Atlas One · Host Biology · Scale 03 — Molecular

Acetylcholine

Quaternary ammonium ester (MW 182.65) synthesised by ChAT from acetyl-CoA + choline. Activates nicotinic (ionotropic) and muscarinic (GPCR) receptors at NMJ, autonomic ganglia, and CNS. AChE hydrolysis terminates signal in <1 ms. Deficiency underlies Alzheimer's disease.

Also known as: ACh, choline acetyltransferase product, acetylcholinesterase substrate

Scale 03 — MolecularScale
draftStatus
2026-06-05Last Reviewed
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acetylcholine

Acetylcholine

Quaternary ammonium ester (MW 182.65) synthesised by ChAT from acetyl-CoA + choline. Activates nicotinic (ionotropic) and muscarinic (GPCR) receptors at NMJ, autonomic ganglia, and CNS. AChE hydrolysis terminates signal in <1 ms. Deficiency underlies Alzheimer's disease.