V2EX pyrophosphatase

Pyrophosphatase

释义 Definition

焦磷酸酶:一类酶,催化焦磷酸(PPi)水解生成两分子无机磷酸(Pi)。该反应常用于推动细胞内许多生物合成过程(如 DNA/RNA 合成、蛋白质合成中的某些步骤)向前进行;常见类型包括无机焦磷酸酶(inorganic pyrophosphatase)

发音 Pronunciation (IPA)

/parofsftes/
/parfsftes/

例句 Examples

Pyrophosphatase breaks down pyrophosphate into phosphate.
焦磷酸酶把焦磷酸分解成无机磷酸。

By removing pyrophosphate, pyrophosphatase helps drive DNA synthesis forward in the cell.
通过清除焦磷酸,焦磷酸酶有助于推动细胞内的 DNA 合成向前进行。

词源 Etymology

由三部分构成:**pyro-**(源自希腊语,意为“火”,在化学命名中常与“加热产生的/缩合形成的”相关,如“焦磷酸”)+ phosphate(磷酸盐)+ -ase(表示“酶”的后缀)。整体意思就是“作用于焦磷酸(或焦磷酸盐)的酶”。

相关词 Related Words

文学与著作中的用例 Literary Works

  • Lehninger Principles of Biochemistry(《雷宁格生物化学原理》)
  • Biochemistry (Berg, Tymoczko & Stryer)(《生物化学》Stryer 等)
  • Molecular Biology of the Cell(《细胞的分子生物学》)
  • Molecular Biology of the Gene(《基因的分子生物学》)
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