-1) Deposited 2024-06-28	Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 4 PDB declaration: tetrameric	Chain D 46–878（833 aa）	Not recorded	No recorded non-water small molecule	ELECTRON MICROSCOPY cryo-EM buffer pH 8 cryo-EM vitrification conditions Cryogen ETHANE-PROPANE	Resolution 3.50 Å
9FWZ Cryo-EM structure of the type 1 pilus assembly platform as part of the FimA-bound chaperone-usher pilus complex (Local refinement including FimD, FimC, FimAn, FimAn-1 and FimAn-2) Deposited 2024-07-01	Different oligomeric state Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 5 PDB declaration: pentameric	Chain D 46–878（833 aa）	Not recorded	No recorded non-water small molecule	ELECTRON MICROSCOPY cryo-EM buffer pH 8 cryo-EM vitrification conditions Cryogen ETHANE-PROPANE	Resolution 3.60 Å
9FX8 Cryo-EM structure of the FimI-bound type 1 pilus assembly platform complex - Local refinement Deposited 2024-07-01	Different oligomeric state Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 3 PDB declaration: trimeric	Chain D 46–878（833 aa）	Not recorded	No recorded non-water small molecule	ELECTRON MICROSCOPY cryo-EM buffer pH 8 cryo-EM vitrification conditions Cryogen ETHANE-PROPANE	Resolution 3.60 Å
9FXB Cryo-EM structure of the type 1 pilus assembly platform as part of the FimI-bound chaperone-usher pilus complex (FimDHGFAnIC - body 2) Deposited 2024-07-01	Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 4 PDB declaration: tetrameric	Chain D 46–878（833 aa）	Not recorded	No recorded non-water small molecule	ELECTRON MICROSCOPY cryo-EM buffer pH 8 cryo-EM vitrification conditions Cryogen ETHANE-PROPANE	Resolution 4.30 Å
9FY9 Cryo-EM structure of the type 1 chaperone-usher pilus FimD-tip complex (FimDHGFC) - Conformer 1 Deposited 2024-07-03	Different oligomeric state Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 5 PDB declaration: pentameric	Chain D 46–878（833 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

13 other PDB entries and 13 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence

UniProt name	FIMD_ECOLI
Isoform	—
PDB entities	3
Chains and sequence ranges	Author chain D； PDBConstruct 1–833； UniProt 46–878

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	9fxs
Deposition date deposition_date	2024-07-02
Structure title title	Cryo-EM structure of the type 1 pilus complex including pilus rod and FimI-bound assembly platform after incorporation of two FimI subunits - Local refinement
Keywords keywords	rod, pilus, usher, termination, MEMBRANE PROTEIN; MEMBRANE PROTEIN
Experimental Method method	ELECTRON MICROSCOPY

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

Radius of gyration Rg (Guinier) rg_guinier	33.45 Å
Radius of gyration Rg (electron density) rg_electron	32.84 Å
Forward intensity I(0) i0	236041000.00
Molecular weight molecular_weight	120980.0 kDa
Excluded volume excluded_volume	150570 Å³
Envelope volume envelope_volume	202680 Å³
Hydration-shell volume shell_volume	50698 Å³
Envelope diameter envelope_diameter	119.4 Å
Shell Rg shell_rg	40.36 Å
Envelope Rg envelope_rg	32.69 Å
Shape Rg shape_rg	32.83 Å
Total Rg total_rg	33.47 Å
Total atoms total_atoms	8535
Residues n_residues	1106
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	107.9 Å
Rg (real space) rg_real	33.40 Å
Rg uncertainty (real space) rg_real_error	0.81 Å
I(0) (real space) i0_real	2.3600e+08
I(0) uncertainty (real space) i0_real_error	3.5900e+06
Rg (reciprocal space) rg_reciprocal	33.44 Å
I(0) (reciprocal space) i0_reciprocal	236000000.0000
Solution quality estimate total_estimate	0.8811
Solution quality rating solution_quality	GOOD a GOOD solution
P(r) peaks n_peaks	2
Primary peak position r_peak_primary	41.3 Å
Skewness Skewness skewness	0.346
Kurtosis Kurtosis kurtosis	-0.250
Angular range angular_range	— – 0.2350 Å⁻¹
Current regularization parameter α current_alpha	0.0000
Highest regularization parameter α highest_alpha	42590000.0000
Real-space data points n_real_points	48
GNOM version gnom_version	4.1.3
Quality Criteria quality_criteria	AN1: 0.000; Oscil: 0.861; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 1.000; Smooth: 0.867

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5. Crystallography and Experiment 5. Crystallography & Experiment

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6. Entities and Polymers Entities & Polymers (3)

Entity 1 Entity 1 polymer

Description description	Fimbrin-like protein FimI
Molecular weight formula_weight	17189.3 kDa
Source method src_method	man
Copy count entity_count	2

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	B,I
Atom count atom_count	8535

