Biological Assembly 1  

 3D View: Structure | Electron Density | Ligand Interaction

Standalone Viewers  
Protein Workshop | Ligand Explorer

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Monomer - A 

Biological assembly 1 assigned by authors and generated by PISA (software)

Macromolecule Content

• Total Structure Weight: 66730.43 
• Atom Count: 4465 
• Residue Count: 557 
• Unique protein chains: 1

6QAB

Human Butyrylcholinesterase in complex with (S)-N-(1-((2-cycloheptylethyl)amino)-3-(1H-indol-3-yl)-1-oxopropan-2-yl)-N,N-dimethylbutan-1-aminium

• DOI: 10.2210/pdb6QAB/pdb

• Classification: HYDROLASE
• Organism(s): Homo sapiens
• Expression System: Cricetulus griseus
• Mutation(s): 4 


• Deposited: 2018-12-19 Released: 2019-03-27 
• Deposition Author(s): Brazzolotto, X., Nachon, F., Harst, M., Knez, D., Gobec, S.
• Funding Organization(s): French Ministry of Armed Forces 

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.49 Å
• R-Value Free: 0.236 
• R-Value Work: 0.192 

Literature

Tryptophan-derived butyrylcholinesterase inhibitors as promising leads against Alzheimer's disease.

Meden, A., Knez, D., Jukic, M., Brazzolotto, X., Grsic, M., Pislar, A., Zahirovic, A., Kos, J., Nachon, F., Svete, J., Gobec, S., Groselj, U.

(2019) Chem.Commun.(Camb.) 55: 3765-3768

• PubMed: 30864579 
• DOI: 10.1039/c9cc01330j
• Primary Citation of Related Structures:  
  6QAE, 6QAD, 6QAC, 6QAA


• PubMed Abstract: 
  

We have identified tryptophan-based selective nanomolar butyrylcholinesterase (BChE) inhibitors. They are defined according to their chemical modularity, novel binding mode revealed by five solved crystal structures with human BChE, low cytotoxicity, and predicted permeability of the blood-brain barrier. Altogether, these factors indicate their potential as unique lead compounds for symptomatic therapy against Alzheimer's disease.

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Organizational Affiliation: 

Faculty of Chemistry and Chemical Technology, University of Ljubljana, Večna pot 113, SI-1000 Ljubljana, Slovenia. [e-mail].

Macromolecules

Find similar proteins by: Sequence  |  Structure

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details
Cholinesterase	A	557	Homo sapiens	Mutation(s): 4  Gene Names: BCHE (CHE1) EC: 3.1.1.8
Find proteins for P06276 (Homo sapiens) Go to Gene View: BCHE Go to UniProtKB:  P06276

Small Molecules

Ligands 7 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram & Interactions
HUQ	A	butyl-[(2~{S})-1-(2-cycloheptylethylamino)-3-(1~{H}-indol-3-yl)-1-oxidanylidene-propan-2-yl]-dimethyl-azanium C26 H42 N3 O KYGLOTKSZWORPK-VWLOTQADSA-O
SO4	A	SULFATE ION O4 S QAOWNCQODCNURD-UHFFFAOYSA-L
GOL	A	GLYCEROL GLYCERIN; PROPANE-1,2,3-TRIOL C3 H8 O3 PEDCQBHIVMGVHV-UHFFFAOYSA-N
FUC	A	ALPHA-L-FUCOSE C6 H12 O5 SHZGCJCMOBCMKK-SXUWKVJYSA-N
DMS	A	DIMETHYL SULFOXIDE C2 H6 O S IAZDPXIOMUYVGZ-UHFFFAOYSA-N
NAG	A	N-ACETYL-D-GLUCOSAMINE C8 H15 N O6 OVRNDRQMDRJTHS-FMDGEEDCSA-N
MES	A	2-(N-MORPHOLINO)-ETHANESULFONIC ACID C6 H13 N O4 S SXGZJKUKBWWHRA-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.49 Å
• R-Value Free: 0.236 
• R-Value Work: 0.192 
• Space Group: I 4 2 2

Unit Cell:

Length (Å)	Angle (°)
a = 153.632	α = 90.00
b = 153.632	β = 90.00
c = 128.589	γ = 90.00

Software Package:

Software Name	Purpose
PHENIX	refinement
Coot	model building
XDS	data scaling
PHENIX	phasing
XDS	data reduction

Structure Validation

Entry History & Funding Information

Deposition Data

• Deposited Date: 2018-12-19 
• Released Date: 2019-03-27 
• Deposition Author(s): Brazzolotto, X., Nachon, F., Harst, M., Knez, D., Gobec, S.

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Funding Organization	Location	Grant Number
French Ministry of Armed Forces	France	PDH-2-NRBC-3-C-3201

Revision History 

• Version 1.0: 2019-03-27
  Type: Initial release
• Version 1.1: 2019-04-03
  Type: Data collection, Database references