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. Author manuscript; available in PMC: 2018 Jun 1.
Published in final edited form as: Free Radic Biol Med. 2017 Jan 2;107:13–34. doi: 10.1016/j.freeradbiomed.2016.12.049

Figure 2.

Figure 2

Oxidation of thymine by OH and one-electron oxidation . Initial attack of OH occurs at both C5 and C6 positions to give the corresponding OH adducts (e.g. 5). Analogous reactions occur for 5-methylcytosine (N3-C4=O → N3=C4-NH2).