a menaquinone + (S)-malate <=> a menaquinol + oxaloacetate
a menaquinone + (s)-malate <=> a menaquinol + oxaloacetate
a menaquinone + (S)-malate <=> a menaquinol + oxaloacetate
a menaquinone + (s)-malate <=> a menaquinol + oxaloacetate