gene_symbol,description,uniprot_id,entrez_id,chromosomal_location
MAOA,"monoamine oxidase A ",P21397,4128,"chrX: 43,654,907-43,746,824"
MAOB,"monoamine oxidase B ",P27338,4129,"chrX: 43,766,611-43,882,447"
COMT,"catechol-O-methyltransferase ",P21964,1312,"chr22: 19,941,607-19,969,975"