preferred_name: sulfate(in) + phosphate(out) => sulfate(out) + phosphate(in)
preferred_name_lc: sulfate(in) + phosphate(out) => sulfate(out) + phosphate(in)
label: sulfate(in) + phosphate(out) => sulfate(out) + phosphate(in)
label_lc: sulfate(in) + phosphate(out) => sulfate(out) + phosphate(in)