preferred_name: sulfate(in) + H(+)(in) <=> sulfate(out) + H(+)(out)
preferred_name_lc: sulfate(in) + h(+)(in) <=> sulfate(out) + h(+)(out)
label: sulfate(in) + H(+)(in) <=> sulfate(out) + H(+)(out)
label_lc: sulfate(in) + h(+)(in) <=> sulfate(out) + h(+)(out)