The malate(EC 1.1.1.37)and lactate(EC 1.1.1.27)dehydrogenases are themetabolic enzymes directly or indirectly involved in energy production,gluconeogenesis and lipogenesis.Malate dehydrogenase(MDH)exists in twoisoenzy...The malate(EC 1.1.1.37)and lactate(EC 1.1.1.27)dehydrogenases are themetabolic enzymes directly or indirectly involved in energy production,gluconeogenesis and lipogenesis.Malate dehydrogenase(MDH)exists in twoisoenzymic forms,cytoplasmic(cMDH)and mitochondrial(mMDH),composed of Aand/or B subunits(dimeric molecule:MW 40,000-120,000).Lactate dehydrogenase(LDH)has tetrameric(MW 35,000-110,000)structure made up of either A and/or B,orC(C,E,F)subunits.They catalyze an ordered bisubstrate(substrate and coenzyme)展开更多
文摘The malate(EC 1.1.1.37)and lactate(EC 1.1.1.27)dehydrogenases are themetabolic enzymes directly or indirectly involved in energy production,gluconeogenesis and lipogenesis.Malate dehydrogenase(MDH)exists in twoisoenzymic forms,cytoplasmic(cMDH)and mitochondrial(mMDH),composed of Aand/or B subunits(dimeric molecule:MW 40,000-120,000).Lactate dehydrogenase(LDH)has tetrameric(MW 35,000-110,000)structure made up of either A and/or B,orC(C,E,F)subunits.They catalyze an ordered bisubstrate(substrate and coenzyme)