preferred_name: CDP-DAG is converted to PI by CDIPT (Xenopus tropicalis)
preferred_name_lc: cdp-dag is converted to pi by cdipt (xenopus tropicalis)
label: CDP-DAG is converted to PI by CDIPT (Xenopus tropicalis)
label_lc: cdp-dag is converted to pi by cdipt (xenopus tropicalis)