2Y2U

Nonaged form of Mouse Acetylcholinesterase inhibited by VX-Update

• PDB DOI: https://doi.org/10.2210/pdb2Y2U/pdb
• Entry: 2Y2U supersedes: 2JGH

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


• Deposited: 2010-12-16 Released: 2011-11-30 
• Deposition Author(s): Akfur, C., Artursson, E., Ekstrom, F.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.60 Å
• R-Value Free: 0.237 
• R-Value Work: 0.188 
• R-Value Observed: 0.189 

Starting Model: experimental

Literature

Methylphosphonate Adducts of Acetylcholinesterase Investigated by Time Correlated Single Photon Counting and X-Ray Crystallography

Akfur, C., Artursson, E., Ekstrom, F.

To be published.

Biological Assembly 1  

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

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

Biological Assembly 2  

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

Biological assembly 2 assigned by authors and generated by PISA (software)

Macromolecule Content

• Total Structure Weight: 122.2 kDa 
• Atom Count: 8,845 
• 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
Glycosylation
Glycosylation Sites: 2		Go to GlyGen: P21836-1

Small Molecules

Ligands 3 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
P33	K [auth B]	3,6,9,12,15,18-HEXAOXAICOSANE-1,20-DIOL C14 H30 O8 XPJRQAIZZQMSCM-UHFFFAOYSA-N
NAG	C [auth A], D [auth A], H [auth B]	2-acetamido-2-deoxy-beta-D-glucopyranose C8 H15 N O6 OVRNDRQMDRJTHS-FMDGEEDCSA-N
PEG	E [auth A], F [auth A], G [auth A], I [auth B], J [auth B]	DI(HYDROXYETHYL)ETHER C4 H10 O3 MTHSVFCYNBDYFN-UHFFFAOYSA-N

Modified Residues  1 Unique
ID	Chains	Type	Formula	2D Diagram	Parent
SVX	A, B	L-PEPTIDE LINKING	C6 H14 N O5 P		SER

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.60 Å
• R-Value Free: 0.237 
• R-Value Work: 0.188 
• R-Value Observed: 0.189 
• Space Group: P 2₁ 2₁ 2₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 78.914	α = 90
b = 110.368	β = 90
c = 227.178	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: 2011-11-30 
Deposition Author(s): Akfur, C., Artursson, E., Ekstrom, F.
• This entry supersedes: 2JGH

Revision History  

• Version 1.0: 2011-11-30
  Type: Initial release
  
• Version 1.1: 2018-01-17
  Changes: Data collection
• Version 1.2: 2020-07-29
  Type: Remediation
  Reason: Carbohydrate remediation
  Changes: Data collection, Derived calculations, Other, Structure summary
• Version 1.3: 2023-12-20
  Changes: Data collection, Database references, Refinement description, Structure summary