1U6O:
reference: Mispairing of a site specific major groove (2S,3S)-N6-(2,3,4-trihydroxybutyl)-2'-deoxyadenosyl DNA Adduct of butadiene diol epoxide with deoxyguanosine: formation of a dA(anti).dG(anti) pairing interaction., Scholdberg TA, Nechev LV, Merritt WK, Harris TM, Harris CM, Lloyd RS, Stone MP, Chem Res Toxicol 2005 Feb;18(2):145-53. PMID: 15720118

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