V2EX farnesyltransferase

Farnesyltransferase

释义 Definition

法呢基转移酶:一种催化“法呢基化(farnesylation)”的酶,把法呢基(一种异戊二烯类脂质基团,通常来自法呢基焦磷酸 FPP)转移到特定蛋白质末端的半胱氨酸上(常见于 CAAX 基序),从而帮助这些蛋白质更容易附着在细胞膜上并参与信号传导(如部分 Ras 蛋白的加工)。在抗癌药物研究中也常被讨论(如“法呢基转移酶抑制剂”)。

发音 Pronunciation (IPA)

/frnisltrnsfres/

例句 Examples

Farnesyltransferase modifies certain proteins so they can attach to cell membranes.
法呢基转移酶会修饰某些蛋白质,使它们能够附着在细胞膜上。

Because mutant Ras signaling can depend on lipid modification, researchers studied whether inhibiting farnesyltransferase could reduce tumor growth in specific models.
由于突变型 Ras 的信号活动可能依赖脂质修饰,研究人员考察抑制法呢基转移酶是否能在特定模型中降低肿瘤生长。

词源 Etymology

该词由三部分构成:**farnesyl-**(“法呢基”,源自 farnesol 相关命名,用于指一种萜类/异戊二烯衍生的脂质基团)+ transferase(“转移酶”,指催化“基团转移”的酶类后缀)。合起来字面意思就是“转移法呢基的酶”。

相关词 Related Words

文学与经典著作 Literary Works

  • Molecular Biology of the Cell(Alberts 等,《细胞的分子生物学》):在蛋白质膜定位与翻译后修饰(含异戊二烯化/法呢基化)相关章节中常出现。
  • Lehninger Principles of Biochemistry(《雷宁格生物化学原理》):在脂质衍生物、蛋白质修饰与信号转导内容中会涉及相关酶与反应。
  • The Biology of Cancer(Weinberg,《癌症生物学》):讨论 Ras 通路与潜在治疗策略时常提及法呢基化及法呢基转移酶抑制剂的背景。
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