preferred_name: PC is converted to PS by PTDSS1 (Drosophila melanogaster)
preferred_name_lc: pc is converted to ps by ptdss1 (drosophila melanogaster)
label: PC is converted to PS by PTDSS1 (Drosophila melanogaster)
label_lc: pc is converted to ps by ptdss1 (drosophila melanogaster)