preferred_name: malate(out) + 3 Na(+)(out) <=> malate(in) + 3 Na(+)(in)
preferred_name_lc: malate(out) + 3 na(+)(out) <=> malate(in) + 3 na(+)(in)
label: malate(out) + 3 Na(+)(out) <=> malate(in) + 3 Na(+)(in)
label_lc: malate(out) + 3 na(+)(out) <=> malate(in) + 3 na(+)(in)