sulfate(in) + phosphate(out) + H(+)(out) => sulfate(out) + phosphate(in) + H(+)(in)
sulfate(in) + phosphate(out) + h(+)(out) => sulfate(out) + phosphate(in) + h(+)(in)
sulfate(in) + phosphate(out) + H(+)(out) => sulfate(out) + phosphate(in) + H(+)(in)
sulfate(in) + phosphate(out) + h(+)(out) => sulfate(out) + phosphate(in) + h(+)(in)