DNA Photo-Cross-Linking Using 3-Cyanovinylcarbazole Modified Oligonucleotide with Threoninol Linker
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- Takashi Sakamoto
- School of Materials Science, ‡Research Center for Bio-architecture, Japan Advanced Institute of Science and Technology, 1-1 Asahi-dai, Nomi, Ishikawa 923-1292, Japan
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- Yuya Tanaka
- School of Materials Science, ‡Research Center for Bio-architecture, Japan Advanced Institute of Science and Technology, 1-1 Asahi-dai, Nomi, Ishikawa 923-1292, Japan
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- Kenzo Fujimoto
- School of Materials Science, ‡Research Center for Bio-architecture, Japan Advanced Institute of Science and Technology, 1-1 Asahi-dai, Nomi, Ishikawa 923-1292, Japan
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説明
3-Cyanovinylcarbazole modified D-threoninol ((CNV)D) was incorporated in oligodeoxyribonucleotide and tested for a photo-cross-linking reaction with complementary oligodeoxyribonucleotide. The photoreactivity was 1.8- to 8-fold greater than that of 3-cyanovinylcarbazole modified deoxyribose ((CNV)K) previously reported. From the results of melting analysis and circular dichroism spectroscopy of the duplexes, the relatively flexible structure of (CNV)D compared with (CNV)K might be advantageous for [2 + 2] photocycloaddition between the cyanovinyl group on the (CNV)D and pyrimidine base in the complementary strand.
収録刊行物
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- Organic Letters
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Organic Letters 17 (4), 936-939, 2015-02-05
American Chemical Society (ACS)
