glycolate(in) + (S)-malate(out) = glycolate(out) + (S)-malate(in)
glycolate(in) + (s)-malate(out) = glycolate(out) + (s)-malate(in)
glycolate(in) + (S)-malate(out) = glycolate(out) + (S)-malate(in)
glycolate(in) + (s)-malate(out) = glycolate(out) + (s)-malate(in)