1ACJ

QUATERNARY LIGAND BINDING TO AROMATIC RESIDUES IN THE ACTIVE-SITE GORGE OF ACETYLCHOLINESTERASE

Structural Biology Knowledgebase: 1ACJ SBKB.org


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.8 Å
  • R-Value Observed: 0.195

Literature

Macromolecules
Sequence Display for 1ACJ

Classification: HYDROLASE(CARBOXYLIC ESTERASE)

Total Structure Weight: 60991.45

Macromolecule Entities
Molecule Chains Length Organism Details
ACETYLCHOLINESTERASE A 537 Tetronarce californica EC#: 3.1.1.7 IUBMB
Gene Name(s): ache
Metabolic Pathways
Maps:       
Reactions:
ESCHER  BiGG

Small Molecules
Ligands 1 Unique
ID Chains Name / Formula / InChI Key 2D Diagram 3D Interactions
THA
Query on THA

A TACRINE
C13 H14 N2
YLJREFDVOIBQDA-UHFFFAOYSA-N
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
External Ligand Annotations
ID Binding Affinity (Sequence Identity %)
THA IC50: 8.2 - 157 nM (100) BindingDB
Ki: 4 - 230 nM (100) BindingDB

N/A in BindingMoad
IC50: 8.2 nM  PDBbind

Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.8 Å
  • R-Value Observed: 0.195
  • Space Group: P 31 2 1

Unit Cell:

Length (Å) Angle (°)
a = 113.70 α = 90.00
b = 113.70 β = 90.00
c = 138.10 γ = 120.00

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History

Deposition Data

  • Deposited Date: 1993-08-18
  • Released Date: 1994-08-31
  • Deposition author(s): Sussman, J.L., Harel, M., Silman, I.

Revision History

  • 2016-06-29
    Type: Biological assembly | Details: --
  • 2011-07-13
    Type: Version format compliance | Details: compliance with PDB Exchange Dictionary V4