The underscores were the sites for restriction digest.
下划线是限制性酶切位点。
Note: Underline sequences are cleavage sites of restriction enzyme.
注：标有下划线的碱基序列为限制酶切位点。
Restriction enzyme: Protein (more specifically, an endonuclease) produced by bacteria that cleaves DNA at specific sites along its length.
限制性内切：由细菌产生的一种蛋白质，能在特定的地方切断去氧核糖核酸分子。收藏。
Restriction enzyme: Protein (more specifically, an endonuclease) produced by bacteria that cleaves DNA at specific sites along its length.
限制性内切：由细菌产生的一种蛋白质，能在特定的地方切断去氧核糖核酸分子。收藏。
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