DNA夾(英語:DNA clamp)又稱滑鉗[1](sliding clamp)、滑動鉗[2]滑動壓板滑行夾,是一種蛋白質三級結構,為DNA複製過程中的持續合成能力-啟動因子(processivity-promoting factor),是DNA聚合酶III全酶的必要組成,可避免DNA聚合酶DNA模板分離,並提升DNA合成速率。

Thumb
聚集在一起的人類DNA夾,PCNA蛋白質的三聚體

外部連結

參考文獻

Wikiwand in your browser!

Seamless Wikipedia browsing. On steroids.

Every time you click a link to Wikipedia, Wiktionary or Wikiquote in your browser's search results, it will show the modern Wikiwand interface.

Wikiwand extension is a five stars, simple, with minimum permission required to keep your browsing private, safe and transparent.