V2EX proprotein

Proprotein

释义 Definition

proprotein(前体蛋白):指一种尚未成熟、需要经过特定加工(如蛋白水解切割、修饰)后才能转变为具有最终生物活性的蛋白质的“前体”形式。常见于激素、神经肽、酶原等的生成过程中。

发音 Pronunciation (IPA)

/proprotin/

例句 Examples

Proprotein convertases cut proproteins into active hormones.
前体蛋白转化酶会把前体蛋白切割成有活性的激素。

The gene encodes a proprotein that undergoes cleavage in the Golgi apparatus, producing multiple peptides with distinct functions.
该基因编码一种前体蛋白,它在高尔基体中被切割,从而产生多种功能各异的肽段。

词源 Etymology

由 **pro-**(表示“在前、前体”)+ protein(蛋白质)构成,字面意思就是“蛋白质的前体”。在生物化学与分子生物学语境中,用来强调该蛋白需要经过后续加工步骤才会“成熟/激活”。

相关词 Related Words

文献与作品 Notable Works

  • Molecular Biology of the Cell(《细胞的分子生物学》):讨论分泌途径中前体蛋白的加工与运输。
  • Lehninger Principles of Biochemistry(《雷宁格生物化学原理》):在蛋白质加工、酶原激活等章节中涉及 proprotein/proprotein processing。
  • 综述与研究论文常见于 NatureScienceCell 等期刊,尤其在“proprotein convertases(前体蛋白转化酶)”“hormone processing(激素加工)”相关主题中频繁出现。
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