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Home?>?Products & Services?>?Nucleic Acid?>?Nucleic?>?Molecular Cloning?>?快速T4 DNA連接酶

快速T4 DNA連接酶

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MonClone? Fast T4 DNA Ligase由攜帶T4噬菌體gene 30的大腸桿菌產(chǎn)生。該酶催化雙螺旋DNA或RNA之間的5'-磷酸基團(tuán)和3'-羥基之間形成磷酸二酯鍵。該酶在雙鏈DNA、RNA或者DNA/RNA復(fù)合物間可修復(fù)單鏈缺刻, 并且可以連接有粘性末端或者平末端的DNA片段,但對(duì)于單鏈核酸無活性,主要用于限制性內(nèi)切酶酶切產(chǎn)物DNA片段克隆、基因定點(diǎn)突變與PCR產(chǎn)物克隆、修復(fù)雙鏈DNA缺刻與線性DNA自環(huán)化。Fast T4 DNA Ligase需要ATP作為輔助因子,在室溫下完成粘性末端連接反應(yīng)僅需10分鐘。

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