V2EX 3-phosphoglycerate

3-Phosphoglycerate

释义 Definition

3-磷酸甘油酸(3-PG):一种三碳的磷酸化有机酸,是糖酵解与光合作用卡尔文循环中的重要中间产物。在糖酵解中,它由1,3-二磷酸甘油酸转变而来;在卡尔文循环中,它是二氧化碳固定后的早期稳定产物之一。(该词在不同语境下也可简称为 3-PG。)

发音 Pronunciation (IPA)

/θri fsfolsret/

例句 Examples

3-phosphoglycerate is an intermediate in glycolysis.
3-磷酸甘油酸是糖酵解过程中的一种中间产物。

During photosynthesis, plants convert CO into 3-phosphoglycerate in the Calvin cycle before synthesizing sugars.
在光合作用中,植物在卡尔文循环里先把二氧化碳转化为3-磷酸甘油酸,然后再合成糖类。

词源 Etymology

该词由三部分构成:3- 表示磷酸基所在的碳原子位置;phospho- 来自“phosphate(磷酸/磷酸盐)”表示含磷酸基;glycerate 源自 glycer-(甘油),表示与甘油相关的“甘油酸”结构。合起来字面意思即“在3号碳上带磷酸基的甘油酸”。

h2>相关词 Related Words

文学与著作中的用例 Literary / Notable Works

  • Lehninger Principles of Biochemistry(《莱宁格生物化学原理》)
  • Biochemistry by Berg, Tymoczko & Stryer(《生物化学》,Stryer 等)
  • Molecular Biology of the Cell(《细胞的分子生物学》)
  • Campbell Biology(《坎贝尔生物学》)
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