{"title":"Molecular design of hairpin pyrrole-imidazole polyamides possessing sequence specific DNA alkylating moiety.","authors":"Akihiko Narita, Toshikazu Bando, Hiroshi Sugiyama","doi":"10.1093/nass/3.1.119","DOIUrl":null,"url":null,"abstract":"<p><p>By conjugating pyrrole (Py)/imidazole (Im) hairpin polyamides with CBI, a stable alkylating moiety, we have developed a new type of DNA-sequence-specific alkylating agent. The sequence specificity and alkylation efficiency of the CBI conjugates were analyzed with high-resolution denaturing gel electrophoresis using linear 450- and 1000-bp DNA. The results demonstrate that CBI conjugates selectively alkylate adenine in specific sequences, whereas the previous type of alkylating polyamide, which contains segment A of DU-86, alkylates both adenine and guanine.</p>","PeriodicalId":86149,"journal":{"name":"Nucleic acids research. Supplement (2001)","volume":" 3","pages":"119-20"},"PeriodicalIF":0.0000,"publicationDate":"2003-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1093/nass/3.1.119","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Nucleic acids research. Supplement (2001)","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1093/nass/3.1.119","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
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Abstract
By conjugating pyrrole (Py)/imidazole (Im) hairpin polyamides with CBI, a stable alkylating moiety, we have developed a new type of DNA-sequence-specific alkylating agent. The sequence specificity and alkylation efficiency of the CBI conjugates were analyzed with high-resolution denaturing gel electrophoresis using linear 450- and 1000-bp DNA. The results demonstrate that CBI conjugates selectively alkylate adenine in specific sequences, whereas the previous type of alkylating polyamide, which contains segment A of DU-86, alkylates both adenine and guanine.
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