V2EX prenylation

Prenylation

释义 Definition

异戊二烯基化/烯丙基化修饰:一种常见的蛋白质翻译后修饰,指把异戊二烯类脂质基团(如法呢基 farnesyl牛儿基 geranylgeranyl)共价连接到蛋白质(常见于半胱氨酸残基),从而影响蛋白质的膜定位、稳定性与信号传导功能。(该词也可更广泛指分子被“异戊二烯基”修饰的过程。)

发音 Pronunciation (IPA)

/prinalen/

例句 Examples

Prenylation helps some proteins attach to cell membranes.
异戊二烯基化能帮助某些蛋白质附着到细胞膜上。

Inhibiting prenylation can disrupt Ras signaling and affect cancer cell growth.
抑制异戊二烯基化可能干扰 Ras 信号通路,从而影响癌细胞生长。

词源 Etymology

prenylation 来自 prenyl(异戊二烯基/普烯基)+ -ation(表示“过程/作用”的名词后缀)。其中 prenyl 与异戊二烯(isoprene)相关,常用于描述生物体内由异戊二烯单元构成的脂质侧链(如法呢基、牛儿基)对分子的修饰。

相关词 Related Words

文献与著作 Literary / Notable Works

  • Molecular Biology of the Cell(《细胞的分子生物学》)中在讨论 Ras 等小 GTP 酶的膜定位时常提及 prenylation
  • Lehninger Principles of Biochemistry(《雷宁格生物化学原理》)在“蛋白质修饰与信号转导”相关章节会涉及 prenylation
  • 经典综述:Schafer & Rine(1992)关于蛋白质异戊二烯化与细胞功能的综述论文中频繁使用 prenylation
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