has role has role independent continuant tryptamine melatonin Melatonin A member of the class of acetamides that is acetamide in which one of the hydrogens attached to the nitrogen atom is replaced by a 2-(5-methoxy-1H-indol-3-yl)ethyl group. It is a hormone secreted by the pineal gland in humans. N-Acetyl-5-methoxytryptamine Wikipedia:Melatonin melatonin N-[2-(5-methoxyindol-3-yl)ethyl]acetamide 5-methoxy-N-acetyltryptamine melatonine MetaCyc:N-ACETYL-5-METHOXY-TRYPTAMINE CHEBI:25180 CHEBI:14577 CHEBI:6730 HMDB:HMDB0001389 KEGG:D08170 DrugBank:DB01065 CHEBI:16796 LINCS:LSM-4779 PDBeChem:ML1 KEGG:C01598 geroprotector acetamides hormone tryptamines central nervous system depressant anticonvulsant radical scavenger immunological adjuvant mouse metabolite human metabolite