V2EX ubiquitin-like

Ubiquitin-like

释义 Definition(释义)

ubiquitin-like(形容词,生物化学/细胞生物学)指“类似泛素(ubiquitin)的;在结构、序列或功能上与泛素相似的”。常用于描述泛素样蛋白(ubiquitin-like proteins, UBLs)泛素样修饰(ubiquitin-like modification),如 SUMO、NEDD8、ISG15、Atg8/LC3 等参与蛋白质修饰与细胞调控的分子。

发音 Pronunciation(发音)

/jubkwtn lak/

例句 Examples(例句)

Ubiquitin-like proteins help regulate cellular processes.
泛素样蛋白有助于调控细胞过程。

The ubiquitin-like modifier SUMO can attach to target proteins and alter their localization, stability, or interactions without necessarily marking them for degradation.
泛素样修饰物 SUMO 可以连接到靶蛋白上,改变其定位、稳定性或相互作用,但不一定将其标记为降解。

词源 Etymology(词源)

ubiquitin 来自拉丁语 ubique(“到处、无处不在”)的概念,因为泛素在真核细胞中普遍存在;后缀 -in 常用于蛋白质命名。**-like** 表示“像……一样”。因此 ubiquitin-like 字面意思就是“像泛素一样的”,在生命科学语境中通常指与泛素相关的一类相似蛋白或修饰系统。

相关词 Related Words(相关词)

文学与著作中的用例 Literary Works(文学与著作中的用例)

  • Molecular Biology of the Cell(《细胞的分子生物学》)中在讲解蛋白质降解与细胞调控时常提及 ubiquitin-like 修饰系统(如 SUMOylation、NEDDylation)。
  • Lehninger Principles of Biochemistry(《莱宁格生物化学原理》)相关章节讨论泛素与泛素样蛋白修饰在代谢调控与蛋白质命运中的作用。
  • The Cell: A Molecular Approach(《细胞:分子方法》)在蛋白质稳态、信号转导与细胞应激部分常出现 ubiquitin-like 相关表述。
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