V2EX protein family

Protein Family

Definition / 定义

protein family蛋白质家族。指在序列、结构或功能上具有明显相似性、通常来源于共同进化祖先的一组蛋白质。常用于生物化学、分子生物学与基因组学中。(在更广义语境下也可指“同类蛋白的一组”。)

Pronunciation / 发音

/protin fmli/

Examples / 例句

Proteins in the same protein family often have similar functions.
同一蛋白质家族的蛋白通常具有相似的功能。

After sequencing the genome, researchers identified a new protein family whose members share a conserved domain involved in DNA repair.
在测序该基因组后,研究人员发现了一个新的蛋白质家族,其成员共享一个与 DNA 修复相关的保守结构域。

Etymology / 词源

protein 源自希腊语 prōteios(“第一的、最重要的”),强调蛋白质在生命中的基础地位;family 来自拉丁语 familia(“家族、群体”)。合在一起,“protein family”字面即“蛋白的家族”,引申为在进化与结构/功能上成群成类的蛋白集合。

Related Words / 相关词

Literary Works / 文学作品举例

  • Molecular Biology of the Cell(《细胞的分子生物学》)中常用“protein family”讨论受体、激酶等成组蛋白的结构与功能关系。
  • Lehninger Principles of Biochemistry(《雷宁格生物化学原理》)在酶与结构域章节中多次以“protein families”说明序列相似性与功能推断。
  • Campbell Biology(《坎贝尔生物学》)在基因表达与进化相关内容中使用该术语介绍同源蛋白与基因家族/蛋白家族的概念。
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