X-ray diffraction
4.5Å resolution


Source organism: Electrophorus electricus
Primary publication:
Quaternary Structure of Tetrameric Acetylcholinesterase
Structure and Function of Cholinesterases and Related Proteins (1998)

Function and Biology Details

Reaction catalysed:
Acetylcholine + H(2)O = choline + acetate

Structure analysis Details

Assembly composition:
homo dimer (preferred)
Entry contents:
1 distinct polypeptide molecule
Acetylcholinesterase Chain: A
Molecule details ›
Chain: A
Length: 534 amino acids
Theoretical weight: 60.46 KDa
Source organism: Electrophorus electricus
  • Canonical: P04058 (Residues: 22-555; Coverage: 95%)
Gene name: ache
Sequence domains: Carboxylesterase family

Ligands and Environments

No bound ligands
No modified residues

Experiments and Validation Details

Entry percentile scores
Spacegroup: F222
Unit cell:
a: 140.86Å b: 201.46Å c: 235.77Å
α: 90° β: 90° γ: 90°