V2EX phosphatase

Phosphatase

Definition / 释义

phosphatase(磷酸酶):一类,能催化把分子上的磷酸基团(phosphate)水解去除(即“去磷酸化”),常见于细胞信号传导、代谢调控等过程。常见类型如碱性磷酸酶(alkaline phosphatase)蛋白磷酸酶(protein phosphatase)等。

Pronunciation / 发音

/fsftes/(英式)
/fsftes/(美式)

Examples / 例句

Phosphatase removes phosphate groups from proteins.
磷酸酶会从蛋白质上去除磷酸基团。

In cell signaling, a kinase may activate a protein, while a phosphatase can reverse that activation by dephosphorylation.
在细胞信号传导中,激酶可能通过加磷酸来激活蛋白质,而磷酸酶可以通过去磷酸化来逆转这种激活。

Etymology / 词源

phosphate(磷酸盐/磷酸基团) + -ase(表示“酶”的后缀) 组成,字面意思就是“作用于磷酸(基团)的酶”。该命名方式常用于生化领域(如 lactase、protease 等)。

Related Words / 相关词

Notable Works / 著名作品

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