V2EX structural domain

Structural Domain

释义 Definition

“Structural domain”常指结构域:在蛋白质或其他大分子中,一个相对独立、能折叠成稳定三维结构并常承担特定功能的部分(也可泛指系统/学科中的“结构性领域”,但在生物化学与结构生物学中最常见的是前者)。

发音 Pronunciation (IPA)

/strktrl dmen/

例句 Examples

A protein can have more than one structural domain.
一种蛋白质可以含有不止一个结构域。

Researchers found that mutations in the structural domain disrupt folding, which indirectly weakens the protein’s ability to bind its target.
研究人员发现结构域中的突变会破坏折叠过程,从而间接削弱蛋白质与其靶标结合的能力。

词源 Etymology

Structural 来自拉丁语 structura(“建造、结构”),强调“构成方式/结构特征”。Domain 来自拉丁语 dominium(“所有权、统治范围”),引申为“领域/范围”。合起来,“structural domain”字面意思是“结构上的一个范围/区块”,在生物学里特指能形成独立结构单元的“结构域”。

相关词 Related Words

文学与著作中的用例 Literary Works

  • Molecular Biology of the Cell(Alberts 等,《细胞的分子生物学》)中在蛋白质结构与功能章节常讨论“domains/structural domains”。
  • Introduction to Protein Structure(Branden & Tooze,《蛋白质结构导论》)对结构域、折叠与功能模块化有系统阐述。
  • Lehninger Principles of Biochemistry(Nelson & Cox,《雷宁格生物化学原理》)在蛋白质结构层级与结构功能关系部分使用“domain/structural domain”等术语。
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