大學(xué)分子生物學(xué)：dna的復(fù)制-wenkub
2023-01-28 18:52:01 本頁面
【正文】 ng clamp（滑動夾環(huán)） 核心酶 Pol III Pol III’ Pol III* γ 復(fù) 合 體 β sliding clamp 二、解螺旋酶 (helicase)： A helicase is an enzyme that uses energy provided by NTP hydrolysis to separate the strands of a nucleic acid duplex 三、 SSB蛋白（單鏈結(jié)合蛋白） The singlestrand binding protein (SSB) attaches to singlestranded DNA, thereby preventing the DNA from forming a duplex ?防止單鏈復(fù)性 ?維持單鏈剛性狀態(tài) ?避免單鏈降解 ?The SSB binds as a monomer, but typically in a cooperative manner in which the binding of one protein molecule makes it much easier for another to bind 四、引發(fā)酶 (primase): The primase is a type of RNA polymerase that synthesizes short segments of RNA that will be used as primers for DNA replication. 為什么 DNA的合成需要 RNA引物？ 五、旋轉(zhuǎn)酶
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