4R8J:
reference: Monitoring one-electron photo-oxidation of guanine in DNA crystals using ultrafast infrared spectroscopy., Hall JP, Poynton FE, Keane PM, Gurung SP, Brazier JA, Cardin DJ, Winter G, Gunnlaugsson T, Sazanovich IV, Towrie M, Cardin CJ, Kelly JM, Quinn SJ, Nat Chem. 2015 Dec;7(12):961-7. doi: 10.1038/nchem.2369. Epub 2015 Oct 19. PMID: 26587711

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