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Photoelectron spectrum of the 9-methylguanine-1-methylcytosine radical anion (MGMC•−) recorded with 3.49 eV photons. Left structure is MGMC•− in Watson-Crick conformation. Right structure is due to proton transfer from N1 guanine to N3 site of cytosine. (Figure 3 of ref. 242 reproduced with permission. Copyright 2009 American Chemical Society. Structural Figures taken from Figure 5 of ref. 242).
