4WV9

Crystal structure of acetylcholine binding protein (AChBP) from Aplysia Californica in complex with click chemistry compound (3-exo)-8,8-dimethyl-3-[4-(pyridin-4-yl)-1H-1,2,3-triazol-1-yl]-8-azoniabicyclo[3.2.1]octane

• PDB DOI: https://doi.org/10.2210/pdb4WV9/pdb

• Classification: CHOLINE-BINDING PROTEIN
• Organism(s): Aplysia californica
• Expression System: Homo sapiens
• Mutation(s): No 


• Deposited: 2014-11-04 Released: 2015-04-22 
• Deposition Author(s): Talley, T.T., Bobango, J., Wu, J.M., Sankaran, B.
• Funding Organization(s): National Institutes of Health/National Institute of Neurological Disorders and Stroke (NIH/NINDS)

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.00 Å
• R-Value Free: 0.220 
• R-Value Work: 0.182 
• R-Value Observed: 0.184 

Literature

Crystal structure of acetylcholine binding protein (AChBP) from Aplysia Californica in complex with click chemistry compound.

Talley, T.T.

To be published.

Biological Assembly 1  

Global Symmetry: Cyclic - C5  (Explore in 3D)
Global Stoichiometry: Homo 5-mer - A5 

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

Macromolecule Content

• Total Structure Weight: 123.42 kDa 
• Atom Count: 8,998 
• Modelled Residue Count: 1,037 
• Deposited Residue Count: 1,080 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Soluble acetylcholine receptor	A, B, C, D, E	216	Aplysia californica	Mutation(s): 0
UniProt
Find proteins for Q8WSF8 (Aplysia californica) Explore Q8WSF8  Go to UniProtKB:  Q8WSF8

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
MD4	F [auth A], G [auth D]	(3-exo)-8,8-dimethyl-3-[4-(pyridin-4-yl)-1H-1,2,3-triazol-1-yl]-8-azoniabicyclo[3.2.1]octane C16 H22 N5 IRDLJZVYUZKXLE-QKDCVEJESA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.00 Å
• R-Value Free: 0.220 
• R-Value Work: 0.182 
• R-Value Observed: 0.184 
• Space Group: P 2₁ 2₁ 2₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 87.014	α = 90
b = 115.391	β = 90
c = 130.26	γ = 90

Software Package:

Software Name	Purpose
PHENIX	refinement
HKL-2000	data reduction
PDB_EXTRACT	data extraction
HKL-2000	data scaling
PHASER	phasing

Structure Validation

Entry History & Funding Information

Deposition Data

• Released Date: 2015-04-22 
Deposition Author(s): Talley, T.T., Bobango, J., Wu, J.M., Sankaran, B.

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Funding Organization	Location	Grant Number
National Institutes of Health/National Institute of Neurological Disorders and Stroke (NIH/NINDS)	United States	F32 NS043063-03

Revision History  

• Version 1.0: 2015-04-22
  Type: Initial release
  
• Version 1.1: 2017-09-06
  Changes: Data collection, Derived calculations, Source and taxonomy
• Version 1.2: 2017-09-20
  Changes: Author supporting evidence
• Version 1.3: 2019-12-18
  Changes: Author supporting evidence
• Version 1.4: 2023-12-27
  Changes: Data collection, Database references
• Version 1.5: 2024-10-16
  Changes: Structure summary