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Weakened N3 Hydrogen Bonding by 5-Formylcytosine and 5-Carboxylcytosine Reduces Their Base-Pairing Stability

In the active cytosine demethylation pathway, 5- methylcytosine (5mC) is oxidized sequentially to 5-hydroxymethylcytosine (5hmC), 5-formylcytosine (5fC), and 5-carboxylcytosine (5caC). Thymine DNA glycosylase (TDG) selectively excises 5fC and 5caC but not cytosine (C), 5mC, and 5hmC. We propose that...

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Detalhes bibliográficos
Publicado no:ACS Chem Biol
Main Authors: Dai, Qing, Sanstead, Paul J., Peng, Chunte Sam, Han, Dali, He, Chuan, Tokmakoff, Andrei
Formato: Artigo
Idioma:Inglês
Publicado em: 2015
Assuntos:
Acesso em linha:https://ncbi.nlm.nih.gov/pmc/articles/PMC4782585/
https://ncbi.nlm.nih.gov/pubmed/26641274
https://ncbi.nlm.nih.govhttp://dx.doi.org/10.1021/acschembio.5b00762
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