preferred_name: Two DITs combine to form thyroxine (Dictyostelium discoideum)
preferred_name_lc: two dits combine to form thyroxine (dictyostelium discoideum)
label: Two DITs combine to form thyroxine (Dictyostelium discoideum)
label_lc: two dits combine to form thyroxine (dictyostelium discoideum)