V2EX n-acetylglucosamine

N-Acetylglucosamine

释义 Definition

N-乙酰葡萄糖胺(常缩写为 GlcNAc):一种由葡萄糖胺衍生的氨基糖,是许多生物结构与糖链的重要组成部分,常见于几丁质(如甲壳类外骨骼、真菌细胞壁)以及人体与动物的糖蛋白/糖脂修饰中(如 O-GlcNAc 修饰)。也可作为膳食补充剂相关研究中的成分之一。

发音 Pronunciation (IPA)

/n sitlluksemin/

例句 Examples

N-acetylglucosamine is a building block of chitin.
N-乙酰葡萄糖胺是几丁质的基本构成单位之一。

Researchers measured changes in protein function after adding an O-GlcNAc modification derived from N-acetylglucosamine.
研究人员测量了在添加由N-乙酰葡萄糖胺来源的 O-GlcNAc 修饰后,蛋白质功能发生的变化。

词源 Etymology

该词由三部分构成:N- 表示取代发生在氮原子上;acetyl(乙酰)指引入了乙酰基;glucosamine(葡萄糖胺)是“葡萄糖 + 胺”的化学命名。合起来即“在氮上乙酰化的葡萄糖胺”。

相关词 Related Words

文献与作品 Literary / Notable Works

  • Essentials of Glycobiology(《糖生物学要义》)在糖链结构与GlcNAc相关章节中频繁出现。
  • Lehninger Principles of Biochemistry(《莱宁格生物化学原理》)涉及氨基糖、糖复合物与相关代谢时提到。
  • Molecular Biology of the Cell(《细胞的分子生物学》)在细胞表面糖链与蛋白修饰(如O-GlcNAc)相关内容中出现。
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