Mapping of the functional phosphate groups in the catalytic core of deoxyribozyme 10-23.

Abstract

The RNA phosphodiester bond cleavage activity of a series of 16 thio-deoxyribozymes 10-23, containing a P-stereorandom single phosphorothioate linkage in predetermined positions of the catalytic core from P1 to P16, was evaluated under single-turnover conditions in the presence of either 3 mM Mg(2+) or 3 mM Mn(2+). A metal-specificity switch approach… (More)

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