(5-hydroxyindol-3-yl)acetaldehyde

1. serotonin + O2 + H2O = (5-hydroxyindol-3-yl)acetaldehyde + H2O2 + NH4(+)

Catalysed by MAOA

1. 5-Hydroxyindoleacetaldehyde:NAD+ Oxidoreductase, Mitochondrial

Catalysed by ALDH2, ALDH1B1mitochondrial matrixOne of 4 routes

1. serotonin + O2 + H2O = (5-hydroxyindol-3-yl)acetaldehyde + H2O2 + NH4(+)
2. acetyl-CoA:aralkylamine N-acetyltransferase

Catalysed by MAOA, AANATcytosol

1. serotonin + O2 + H2O = (5-hydroxyindol-3-yl)acetaldehyde + H2O2 + NH4(+)
2. transport of serotonin (cytosol to extracellular)

Catalysed by MAOA, SLCO1A2, SLCO1B3extracellular space, cytosolOne of 2 routes

1. serotonin + O2 + H2O = (5-hydroxyindol-3-yl)acetaldehyde + H2O2 + NH4(+)
2. acetyl-CoA:aralkylamine N-acetyltransferase
3. Carnitine O-Palmitoyltransferase

Catalysed by MAOA, AANAT, CPT1A, CPT1C and 1 morecytosolOne of 244 routes

1. serotonin + O2 + H2O = (5-hydroxyindol-3-yl)acetaldehyde + H2O2 + NH4(+)
2. transport of serotonin (cytosol to extracellular)
3. transport of S-glutathionyl-2-4-dinitrobenzene (cytosol to extracellular)