preferred_name: SeMet is converted to AdoSeMet by MAT (Xenopus tropicalis)
preferred_name_lc: semet is converted to adosemet by mat (xenopus tropicalis)
label: SeMet is converted to AdoSeMet by MAT (Xenopus tropicalis)
label_lc: semet is converted to adosemet by mat (xenopus tropicalis)