Aromatic L-amino acid decarboxylase (AADC) deficiency (MIM #608643) is an autosomal recessive inborn error of monoamines. It is caused by a mutation in the DDC gene that leads to a deficiency in the AADC enzyme. The clinical features of this condition include a combination of dopamine. noradrenaline. https://www.roneverhart.com/Madrid-The-Leadfoot-Zak-Maytum-Pro-Model-32-Freeride-Deck-Performance-Series/