Linear and supercoiled DNA were cleaved by HPLC purified seryl histidine dipeptide(SH). It was found that the DNA fragments produced by the reaction of SH and DNA could be ligated together by T 4 DNA ligase. This resu...Linear and supercoiled DNA were cleaved by HPLC purified seryl histidine dipeptide(SH). It was found that the DNA fragments produced by the reaction of SH and DNA could be ligated together by T 4 DNA ligase. This result implied that the SH was the first example of the ion free artificial DNA cleavage agent that could split DNA by hydrolysis mechanism.展开更多
文摘Linear and supercoiled DNA were cleaved by HPLC purified seryl histidine dipeptide(SH). It was found that the DNA fragments produced by the reaction of SH and DNA could be ligated together by T 4 DNA ligase. This result implied that the SH was the first example of the ion free artificial DNA cleavage agent that could split DNA by hydrolysis mechanism.