NCIt definition : Human DDC wild-type allele is located in the vicinity of 7p12.2 and is approximately
107 kb in length. This allele, which encodes aromatic-L-amino-acid decarboxylase protein,
is involved in monoamine neurotransmitter synthesis. Mutation of the gene is associated
with aromatic L-amino-acid decarboxylase deficiency (AADCD).;