4TVK

TORPEDO CALIFORNICA ACETYLCHOLINESTERASE IN COMPLEX WITH A CHLOROTACRINE-JUGLONE HYBRID INHIBITOR

• PDB DOI: https://doi.org/10.2210/pdb4TVK/pdb

• Classification: HYDROLASE
• Organism(s): Tetronarce californica
• Mutation(s): No 


• Deposited: 2014-06-27 Released: 2014-10-08 
• Deposition Author(s): Pesaresi, A., Samez, S., Lamba, D.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.30 Å
• R-Value Free: 0.225 
• R-Value Work: 0.185 
• R-Value Observed: 0.187 

Biological Assembly 1  

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Monomer - A1 

Biological assembly 1 assigned by authors and generated by PISA (software)

Macromolecule Content

• Total Structure Weight: 61.76 kDa 
• Atom Count: 4,627 
• Modelled Residue Count: 534 
• Deposited Residue Count: 534 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Acetylcholinesterase	A	534	Tetronarce californica	Mutation(s): 0  EC: 3.1.1.7
UniProt
Find proteins for P04058 (Tetronarce californica) Explore P04058  Go to UniProtKB:  P04058

Oligosaccharides

Help

Entity ID: 2
Molecule	Chains	Length	2D Diagram	Glycosylation	3D Interactions
2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose	B	2		N-Glycosylation
Glycosylation Resources
GlyTouCan:  G42666HT GlyCosmos:  G42666HT GlyGen:  G42666HT

Small Molecules

Ligands 2 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
TJH	E [auth A]	2-({2-[(6-chloro-1,2,3,4-tetrahydroacridin-9-yl)amino]ethyl}amino)-5-hydroxynaphthalene-1,4-dione C25 H22 Cl N3 O3 QOYHHKMVCBONOU-UHFFFAOYSA-N
NAG	C [auth A], D [auth A]	2-acetamido-2-deoxy-beta-D-glucopyranose C8 H15 N O6 OVRNDRQMDRJTHS-FMDGEEDCSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.30 Å
• R-Value Free: 0.225 
• R-Value Work: 0.185 
• R-Value Observed: 0.187 
• Space Group: P 3₁ 2 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 111.94	α = 90
b = 111.94	β = 90
c = 137.191	γ = 120

Software Package:

Software Name	Purpose
REFMAC	refinement
MOSFLM	data reduction
SCALA	data scaling
PHASER	phasing

Structure Validation

Entry History 

Deposition Data

• Released Date: 2014-10-08 
Deposition Author(s): Pesaresi, A., Samez, S., Lamba, D.

Revision History  

• Version 1.0: 2014-10-08
  Type: Initial release
  
• Version 1.1: 2014-11-05
  Changes: Database references
• Version 2.0: 2020-07-29
  Type: Remediation
  Reason: Carbohydrate remediation
  Changes: Atomic model, Data collection, Derived calculations, Structure summary
• Version 2.1: 2023-12-20
  Changes: Data collection, Database references, Refinement description, Structure summary