A metal-free artificial restriction DNA cutter which is composed of cyclen and classical peptide nucleic acid (PNA) was synthesized. Analysis of DNA cleavage products indicates the site-selective hydrolysis.
                                    合成了一种不含
金属的人工限制性DNA切割酶,它由环烯和经典肽核酸(
PNA)组成。对DNA切割产物的分析表明,该酶具有位点选择性
水解作用。