Article
8-oxoguanine DNA glycosylases: one lesion, three subfamilies.
International journal of molecular sciences - 1 Jan 2012
Faucher Frédérick, Doublié Sylvie, Jia Zongchao
Abstract excerpt
Amongst the four bases that form DNA, guanine is the most susceptible to oxidation, and its oxidation product, 7,8-dihydro-8-oxoguanine (8-oxoG) is the most prevalent base lesion found in DNA. Fortunately, throughout evolution cells have developed repair mechanisms, such as the 8-oxoguanine DNA glycosylases (OGG), which recognize and excise 8-oxoG from DNA thereby preventing the accumulation of deleterious...
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