Influence of stereochemistry and redox potentials on the single- and double-strand DNA cleavage efficiency of Cu(II) and Ni(II) Lys-Gly-His-derived ATCUN metallopeptides.


The DNA cleavage chemistry of a series of metallopeptides based on the amino-terminal Cu and Ni (ATCUN) binding motif of proteins has been studied. Specifically, the impact of the positioning of charged Lys side chains and their stereochemistry on metal reduction potentials and DNA cleavage reactivity have been quantitatively evaluated. Both Cu and Ni… (More)


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