1ZGB

Crystal Structure of Torpedo Californica Acetylcholinesterase in Complex With an (R)-Tacrine(10)-Hupyridone Inhibitor.


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.30 Å
  • R-Value Free: 0.230 
  • R-Value Work: 0.188 
  • R-Value Observed: 0.188 

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Ligand Structure Quality Assessment 


This is version 1.3 of the entry. See complete history



Macromolecules
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Entity ID: 1
MoleculeChains Sequence LengthOrganismDetailsImage
Acetylcholinesterase543Tetronarce californicaMutation(s): 0 
EC: 3.1.1.7
UniProt
Find proteins for P04058 (Tetronarce californica)
Explore P04058 
Go to UniProtKB:  P04058
Entity Groups  
Sequence Clusters30% Identity50% Identity70% Identity90% Identity95% Identity100% Identity
UniProt GroupP04058
Sequence Annotations
Expand
  • Reference Sequence
Small Molecules
Ligands 2 Unique
IDChains Name / Formula / InChI Key2D Diagram3D Interactions
A1E
Query on A1E

Download Ideal Coordinates CCD File 
D [auth A](5R)-5-{[10-(1,2,3,4-TETRAHYDROACRIDIN-9-YLAMINO)DECYL]AMINO}-5,6,7,8-TETRAHYDROQUINOLIN-2(1H)-ONE
C32 H44 N4 O
ROTFGKJJMRTWBD-HHHXNRCGSA-N
NAG
Query on NAG

Download Ideal Coordinates CCD File 
B [auth A],
C [auth A]
2-acetamido-2-deoxy-beta-D-glucopyranose
C8 H15 N O6
OVRNDRQMDRJTHS-FMDGEEDCSA-N
Binding Affinity Annotations 
IDSourceBinding Affinity
A1E PDBBind:  1ZGB IC50: 8.8 (nM) from 1 assay(s)
Binding MOAD:  1ZGB IC50: 8.8 (nM) from 1 assay(s)
Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.30 Å
  • R-Value Free: 0.230 
  • R-Value Work: 0.188 
  • R-Value Observed: 0.188 
  • Space Group: P 31 2 1
Unit Cell:
Length ( Å )Angle ( ˚ )
a = 111.449α = 90
b = 111.449β = 90
c = 137.095γ = 120
Software Package:
Software NamePurpose
CNSrefinement
STRATEGYdata reduction
CCP4data scaling
XTALVIEWrefinement

Structure Validation

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Ligand Structure Quality Assessment 


Entry History 

Revision History  (Full details and data files)

  • Version 1.0: 2005-08-16
    Type: Initial release
  • Version 1.1: 2008-04-30
    Changes: Version format compliance
  • Version 1.2: 2011-07-13
    Changes: Non-polymer description, Version format compliance
  • Version 1.3: 2020-07-29
    Type: Remediation
    Reason: Carbohydrate remediation
    Changes: Data collection, Derived calculations, Structure summary