preferred_name: D-arabinose(in) + H(+)(in) => D-arabinose(out) + H(+)(out)
preferred_name_lc: d-arabinose(in) + h(+)(in) => d-arabinose(out) + h(+)(out)
label: D-arabinose(in) + H(+)(in) => D-arabinose(out) + H(+)(out)
label_lc: d-arabinose(in) + h(+)(in) => d-arabinose(out) + h(+)(out)