2CEK

Conformational Flexibility in the Peripheral Site of Torpedo californica Acetylcholinesterase Revealed by the Complex Structure with a Bifunctional Inhibitor


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.20 Å
  • R-Value Free: 0.206 
  • R-Value Work: 0.175 
  • R-Value Observed: 0.175 

wwPDB Validation 3D Report Full Report


This is version 2.1 of the entry. See complete history


Literature

Conformational flexibility in the peripheral site of Torpedo californica acetylcholinesterase revealed by the complex structure with a bifunctional inhibitor.

Colletier, J.P.Sanson, B.Nachon, F.Gabellieri, E.Fattorusso, C.Campiani, G.Weik, M.

(2006) J Am Chem Soc 128: 4526-4527

  • DOI: 10.1021/ja058683b
  • Structures With Same Primary Citation

  • PubMed Abstract: 
  • The X-ray crystallographic structure of Torpedo californica acetylcholinesterase (TcAChE) in complex with the bifunctional inhibitor NF595, a potentially new anti-Alzheimer drug, has been solved. For the first time in TcAChE, a major conformational c ...

    The X-ray crystallographic structure of Torpedo californica acetylcholinesterase (TcAChE) in complex with the bifunctional inhibitor NF595, a potentially new anti-Alzheimer drug, has been solved. For the first time in TcAChE, a major conformational change in the peripheral-site tryptophan residue is observed upon complexation. The observed conformational flexibility highlights the dynamic nature of protein structures and is of importance for structure-based drug design.


    Organizational Affiliation

    Laboratoire de Biophysique Moléculaire, Institut de Biologie Structurale, 38027 Grenoble, France.



Macromolecules

Find similar proteins by: Sequence  |  Structure

Entity ID: 1
MoleculeChainsSequence LengthOrganismDetails
ACETYLCHOLINESTERASE
A
535Tetronarce californicaMutation(s): 0 
Gene Names: ache
EC: 3.1.1.7
Find proteins for P04058 (Tetronarce californica)
Go to UniProtKB:  P04058
Protein Feature View
  • Reference Sequence
Small Molecules
Ligands 4 Unique
IDChainsName / Formula / InChI Key2D Diagram3D Interactions
N8T
Query on N8T

Download CCD File 
A
N-[8-(1,2,3,4-TETRAHYDROACRIDIN-9-YLTHIO)OCTYL]-1,2,3,4-TETRAHYDROACRIDIN-9-AMINE
C34 H41 N3 S
COEYCPFFRLYNSC-UHFFFAOYSA-N
 Ligand Interaction
NAG
Query on NAG

Download CCD File 
A
N-ACETYL-D-GLUCOSAMINE
C8 H15 N O6
OVRNDRQMDRJTHS-FMDGEEDCSA-N
 Ligand Interaction
MES
Query on MES

Download CCD File 
A
2-(N-MORPHOLINO)-ETHANESULFONIC ACID
C6 H13 N O4 S
SXGZJKUKBWWHRA-UHFFFAOYSA-N
 Ligand Interaction
PGE
Query on PGE

Download CCD File 
A
TRIETHYLENE GLYCOL
C6 H14 O4
ZIBGPFATKBEMQZ-UHFFFAOYSA-N
 Ligand Interaction
Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.20 Å
  • R-Value Free: 0.206 
  • R-Value Work: 0.175 
  • R-Value Observed: 0.175 
  • Space Group: P 31 2 1
Unit Cell:
Length ( Å )Angle ( ˚ )
a = 111.94α = 90
b = 111.94β = 90
c = 137.12γ = 120
Software Package:
Software NamePurpose
CNSrefinement
XDSdata reduction
XSCALEdata scaling
CNSphasing

Structure Validation

View Full Validation Report



Entry History 

Deposition Data

Revision History 

  • Version 1.0: 2006-04-10
    Type: Initial release
  • Version 1.1: 2011-05-08
    Changes: Version format compliance
  • Version 1.2: 2011-07-13
    Changes: Version format compliance
  • Version 2.0: 2018-07-25
    Changes: Advisory, Atomic model, Data collection, Database references, Derived calculations, Non-polymer description, Structure summary
  • Version 2.1: 2019-05-08
    Changes: Data collection, Derived calculations, Experimental preparation