preferred_name: PC is converted to PS by PTDSS1 (Xenopus tropicalis)
preferred_name_lc: pc is converted to ps by ptdss1 (xenopus tropicalis)
label: PC is converted to PS by PTDSS1 (Xenopus tropicalis)
label_lc: pc is converted to ps by ptdss1 (xenopus tropicalis)