V2EX atp synthase

ATP Synthase

Definition 定义

ATP synthase(ATP 合酶)是一种存在于线粒体内膜、叶绿体类囊体膜以及细菌细胞膜上的关键酶复合体,利用跨膜的质子(H)电化学梯度所提供的能量,把 ADP + 无机磷酸(Pi)合成为细胞通用“能量货币”ATP。它常被描述为一种“分子马达”,包含膜内的 F 部分(质子通道)和膜外的 F 部分(催化合成 ATP)。

Pronunciation 发音

/e ti pi snθes/

Examples 例句

ATP synthase makes ATP from ADP and phosphate.
ATP 合酶把 ADP 和磷酸盐合成为 ATP。

In mitochondria, ATP synthase uses the proton gradient created by the electron transport chain to drive ATP production.
在线粒体中,ATP 合酶利用电子传递链建立的质子梯度来驱动 ATP 的生成。

Etymology 词源

ATPadenosine triphosphate(腺苷三磷酸)的缩写;synthase 来自 synthesize(合成),词根与希腊语 *syn-*(“一起”)和 thesis(“放置、安排”)相关,整体含义可理解为“把东西组合起来进行合成的酶”。该名称直观表达了它的核心功能:合成 ATP。(在生物化学命名中,synthase 通常强调“合成”,不一定直接表示是否依赖 ATP;而 ATP synthase 的特殊之处在于它通过质子梯度驱动合成。)

Related Words 相关词

Notable Works 出现于著作

  • Lehninger Principles of Biochemistry(《雷宁格生物化学原理》)
  • Molecular Biology of the Cell(Alberts,《细胞的分子生物学》)
  • Biochemistry(Berg, Tymoczko & Stryer,《生物化学》)
  • Peter Mitchell 的化学渗透学说相关论文(提出质子梯度驱动 ATP 合成的理论框架)
  • Campbell Biology(《坎贝尔生物学》)
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