preferred_name: FUT2 transfers Fuc to LeX to form LeY (Canis familiaris)
preferred_name_lc: fut2 transfers fuc to lex to form ley (canis familiaris)
label: FUT2 transfers Fuc to LeX to form LeY (Canis familiaris)
label_lc: fut2 transfers fuc to lex to form ley (canis familiaris)