{"title":"具有序列特异性DNA烷基化片段的发夹型吡咯-咪唑聚酰胺的分子设计。","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":"{\"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}","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}
Molecular design of hairpin pyrrole-imidazole polyamides possessing sequence specific DNA alkylating moiety.
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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