1AMN

TRANSITION STATE ANALOG: ACETYLCHOLINESTERASE COMPLEXED WITH M-(N,N,N-TRIMETHYLAMMONIO)TRIFLUOROACETOPHENONE


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.8 Å
  • R-Value Free: 0.235 
  • R-Value Work: 0.188 

wwPDB Validation 3D Report Full Report


This is version 1.2 of the entry. See complete history

Literature

The X-ray structure of a transition state analog complex reveals the molecular origins of the catalytic power and substrate specificity of acetylcholinesterase.

Harel, M.Quinn, D.M.Nair, H.K.Silman, I.Sussman, J.L.

(1996) J.Am.Chem.Soc. 118: 2340-2346


Macromolecules

Find similar proteins by: Sequence  |  Structure

Entity ID: 1
MoleculeChainsSequence LengthOrganismDetails
ACETYLCHOLINESTERASE
A
537Torpedo californicaGene Names: ache
EC: 3.1.1.7
Find proteins for P04058 (Torpedo californica)
Go to UniProtKB:  P04058
Small Molecules
Ligands 2 Unique
IDChainsName / Formula / InChI Key2D Diagram3D Interactions
SO4
Query on SO4

Download SDF File 
Download CCD File 
A
SULFATE ION
O4 S
QAOWNCQODCNURD-UHFFFAOYSA-L
 Ligand Interaction
NAF
Query on NAF

Download SDF File 
Download CCD File 
A
M-(N,N,N-TRIMETHYLAMMONIO)-2,2,2-TRIFLUORO-1,1-DIHYDROXYETHYLBENZENE
C11 H15 F3 N O2
KGVDBJQLTHWAJF-UHFFFAOYSA-N
 Ligand Interaction
External Ligand Annotations 
IDBinding Affinity (Sequence Identity %)
NAFKi: 0.000015 nM PDBBIND
Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.8 Å
  • R-Value Free: 0.235 
  • R-Value Work: 0.188 
  • Space Group: P 31 2 1
Unit Cell:
Length (Å)Angle (°)
a = 113.540α = 90.00
b = 113.540β = 90.00
c = 137.530γ = 120.00
Software Package:
Software NamePurpose
X-PLORphasing
X-PLORrefinement
XDSdata scaling
X-PLORmodel building
XDSdata reduction

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History 

Deposition Data

Revision History 

  • Version 1.0: 1996-04-03
    Type: Initial release
  • Version 1.1: 2008-03-24
    Type: Version format compliance
  • Version 1.2: 2011-07-13
    Type: Version format compliance