4B84

Mus musculus Acetylcholinesterase in complex with N-(2-Diethylamino- ethyl)-3-trifluoromethyl-benzenesulfonamide

• PDB DOI: https://doi.org/10.2210/pdb4B84/pdb

• Classification: HYDROLASE
• Organism(s): Mus musculus
• Expression System: Homo sapiens
• Mutation(s): No 


• Deposited: 2012-08-24 Released: 2013-09-04 
• Deposition Author(s): Andersson, C.D., Forsgren, N., Akfur, C., Allgardsson, A., Berg, L., Qian, W., Ekstrom, F., Linusson, A.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.60 Å
• R-Value Free: 0.235 
• R-Value Work: 0.176 
• R-Value Observed: 0.177 

Biological Assembly 1  

Global Symmetry: Cyclic - C2  (Explore in 3D)
Global Stoichiometry: Homo 2-mer - A2 

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

Macromolecule Content

• Total Structure Weight: 123.19 kDa 
• Atom Count: 8,863 
• Modelled Residue Count: 1,069 
• Deposited Residue Count: 1,096 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
ACETYLCHOLINESTERASE	A, B	548	Mus musculus	Mutation(s): 0  EC: 3.1.1.7
UniProt & NIH Common Fund Data Resources
Find proteins for P21836 (Mus musculus) Explore P21836  Go to UniProtKB:  P21836
IMPC:  MGI:87876

Small Molecules

Ligands 5 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
Z5K	H [auth A], J [auth B], L [auth B]	N-[2-(diethylamino)ethyl]-3-(trifluoromethyl)benzenesulfonamide C13 H19 F3 N2 O2 S LCVUXYUASXEIMC-UHFFFAOYSA-N
P6G	M [auth B]	HEXAETHYLENE GLYCOL C12 H26 O7 IIRDTKBZINWQAW-UHFFFAOYSA-N
P3G	D [auth A], E [auth A], G [auth A], I [auth B]	3,6,9,12,15-PENTAOXAHEPTADECANE C12 H26 O5 HYDWALOBQJFOMS-UHFFFAOYSA-N
NAG	C [auth A]	2-acetamido-2-deoxy-beta-D-glucopyranose C8 H15 N O6 OVRNDRQMDRJTHS-FMDGEEDCSA-N
SO4	F [auth A], K [auth B]	SULFATE ION O4 S QAOWNCQODCNURD-UHFFFAOYSA-L

Binding Affinity Annotations
ID	Source	Binding Affinity
Z5K	BindingDB:  4B84	Kd: 1.48e+4 (nM) from 1 assay(s)
		IC50: 2.20e+4 (nM) from 1 assay(s)
	PDBBind:  4B84	IC50: 2.20e+4 (nM) from 1 assay(s)

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.60 Å
• R-Value Free: 0.235 
• R-Value Work: 0.176 
• R-Value Observed: 0.177 
• Space Group: P 2₁ 2₁ 2₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 79.158	α = 90
b = 112.356	β = 90
c = 227.24	γ = 90

Software Package:

Software Name	Purpose
PHENIX	refinement
XDS	data reduction
SCALA	data scaling
REFMAC	phasing

Structure Validation

Entry History 

Deposition Data

• Released Date: 2013-09-04 
Deposition Author(s): Andersson, C.D., Forsgren, N., Akfur, C., Allgardsson, A., Berg, L., Qian, W., Ekstrom, F., Linusson, A.

Revision History  

• Version 1.0: 2013-09-04
  Type: Initial release
  
• Version 1.1: 2013-09-11
  Changes: Database references
• Version 1.2: 2013-10-30
  Changes: Database references
• Version 1.3: 2018-01-17
  Changes: Data collection
• Version 1.4: 2020-07-29
  Type: Remediation
  Reason: Carbohydrate remediation
  Changes: Data collection, Derived calculations, Other, Structure summary
• Version 1.5: 2023-12-20
  Changes: Data collection, Database references, Refinement description, Structure summary