preferred_name: LTA4 is converted to LTC4 by LTC4S (Xenopus tropicalis)
preferred_name_lc: lta4 is converted to ltc4 by ltc4s (xenopus tropicalis)
label: LTA4 is converted to LTC4 by LTC4S (Xenopus tropicalis)
label_lc: lta4 is converted to ltc4 by ltc4s (xenopus tropicalis)