5KZU

Crystal structure of an acetylcholine binding protein from Aplysia californica (Ac-AChBP) in complex with click chemistry compound 9-[[1-[8-methyl-8-(2-phenylethyl)-8-azoniabicyclo[3.2.1]octan-3-yl]triazol-4-yl]methyl]carbazole

• PDB DOI: https://doi.org/10.2210/pdb5KZU/pdb

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


• Deposited: 2016-07-25 Released: 2016-11-02 
• Deposition Author(s): Bobango, J., Wu, J., Talley, I.T., Sankaran, B., Talley, T.T.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.30 Å
• R-Value Free: 0.229 
• R-Value Work: 0.195 
• R-Value Observed: 0.196 

Literature

Crystal structure of a chimeric acetylcholine binding protein from Aplysia californica (Ac-AChBP) in complex with click chemistry compound 9-[[1-[8-methyl-8-(2-phenylethyl)-8-azoniabicyclo[3.2.1]octan-3-yl]triazol-4-yl]methyl]carbazole

Bobango, J., Wu, J., Talley, I.T., Sankaran, B., 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: 132.41 kDa 
• Atom Count: 8,375 
• Modelled Residue Count: 1,036 
• Deposited Residue Count: 1,150 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Soluble acetylcholine receptor	A, B, C, D, E	230	Aplysia californica	Mutation(s): 0
UniProt
Find proteins for Q8WSF8 (Aplysia californica) Explore Q8WSF8  Go to UniProtKB:  Q8WSF8

Small Molecules

Ligands 3 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
74S	K [auth D]	9-[[1-[8-methyl-8-(2-phenylethyl)-8-azoniabicyclo[3.2.1]octan-3-yl]triazol-4-yl]methyl]carbazole C31 H34 N5 DLTSAPZJTNDMKP-OYZUSPJKSA-N
PG4	G [auth A], I [auth C]	TETRAETHYLENE GLYCOL C8 H18 O5 UWHCKJMYHZGTIT-UHFFFAOYSA-N
SO4	F [auth A], H [auth B], J [auth D], L [auth E], M [auth E]	SULFATE ION O4 S QAOWNCQODCNURD-UHFFFAOYSA-L

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.30 Å
• R-Value Free: 0.229 
• R-Value Work: 0.195 
• R-Value Observed: 0.196 
• Space Group: P 4₁ 2₁ 2

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 98.33	α = 90
b = 98.33	β = 90
c = 268.43	γ = 90

Software Package:

Software Name	Purpose
PHENIX	refinement
xia2	data scaling
PHASER	phasing
PDB_EXTRACT	data extraction
HKL-2000	data reduction

Structure Validation

Entry History 

Deposition Data

• Released Date: 2016-11-02 
Deposition Author(s): Bobango, J., Wu, J., Talley, I.T., Sankaran, B., Talley, T.T.

Revision History  

• Version 1.0: 2016-11-02
  Type: Initial release
  
• Version 1.1: 2023-10-04
  Changes: Data collection, Database references, Derived calculations, Refinement description