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植物丙酮酸脱氢酶系及其调节酶的研究进展 被引量:1

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摘要 糖类需氧氧化过程的限速步骤是丙酮酸的脱羧氧化,催化此反应的酶是丙酮酸脱氢酶系(pyruvate dehydroge-nase complex,PDC)。PDC存在于线粒体中,其核心结构由三种酶组成。丙酮酸脱氢酶激酶(pyruvate dehydrogenase kinase,PDK),是PDC的负调控酶,负责催化丙酮酸脱氢酶(Pyruvate dehydrogenase,PDH)磷酸化使其失活。丙酮酸脱氢酶磷酸酶(Pyruvate dehydrogenase phosphatase,PDP)则催化已磷酸化的PDH去磷酸化使其复活。本文主要从酶的结构及作用机制方面作简单概述。
作者 谭才邓
出处 《广西轻工业》 2007年第6期7-9,共3页 Guangxi Journal of Light Industry
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