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