V2EX geranylgeranyl

Geranylgeranyl

Definition / 释义

geranylgeranyl香叶基香叶基(一种 C20 异戊二烯/萜类侧链),常指在生物化学中用于蛋白质“异戊烯化/烯丙基化”(prenylation)的疏水基团;也可指与该基团相关的化合物或取代基(如 geranylgeranyl pyrophosphate, GGPP 的衍生概念)。该词多用于科研语境。

Pronunciation / 发音

/dernidernl/

Examples / 例句

Geranylgeranyl groups help certain proteins stick to cell membranes.
香叶基香叶基侧链帮助某些蛋白质黏附在细胞膜上。

Inhibiting geranylgeranyl transferase can disrupt the membrane localization of small GTPases and change downstream signaling.
抑制香叶基香叶基转移酶可能会破坏小GTP酶的膜定位,并改变下游信号传导。

Etymology / 词源

该词由 geranyl(香叶基) + geranyl(香叶基) + -yl(表示“……基/取代基”)构成,字面含义接近“由两个香叶基组成的取代基”。在生物化学中,它特指来源于异戊二烯途径的 C20 侧链,常与 GGPP(香叶基香叶基焦磷酸)及蛋白质脂化修饰相关。

Related Words / 相关词

Literary Works / 文学作品

  • Lehninger Principles of Biochemistry(《雷宁格生物化学原理》;在异戊二烯/萜类代谢与蛋白质修饰相关章节常出现该术语)
  • Molecular Biology of the Cell(《细胞生物学》;涉及小GTP酶膜定位与蛋白质脂化修饰时常见)
  • Biochemistry by Berg, Tymoczko & Stryer(《斯特赖尔生物化学》;讨论蛋白质修饰与细胞信号时可能出现相关表述)
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