Function and Biology

Recombinant human acetylcholinesterase

Source organism: Homo sapiens

EC 3.1.1.7: Acetylcholinesterase

Reaction catalysed:
Acetylcholine + H(2)O = choline + acetate
Systematic name:
Acetylcholine acetylhydrolase
Alternative Name(s):
  • AcCholE
  • Acetyl.beta-methylcholinesterase
  • Acetylcholine hydrolase
  • Acetylthiocholinesterase
  • Choline esterase I
  • Cholinesterase
  • True cholinesterase

Sequence family

Pfam Protein family (Pfam)
PF00135
Domain description: Carboxylesterase family
Occurring in:
  1. Acetylcholinesterase
The deposited structure of PDB entry 3lii contains 2 copies of Pfam domain PF00135 (Carboxylesterase family) in Acetylcholinesterase. Showing 1 copy in chain A.

InterPro InterPro annotations
IPR000997
Domain description: Cholinesterase
Occurring in:
  1. Acetylcholinesterase
IPR029058
Domain description: Alpha/Beta hydrolase fold
Occurring in:
  1. Acetylcholinesterase
IPR019826
Domain description: Carboxylesterase type B, active site
Occurring in:
  1. Acetylcholinesterase
IPR019819
Domain description: Carboxylesterase type B, conserved site
Occurring in:
  1. Acetylcholinesterase
IPR002018
Domain description: Carboxylesterase, type B
Occurring in:
  1. Acetylcholinesterase

Structure domain

CATH CATH domain
3.40.50.1820
Class: Alpha Beta
Architecture: 3-Layer(aba) Sandwich
Topology: Rossmann fold
Homology: alpha/beta hydrolase
Occurring in:
  1. Acetylcholinesterase
The deposited structure of PDB entry 3lii contains 2 copies of CATH domain 3.40.50.1820 (Rossmann fold) in Acetylcholinesterase. Showing 1 copy in chain A.