ArticleBiochemistry2012
Thermodynamic signature of DNA damage: characterization of DNA with a 5-hydroxy-2'-deoxycytidine·2'-deoxyguanosine base pair.
Article in Biochemistry, 2012. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.
What it found
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Who cites it
3 citing papers in PubMed.
- Article
- Looking for Waldo: a potential thermodynamic signature to DNA damage.Accounts of chemical research · 2014Article
- Identification and characterization of human apurinic/apyrimidinic endonuclease-1 inhibitors.Biochemistry · 2012Article
Corrections and comments
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Authors and funding
6 authors.
Funding
Abstract
Oxidation of DNA due to exposure to reactive oxygen species is a major source of DNA damage. One of the oxidation lesions formed, 5-hydroxy-2'-deoxycytidine, has been shown to miscode by some replicative DNA polymerases but not by error prone polymerases capable of translesion synthesis. The 5-hydroxy-2'-deoxycytidine lesion is repaired by DNA glycosylases that require the 5-hydroxycytidine base to be extrahelical so it can enter into the enzyme's active site where it is excised off the DNA backbone to afford an abasic site. The thermodynamic and nuclear magnetic resonance results presented here describe the effect of a 5-hydroxy-2'-deoxycytidine·2'-deoxyguanosine base pair on the stability of two different DNA duplexes. The results demonstrate that the lesion is highly destabilizing and that the energy barrier for the unstacking of 5-hydroxy-2'-deoxycytidine from the DNA duplex may be low. This could provide a thermodynamic mode of adduct identification by DNA glycosylases that requires the lesion to be extrahelical.
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