V2EX glycine

Glycine

定义 Definition

甘氨酸:一种最简单的氨基酸(侧链为氢原子),属于人体可自行合成的非必需氨基酸。它是蛋白质的基本组成单位之一,常见于胶原蛋白中;在神经系统中也可作为抑制性神经递质参与信号传递。

发音 Pronunciation

/lasin/

例句 Examples

Glycine is an amino acid.
甘氨酸是一种氨基酸。

In collagen, glycine appears at every third position, helping the triple helix pack tightly.
在胶原蛋白中,甘氨酸几乎每隔两个氨基酸就出现一次,帮助三股螺旋结构紧密排列。

词源 Etymology

glycine来自希腊语词根 glykys(意为“甜的”),因为甘氨酸在早期被发现具有微甜的味道;后缀 -ine 常用于化学与生物化学名词(表示某种物质)。

相关词 Related Words

文学与著作中的用例 Literary Works

  • Lehninger Principles of Biochemistry(《莱宁格生物化学原理》)
  • Biochemistry by Berg, Tymoczko & Stryer(《生物化学》教材)
  • Molecular Biology of the Cell(《细胞的分子生物学》)
  • Campbell Biology(《坎贝尔生物学》)
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