preferred_name: EXA4 is converted to EXC4 by LTC4S (Dictyostelium discoideum)
preferred_name_lc: exa4 is converted to exc4 by ltc4s (dictyostelium discoideum)
label: EXA4 is converted to EXC4 by LTC4S (Dictyostelium discoideum)
label_lc: exa4 is converted to exc4 by ltc4s (dictyostelium discoideum)