4ZK4 | pdb_00004zk4

Crystal structure of a chimeric acetylcholine binding protein from Aplysia californica (Ac-AChBP) containing loop C from the human alpha 3 nicotinic acetylcholine receptor in complex with 7-(5-isopropoxy-pyridin-3-yl)-1-methyl-1,7-diaza-spiro[4.4]nonane


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.90 Å
  • R-Value Free: 
    0.212 (Depositor), 0.213 (DCC) 
  • R-Value Work: 
    0.181 (Depositor), 0.185 (DCC) 
  • R-Value Observed: 
    0.183 (Depositor) 

Starting Models: experimental
View more details

wwPDB Validation 3D Report Full Report

Validation slider image for 4ZK4

Ligand Structure Quality Assessment 


This is version 1.2 of the entry. See complete history

Literature

Crystal structure of a chimeric acetylcholine binding protein from Aplysia californica (Ac-AChBP) containing loop C from the human alpha 3 nicotinic acetylcholine receptor in complex with 7-(5-isopropoxy-pyridin-3-yl)-1-methyl-1,7-diaza-spiro[4.4]nonane.

Bobango, J.Wu, J.Talley, T.T.

To be published.

Macromolecule Content 

  • Total Structure Weight: 132.27 kDa 
  • Atom Count: 8,496 
  • Modeled Residue Count: 1,034 
  • Deposited Residue Count: 1,145 
  • Unique protein chains: 1

Macromolecules

Find similar proteins by:|  3D Structure
Entity ID: 1
MoleculeChains  Sequence LengthOrganismDetailsImage
soluble acetylcholine receptor, neuronal acetylcholine receptor subunit alpha-3 chimera
A, B, C, D, E
229Aplysia californicaHomo sapiensMutation(s): 2 
UniProt & NIH Common Fund Data Resources
Find proteins for P32297 (Homo sapiens)
Explore P32297 
Go to UniProtKB:  P32297
PHAROS:  P32297
GTEx:  ENSG00000080644 
Find proteins for Q8WSF8 (Aplysia californica)
Explore Q8WSF8 
Go to UniProtKB:  Q8WSF8
Entity Groups
Sequence Clusters30% Identity50% Identity70% Identity90% Identity95% Identity100% Identity
UniProt GroupsQ8WSF8P32297
Sequence Annotations
Expand
Reference Sequence

Small Molecules

Ligands 4 Unique
IDChains Name / Formula / InChI Key2D Diagram3D Interactions
TII

Query on TII



Download:Ideal Coordinates CCD File
K [auth C],
N [auth E]
(5R)-1-methyl-7-[5-(propan-2-yloxy)pyridin-3-yl]-1,7-diazaspiro[4.4]nonane
C16 H25 N3 O
KVSRTRCOWRKRQB-MRXNPFEDSA-N
PG4

Query on PG4



Download:Ideal Coordinates CCD File
I [auth A]TETRAETHYLENE GLYCOL
C8 H18 O5
UWHCKJMYHZGTIT-UHFFFAOYSA-N
SO4

Query on SO4



Download:Ideal Coordinates CCD File
G [auth A],
H [auth A],
J [auth B],
L [auth C],
M [auth D]
SULFATE ION
O4 S
QAOWNCQODCNURD-UHFFFAOYSA-L
MG

Query on MG



Download:Ideal Coordinates CCD File
F [auth A],
O [auth E]
MAGNESIUM ION
Mg
JLVVSXFLKOJNIY-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.90 Å
  • R-Value Free:  0.212 (Depositor), 0.213 (DCC) 
  • R-Value Work:  0.181 (Depositor), 0.185 (DCC) 
  • R-Value Observed: 0.183 (Depositor) 
Space Group: P 1 21 1
Unit Cell:
Length ( Å )Angle ( ˚ )
a = 70.662α = 90
b = 78.205β = 94.97
c = 120.465γ = 90
Software Package:
Software NamePurpose
HKL-2000data scaling
PHENIXrefinement
PDB_EXTRACTdata extraction
HKL-2000data reduction
PHASERphasing

Structure Validation

View Full Validation Report



Ligand Structure Quality Assessment 


Entry History 

Deposition Data

Revision History  (Full details and data files)

  • Version 1.0: 2015-05-13
    Type: Initial release
  • Version 1.1: 2023-09-27
    Changes: Data collection, Database references, Derived calculations, Refinement description, Source and taxonomy, Structure summary
  • Version 1.2: 2024-10-16
    Changes: Structure summary