7QUO

FimH lectin domain in complex with oligomannose-6

• PDB DOI: https://doi.org/10.2210/pdb7QUO/pdb

• Classification: CELL ADHESION
• Organism(s): Escherichia coli BL21(DE3)
• Expression System: Escherichia coli
• Mutation(s): No 


• Deposited: 2022-01-18 Released: 2023-02-01 
• Deposition Author(s): Bouckaert, J., Bourenkov, G.P.
• Funding Organization(s): H2020 Marie Curie Actions of the European Commission

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 3.00 Å
• R-Value Free: 0.276 
• R-Value Work: 0.236 

Literature

Structural insights into a cooperative switch between one and two FimH bacterial adhesins binding pauci- and high-mannose type N-glycan receptors

Krammer, E.M., Bridot, C., Serna, S., Echeverria, B., Semwal, S., Roubinet, B., van Noort, K., Wilbers, R.H., Bourenkov, G., de Ruyck, J., Landemarre, L., Reichardt, N., Bouckaert, J.

(2023) J Biol Chem 299: 104627

• DOI: https://doi.org/10.1016/j.jbc.2023.104627

Biological Assembly 1  

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Homo 2-mer - A2 

Biological assembly 1 assigned by authors.

Biological Assembly 2  

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Homo 2-mer - A2 

Biological assembly 2 assigned by authors.

Macromolecule Content

• Total Structure Weight: 70.89 kDa 
• Atom Count: 5,153 
• Modelled Residue Count: 632 
• Deposited Residue Count: 632 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
FimH	A, B, C, D	158	Escherichia coli BL21(DE3)	Mutation(s): 0  Gene Names: fimH
UniProt
Find proteins for P08191 (Escherichia coli (strain K12)) Explore P08191  Go to UniProtKB:  P08191

Oligosaccharides

Help

Entity ID: 2
Molecule	Chains	Length	2D Diagram	Glycosylation	3D Interactions
alpha-D-mannopyranose-(1-2)-alpha-D-mannopyranose-(1-3)-[alpha-D-mannopyranose-(1-3)-[alpha-D-mannopyranose-(1-6)]alpha-D-mannopyranose-(1-6)]beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose	E, F	8		N/A
Glycosylation Resources
GlyTouCan:  G80966KZ GlyCosmos:  G80966KZ GlyGen:  G80966KZ

Small Molecules

Ligands 2 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
SO4 (Subject of Investigation/LOI)	K [auth D], L [auth D]	SULFATE ION O4 S QAOWNCQODCNURD-UHFFFAOYSA-L
NI (Subject of Investigation/LOI)	G [auth A], H [auth B], I [auth C], J [auth D]	NICKEL (II) ION Ni VEQPNABPJHWNSG-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 3.00 Å
• R-Value Free: 0.276 
• R-Value Work: 0.236 
• Space Group: P 6₁ 2 2

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 153.11	α = 90
b = 153.11	β = 90
c = 230.41	γ = 120

Software Package:

Software Name	Purpose
REFMAC	refinement
PHENIX	refinement
XDS	data reduction
XSCALE	data scaling
PHASER	phasing

Structure Validation

Entry History & Funding Information

Deposition Data

• Released Date: 2023-02-01 
Deposition Author(s): Bouckaert, J., Bourenkov, G.P.

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Funding Organization	Location	Grant Number
H2020 Marie Curie Actions of the European Commission	European Union	750280

Revision History  

• Version 1.0: 2023-02-01
  Type: Initial release
  
• Version 1.1: 2023-05-03
  Changes: Database references
• Version 1.2: 2024-02-07
  Changes: Data collection
• Version 1.3: 2024-02-14
  Changes: Refinement description