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  • A newly created DNA base editor contains an atom-rearranging enzyme (red) that can change adenine into inosine (read and copied as guanine), guide RNA (green) which directs the molecule to the right spot, and Cas9 nickase (blue), which snips the opposing strand of DNA and tricks the cell into swapping the complementary base.
    Gaudelli et al./ Nature 2017
    A newly created DNA base editor contains an atom-rearranging enzyme (red) that can change adenine into inosine (read and copied as guanine), guide RNA (green) which directs the molecule to the right spot, and Cas9 nickase (blue), which snips the opposing strand of DNA and tricks the cell into swapping the complementary base.
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