A synthetic DNA enzyme catalyses the formation of a native phosphodiester bond between two RNA fragments, but the molecular details of the mechanism remained elusive. Research using computational and biochemical approaches now suggests that the DNA enzyme recruits two magnesium ions to assist in the catalysis of RNA ligation.
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Zn2+-dependent DNAzymes that cleave all combinations of ribonucleotides
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Höbartner, C. How DNA catalyses RNA ligation. Nat Catal 2, 483–484 (2019). https://doi.org/10.1038/s41929-019-0295-6
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DOI: https://doi.org/10.1038/s41929-019-0295-6
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Zn2+-dependent DNAzymes that cleave all combinations of ribonucleotides
Communications Biology (2021)