8GUV

LecA from Pseudomonas aeruginosa in complex with tolcapone (CAS: 134308-13-7)

• PDB DOI: https://doi.org/10.2210/pdb8GUV/pdb

• Classification: SUGAR BINDING PROTEIN
• Organism(s): Pseudomonas aeruginosa
• Expression System: Escherichia coli
• Mutation(s): No 


• Deposited: 2022-09-13 Released: 2023-07-19 
• Deposition Author(s): Kuhaudomlarp, S., Siebs, E., Varrot, A., Imberty, A., Titz, A.
• Funding Organization(s): Agence Nationale de la Recherche (ANR), German Research Foundation (DFG)

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.32 Å
• R-Value Free: 0.222 
• R-Value Work: 0.199 
• R-Value Observed: 0.200 

Starting Model: experimental

Literature

LecA from Pseudomonas aeruginosa in complex with tolcapone (CAS: 134308-13-7)

Siebs, E., Kuhaudomlarp, S., Shanina, E., Varrot, A., da Silva Fiqueiredo Celestino Gomes, P., Lerner, C., Grether, U., Rademacher, C., Rognan, D., Imberty, A., Titz, A.

To be published.

Biological Assembly 1  

Global Symmetry: Dihedral - D2  (Explore in 3D)
Global Stoichiometry: Homo 4-mer - A4 

Biological assembly 1 assigned by authors.

Macromolecule Content

• Total Structure Weight: 26.44 kDa 
• Atom Count: 2,170 
• Modelled Residue Count: 242 
• Deposited Residue Count: 242 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
PA-I galactophilic lectin	A, B	121	Pseudomonas aeruginosa	Mutation(s): 0
UniProt
Find proteins for Q05097 (Pseudomonas aeruginosa (strain ATCC 15692 / DSM 22644 / CIP 104116 / JCM 14847 / LMG 12228 / 1C / PRS 101 / PAO1)) Explore Q05097  Go to UniProtKB:  Q05097

Small Molecules

Ligands 2 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
TCW (Subject of Investigation/LOI)	D [auth A], F [auth B], G [auth B]	Tolcapone C14 H11 N O5 MIQPIUSUKVNLNT-UHFFFAOYSA-N
CA	C [auth A], E [auth B]	CALCIUM ION Ca BHPQYMZQTOCNFJ-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.32 Å
• R-Value Free: 0.222 
• R-Value Work: 0.199 
• R-Value Observed: 0.200 
• Space Group: C 2 2 2₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 57.65	α = 90
b = 164.626	β = 90
c = 50.105	γ = 90

Software Package:

Software Name	Purpose
REFMAC	refinement
XDS	data reduction
Aimless	data scaling
PDB_EXTRACT	data extraction
PHASER	phasing

Structure Validation

Entry History & Funding Information

Deposition Data

• Released Date: 2023-07-19 
Deposition Author(s): Kuhaudomlarp, S., Siebs, E., Varrot, A., Imberty, A., Titz, A.

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Funding Organization	Location	Grant Number
Agence Nationale de la Recherche (ANR)	France	ANR-AAPG-2017
Agence Nationale de la Recherche (ANR)	France	ANR-17-CE11-0048
German Research Foundation (DFG)	Germany	Ti756/5-1
German Research Foundation (DFG)	Germany	RA1944/7-1

Revision History  

• Version 1.0: 2023-07-19
  Type: Initial release
  
• Version 1.1: 2023-11-29
  Changes: Data collection, Refinement description