preferred_name: PI is exchanged with PC by PITPNB (Caenorhabditis elegans)
preferred_name_lc: pi is exchanged with pc by pitpnb (caenorhabditis elegans)
label: PI is exchanged with PC by PITPNB (Caenorhabditis elegans)
label_lc: pi is exchanged with pc by pitpnb (caenorhabditis elegans)