Function and Biology

Human butyrylcholinesterase in complex with zinc and N,N,N-trimethyl-2-oxo-2-(2-(pyridin-2-ylmethylene)hydrazineyl)ethan-1-aminium

Source organism: Homo sapiens
Biochemical function: carboxylic ester hydrolase activity
Biological process: response to folic acid
Cellular component: blood microparticle

EC 3.1.1.8: Cholinesterase

Reaction catalysed:
An acylcholine + H(2)O = choline + a carboxylate
Systematic name:
Acylcholine acylhydrolase
Alternative Name(s):
  • Benzoylcholinesterase
  • BtChoEase
  • Butyrylcholine esterase
  • Butyrylcholinesterase
  • Choline esterase
  • Choline esterase II (unspecific)
  • Non-specific cholinesterase
  • Propionylcholinesterase
  • Pseudocholineesterase
  • Pseudocholinesterase

Sequence family

Pfam Protein family (Pfam)
PF00135
Domain description: Carboxylesterase family
Occurring in:
  1. Cholinesterase
The deposited structure of PDB entry 8am1 contains 1 copy of Pfam domain PF00135 (Carboxylesterase family) in Cholinesterase. Showing 1 copy in chain A.