{"title":"New method for scanning of single-nucleotide polymorphisms (SNPs): recognition of guanine-guanine mismatches by dimeric naphthyridine.","authors":"S Sando, K Nakatani, I Saito","doi":"10.1093/nass/44.1.119","DOIUrl":null,"url":null,"abstract":"<p><p>Dimeric naphthyridine was designed and synthesized as a novel ligand that specifically binds to G-G mismatch, one of four SNP types. In the presence of dimeric naphthyridine, CD spectra of the G-G mismatch containing duplex noticeably changed, being accompanied by the induced CD at 300-350 nm, whereas no CD spectral change was observed for normal duplex. DNaseI footprinting titration indicated a selective binding of dimeric naphthyridine to the G-G mismatch with a dissociation constant of 53 nM.</p>","PeriodicalId":19394,"journal":{"name":"Nucleic acids symposium series","volume":" 44","pages":"119-20"},"PeriodicalIF":0.0000,"publicationDate":"2000-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1093/nass/44.1.119","citationCount":"1","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Nucleic acids symposium series","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1093/nass/44.1.119","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 1
Abstract
Dimeric naphthyridine was designed and synthesized as a novel ligand that specifically binds to G-G mismatch, one of four SNP types. In the presence of dimeric naphthyridine, CD spectra of the G-G mismatch containing duplex noticeably changed, being accompanied by the induced CD at 300-350 nm, whereas no CD spectral change was observed for normal duplex. DNaseI footprinting titration indicated a selective binding of dimeric naphthyridine to the G-G mismatch with a dissociation constant of 53 nM.
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