Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Metabolism of catecholamines and its interactions with C1 metabolism via S‐adenosylmethionine (SAM) and tetrahydrobiopterin (BH4). 5‐HIAA, 5‐hydroxyindole acetic acid; 5‐HT, 5‐hydroxytryptamine (serotonin); AADC, aromatic l‐amino acid decarboxylase; ALDH, aldehyde dehydrogenase; COMT, catechol‐O‐methyltransferase; DOPAC, 3,4‐dihydroxyphenylacetic acid; MAO, monoaminoxydase; PNMT, phenylethanolamine N‐methyltransferase.
