malonate(out) + Na(+)(out) => malonate(in) + Na(+)(in)
malonate(out) + na(+)(out) => malonate(in) + na(+)(in)
malonate(out) + Na(+)(out) => malonate(in) + Na(+)(in)
malonate(out) + na(+)(out) => malonate(in) + na(+)(in)