mpark
The 420 bp PCR fragment can be blunt ended and then using blunt ending ligation to clone into pUC or pBlueScript first. After screening and sequencing confirmation, cut off the insert and clone into pET28.
thank you 我今天做了新的酶切 并且用切之前的做了对照 发现pet28b切之后的大小变得很大 得8000以上 而对照是5000多正常的,是不是我酶切的问题啊?