V2EX endoglycosidase

Endoglycosidase

Definition / 释义

内切糖苷酶:一类能在多糖或糖蛋白等分子内部(而不是末端)切断糖苷键的酶,常用于研究糖链结构或处理糖蛋白的糖基化。(注:在生物化学中也常特指某些“内切型”糖链水解酶,如 Endoglycosidase H 等。)

Pronunciation / 发音

/ndolaksdez/

Examples / 例句

The lab used endoglycosidase to cut the sugar chains from the protein.
实验室使用内切糖苷酶从蛋白质上切除糖链。

After treatment with endoglycosidase, the glycoprotein showed a lower molecular weight on the gel, suggesting successful removal of internal glycosidic linkages.
用内切糖苷酶处理后,该糖蛋白在凝胶上显示更低的分子量,提示其内部糖苷键被成功切断。

Etymology / 词源

由三部分构成:**endo-**(内、内部)+ **glycosid-**(与糖/糖苷有关,源自希腊语 glykys “甜”)+ -ase(酶的常见后缀)。整体字面意思就是“在内部切割糖苷键的酶”。

Related Words / 相关词

Literary Works / 文学作品

  • Essentials of Glycobiology(《糖生物学基础》;讨论多种糖苷酶,包括内切糖苷酶在糖链解析中的用途)
  • Molecular Biology of the Cell(《细胞的分子生物学》;涉及糖蛋白加工与实验中对糖链的酶学处理,常见相关术语)
  • Lehninger Principles of Biochemistry(《莱宁格生物化学原理》;在酶学与糖类代谢/糖苷键相关章节出现相关概念与术语)
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