1.1.2.4 D-lactate dehydrogenase (cytochrome) methylglyoxal degradation methylglyoxal degradation 3.1.2.6 hydroxyacylglutathione hydrolase methylglyoxal degradation methylglyoxal degradation 4.2.1.130 D-lactate dehydratase methylglyoxal degradation methylglyoxal degradation 4.4.1.5 lactoylglutathione lyase methylglyoxal degradation methylglyoxal degradation