(S)-malate(out) + 3 Na(+)(out) <=> (S)-malate(in) + 3 Na(+)(in)
(s)-malate(out) + 3 na(+)(out) <=> (s)-malate(in) + 3 na(+)(in)
(S)-malate(out) + 3 Na(+)(out) <=> (S)-malate(in) + 3 Na(+)(in)
(s)-malate(out) + 3 na(+)(out) <=> (s)-malate(in) + 3 na(+)(in)