V2EX membrane protein

Membrane Protein

定义 Definition

膜蛋白:位于细胞膜或细胞内膜系统(如线粒体膜、内质网膜)上,或嵌入膜内的蛋白质。常见功能包括物质转运(通道/载体)、信号传导(受体)、酶催化细胞识别/黏附等。(该术语也可泛指“与膜相关的蛋白质”,具体可分为整合膜蛋白与外周膜蛋白。)

发音 Pronunciation (IPA)

/mm.bren pro.tin/

例句 Examples

Membrane proteins help move substances into and out of cells.
膜蛋白帮助物质进出细胞。

Because membrane proteins are embedded in a lipid bilayer, scientists often use detergents to extract and study them.
由于膜蛋白嵌在脂质双层中,科学家常用去污剂将其提取出来并进行研究。

词源 Etymology

membrane 源自拉丁语 membrāna(“薄皮、膜”);protein 来自希腊语 prōteios(“第一的、最重要的”),强调蛋白质在生命中的关键地位。组合成 membrane protein,字面意思即“膜上的蛋白质”。

相关词 Related Words

文学与著作中的用例 Literary Works

  • 《Molecular Biology of the Cell》(《细胞的分子生物学》):在细胞膜结构与信号转导章节中频繁讨论膜蛋白的类型与功能。
  • 《Lehninger Principles of Biochemistry》(《雷宁格生物化学原理》):在膜与生物能量学、跨膜运输等部分系统讲解膜蛋白与膜脂环境的关系。
  • 《Campbell Biology》(《坎贝尔生物学》):在细胞膜与物质运输章节中以学习者友好的方式介绍膜蛋白(通道蛋白、载体蛋白、受体蛋白等)。
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