V2EX dephosphorylate

Dephosphorylate

释义 Definition

dephosphorylate(动词):去磷酸化;指把蛋白质或其他分子上连接的磷酸基团(phosphate group)移除,常由磷酸酶(phosphatase)催化,从而改变分子的活性、结构或信号状态。(该词也可用于更广义的“移除磷酸基”。)

发音 Pronunciation (IPA)

/difsfrlet/(常见英式)
/difsfrlet/(常见美式)

例句 Examples

The enzyme can dephosphorylate the protein.
这种酶可以使该蛋白去磷酸化。

After the signal fades, phosphatases dephosphorylate key receptors, resetting the pathway to its baseline state.
当信号减弱后,磷酸酶会使关键受体去磷酸化,从而把通路“重置”回基础状态。

词源 Etymology

由 **de-**(表示“去除、相反”)+ phosphate(磷酸盐/磷酸基)+ -ylate(动词后缀,表示“使……发生某种化学修饰”)构成。整体字面意思就是“把磷酸化修饰去掉”,常与 phosphorylate(磷酸化)成对出现。

相关词 Related Words

文献与作品 Literary / Notable Works

  • Molecular Biology of the Cell(《细胞的分子生物学》;Alberts 等)常在细胞信号与蛋白修饰章节讨论“phosphorylate/dephosphorylate”对开关式调控的作用。
  • Lehninger Principles of Biochemistry(《雷宁格生物化学原理》;Nelson & Cox)在酶调控与代谢通路部分频繁出现去磷酸化相关表述。
  • Cell Signaling(《细胞信号转导》;Wendell Lim、Bruce Mayer、Tony Pawson 等相关教材/著作体系)大量使用“dephosphorylate”描述受体与下游蛋白的信号复位机制。
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