GNKWNTTLPGGNMQFQGVIIAETCRIEAGDKQMTVNMGQISSNRFHAVGEDSAPVPFVIHLRECSTVVSERVGVAFHGVADGKNPDVLSVGEGPGIATNIGVALFDDEGNLVPINRPPANWKRLYSGSTSLHFIAKYRATGRRVTGGIANAQAWFSLTYQ

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 BL21(DE3)

Entity 2 Entity 2 polymer

Description description	Chaperone protein FimC
Molecular weight formula_weight	23714.1 kDa
Source method src_method	man
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	C

MGVALGATRVIYPAGQKQEQLAVTNNDENSTYLIQSWVENADGVKDGRFIVTPPLFAMKGKKENTLRILDATNNQLPQDRESLFWMNVKAIPSMDKSKLTENTLQLAIISRIKLYYRPAKLALPPDQAAEKLRFRRSANSLTLINPTPYYLTVTELNAGTRVLENALVPPMGESTVKLPSDAGSNITYRTINDYGALTPKMTGVMEHHHHHH

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 BL21(DE3)

Entity 3 Entity 3 polymer

Description description	Outer membrane usher protein FimD
Molecular weight formula_weight	93092.8 kDa
Source method src_method	man
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	D

DLYFNPRFLADDPQAVADLSRFENGQELPPGTYRVDIYLNNGYMATRDVTFNTGDSEQGIVPCLTRAQLASMGLNTASVAGMNLLADDACVPLTTMVQDATAHLDVGQQRLNLTIPQAFMSNRARGYIPPELWDPGINAGLLNYNFSGNSVQNRIGGNSHYAYLNLQSGLNIGAWRLRDNTTWSYNSSDRSSGSKNKWQHINTWLERDIIPLRSRLTLGDGYTQGDIFDGINFRGAQLASDDNMLPDSQRGFAPVIHGIARGTAQVTIKQNGYDIYNSTVPPGPFTINDIYAAGNSGDLQVTIKEADGSTQIFTVPYSSVPLLQREGHTRYSITAGEYRSGNAQQEKPRFFQSTLLHGLPAGWTIYGGTQLADRYRAFNFGIGKNMGALGALSVDMTQANSTLPDDSQHDGQSVRFLYNKSLNESGTNIQLVGYRYSTSGYFNFADTTYSRMNGYNIETQDGVIQVKPKFTDYYNLAYNKRGKLQLTVTQQLGRTSTLYLSGSHQTYWGTSNVDEQFQAGLNTAFEDINWTLSYSLTKNAWQKGRDQMLALNVNIPFSHWLRSDSKSQWRHASASYSMSHDLNGRMTNLAGVYGTLLEDNNLSYSVQTGYAGGGDGNSGSTGYATLNYRGGYGNANIGYSHSDDIKQLYYGVSGGVLAHANGVTLGQPLNDTVVLVKAPGAKDAKVENQTGVRTDWRGYAVLPYATEYRENRVALDTNTLADNVDLDNAVANVVPTRGAIVRAEFKARVGIKLLMTLTHNNKPLPFGAMVTSESSQSSGIVADNGQVYLSGMPLAGKVQVKWGEEENAHCVANYQLPPESQQQLLTQLSAECRLVPRGSWSHPQFEK

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

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8. Citations (1)

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Unit-cell length a length_a	1.000 Å
Unit-cell length b length_b	1.000 Å
Unit-cell length c length_c	1.000 Å
Unit-cell angle α angle_alpha	90.00 °
Unit-cell angle β angle_beta	90.00 °
Unit-cell angle γ angle_gamma	90.00 °
Molecules per unit cell Z z_pdb	—

Space group space_group	P 1
Space-group number int_tables_number	1
Crystal system crystal_system	triclinic

Resolution resolution	4.20 Å
Resolution测定方法 resolution_method	—
颗粒数 num_particles	41257

fit	/app/data/saxs_computation/fx/9fxs/9fxs.fit
pddf	/app/data/pr_computation/fx/9fxs/9fxs.pr.out
profile	/app/data/saxs_computation/fx/9fxs/9fxs.dat

Cryo-EM structure of the type 1 pilus complex including pilus rod and FimI-bound assembly platform after incorporation of two FimI subunits - Local refinement

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

Fimbrin-like protein FimI

State in the Current Structure

Other States of the Same Protein in the Database

Chaperone protein FimC

State in the Current Structure

Other States of the Same Protein in the Database

Outer membrane usher protein FimD

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

冷冻电镜 EM 3D

6. Entities and Polymers Entities & Polymers (3)

Entity 1 Entity 1 polymer

Polymer Polymer

来源 Source

Entity 2 Entity 2 polymer

Polymer Polymer

来源 Source

Entity 3 Entity 3 polymer

Polymer Polymer

来源 Source

8. Citations (1)

9. Files and Curves (10)

Files (7)

Curves (3)