V2EX deacetylase

Deacetylase

定义 Definition

脱乙酰酶:一类酶,能够去除分子(常见为蛋白质或小分子)上的乙酰基(acetyl group)。在生物学中常见的是组蛋白脱乙酰酶(histone deacetylase, HDAC),与基因表达调控和表观遗传相关。

发音 Pronunciation (IPA)

/disitles/

例句 Examples

This drug inhibits a deacetylase.
这种药物会抑制一种脱乙酰酶。

Histone deacetylases regulate gene expression by removing acetyl groups from lysine residues on histones.
组蛋白脱乙酰酶通过移除组蛋白上赖氨酸残基的乙酰基来调控基因表达。

词源 Etymology

de-(表示“去除、反向”)+ acetyl(乙酰基)+ -ase(“酶”的常见后缀)构成,字面意思就是“去除乙酰基的酶”。

相关词 Related Words

文献与著作 Literary / Notable Works

  • Molecular Biology of the Cell(《细胞的分子生物学》)在表观遗传与染色质调控章节中常讨论脱乙酰酶(尤其是HDAC)。
  • Lehninger Principles of Biochemistry(《雷宁格生物化学原理》)在蛋白质修饰与酶学相关内容中涉及乙酰化/去乙酰化过程。
  • Epigenetics(Allis, Jenuwein, Reinberg 等编著)系统讨论组蛋白修饰网络,包含大量关于(组蛋白)脱乙酰酶的内容。
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