Photoreaction of DNA Containing 5-Halouracil and its Products.
Photoreaction of DNA Containing 5-Halouracil and its Products.
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DOI:
10.1111/php.13521
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发表时间:
2022-05
影响因子:
3.3
通讯作者:
Sugiyama, Hiroshi
中科院分区:
文献类型:
--
作者:
Tashiro, Ryu;Sugiyama, Hiroshi
5-Halouracil, which is a DNA base analog in which the methyl group at the C5 position of thymine is replaced with a halogen atom, has been used in studies of DNA damage. In DNA strands, the uracil radical generated from 5-halouracil causes DNA damage via a hydrogen-abstraction reaction. We analyzed the photoreaction of 5-halouracil in various DNA structures and revealed that the reaction is DNA-structure dependent. In this review, we summarize the results of the analysis of the reactivity of 5-halouracil in various DNA local structures. Among the 5-halouracil molecules, 5-bromouracil has been used as a probe in the analysis of photo-induced electron transfer through DNA. The analysis of groove-binder/DNA and protein/DNA complexes using a 5-bromouracil-based electron transfer system is also described.
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