preferred_name: Cho is acetylated to AcCho by CHAT (Rattus norvegicus)
preferred_name_lc: cho is acetylated to accho by chat (rattus norvegicus)
label: Cho is acetylated to AcCho by CHAT (Rattus norvegicus)
label_lc: cho is acetylated to accho by chat (rattus norvegicus)