V2EX deubiquitinase

Deubiquitinase

释义 Definition

去泛素酶:一种酶(多为蛋白酶类),能把蛋白质上连接的泛素(ubiquitin)分子切除或修剪,从而调控蛋白质的稳定性、降解(如是否进入蛋白酶体途径)、定位与信号传导等。常缩写为 DUB。(在生物医学语境中最常用此义。)

发音 Pronunciation (IPA)

/dijuwkwtnez/

例句 Examples

Deubiquitinase enzymes can remove ubiquitin from proteins.
去泛素酶可以把蛋白质上的泛素移除。

By reversing ubiquitination, a deubiquitinase may stabilize a signaling protein and alter the cell’s response to stress.
通过逆转泛素化作用,去泛素酶可能稳定某些信号蛋白,从而改变细胞对压力的反应。

词源 Etymology

由三部分构成:de-(表示“去除、逆转”)+ ubiquitin(“泛素”,一种广泛存在于真核细胞的蛋白质标记分子)+ -ase(“酶”的后缀)。字面意思就是“去除泛素的酶”。

相关词 Related Words

文献与著作中的用例 Literary / Notable Works

  • Molecular Biology of the Cell(Alberts 等):在介绍泛素-蛋白酶体系统与蛋白质周转时,常提及去泛素化/去泛素酶的作用。
  • Lehninger Principles of Biochemistry(Nelson & Cox):在蛋白质降解与泛素化途径相关章节中可见相关术语与概念。
  • Annual Review of Biochemistry 等综述文章:多篇“ubiquitin system / deubiquitinating enzymes”主题综述中频繁出现 deubiquitinase(如讨论DUB家族在信号调控与疾病中的角色)。
  • Ubiquitin and the Biology of the Cell(专题学术书):围绕泛素系统的研究进展,包含去泛素化酶在通路中的功能描述。
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