kinase

kinase — 名詞

1. a type of protein found inside living cells that speeds up the chemical reaction

1.名詞C1
釋義

激酶

激酶(能將磷酸基團轉移到其他分子的酶)

a type of protein found inside living cells that speeds up the chemical reaction of moving a phosphate group from one molecule (especially ATP) to another molecule, which is a key step in processes such as cell signaling and metabolism

例句

The biology textbook explained that a kinase adds a phosphate group to a protein to turn it on or off.

生物學課本解釋道,激酶會將磷酸基團加到蛋白質上,以開啟或關閉該蛋白質的功能。

kinase + that-clause for explaining function

Élise's lab team discovered a new kinase that controls how quickly skin cells multiply.

Élise 的實驗室團隊發現一種新型激酶,能控制皮膚細胞分裂的速度。

relative clause: kinase that controls [process]

同義詞
  • enzyme

    much broader category; all kinases are enzymes, but most enzymes are not kinases

  • phosphotransferase

    more technical term rarely used outside specialist biochemistry; kinase is the everyday scientific term

反義詞
  • phosphatase

    an enzyme that removes phosphate groups, performing the opposite chemical reaction

用法筆記

Most often encountered in academic biology, medical research, and pharmacology contexts. The process a kinase performs is called phosphorylation. To remember the function, note that the name comes from 'kinetic' (movement) — a kinase moves a phosphate group from one molecule to another.

常見錯誤

The enzyme removes a phosphate group, so it is called a kinase.
The enzyme removes a phosphate group, so it is called a phosphatase.
💡Kinases add phosphate groups; phosphatases remove them.