1GPN

STRUCTURE OF ACETYLCHOLINESTERASE COMPLEXED WITH HUPERZINE B AT 2.35A RESOLUTION

Structural Biology Knowledgebase: 1GPN SBKB.org


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.35 Å
  • R-Value Free: 0.216
  • R-Value Work: 0.186

Literature

Macromolecules
Sequence Display for 1GPN

Classification: HYDROLASE

Total Structure Weight: 61435.95

Macromolecule Entities
Molecule Chains Length Organism Details
ACETYLCHOLINESTERASE A 537 Tetronarce californica EC#: 3.1.1.7 IUBMB
Fragment: RESIDUES 22-558
Details: HUPERZINE B BOUND AT THE BOTTOM OF THE ACTIVE SITE GORGE
Gene Name(s): ache
Metabolic Pathways
Maps:       
Reactions:
ESCHER  BiGG

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

A HUPERZINE B
C16 H20 N2 O
YYWGABLTRMRUIT-HWWQOWPSSA-N
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
NAG
Query on NAG

A N-ACETYL-D-GLUCOSAMINE
C8 H15 N O6
OVRNDRQMDRJTHS-FMDGEEDCSA-N
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
External Ligand Annotations
ID Binding Affinity (Sequence Identity %)
HUB Ki: 3.3 - 334 nM (100) BindingDB

Ki: 334 nM  BindingMOAD
Ki: 334 nM  PDBbind

Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.35 Å
  • R-Value Free: 0.216
  • R-Value Work: 0.186
  • Space Group: P 31 2 1
  • Electron Density Server: EDS EDS

Unit Cell:

Length (Å) Angle (°)
a = 111.72 α = 90.00
b = 111.72 β = 90.00
c = 137.12 γ = 120.00

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History

Deposition Data

  • Deposited Date: 2001-11-07
  • Released Date: 2002-08-29
  • Deposition author(s): Dvir, H., Harel, M., Jiang, H.L., Silman, I., Sussman, J.L.

Revision History

  • 2011-07-13
    Type: Version format compliance | Details: compliance with PDB Exchange Dictionary V4