2Y1J:
reference: Crystal structures and repair studies reveal the identity and the base-pairing properties of the UV-induced spore photoproduct DNA lesion., Heil K, Kneuttinger AC, Schneider S, Lischke U, Carell T, Chemistry. 2011 Aug 22;17(35):9651-7. doi: 10.1002/chem.201100177. Epub, 2011 Jul 20. PMID: 21780197

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