(S)-malate(in) + 2 H(+)(in) => (S)-malate(out) + 2 H(+)(out)
(s)-malate(in) + 2 h(+)(in) => (s)-malate(out) + 2 h(+)(out)
(S)-malate(in) + 2 H(+)(in) => (S)-malate(out) + 2 H(+)(out)
(s)-malate(in) + 2 h(+)(in) => (s)-malate(out) + 2 h(+)(out)