Hydrolysis of an ester substrate by a CuII complex catalyst, both attached to oligo-peptide nucleic acids (PNA), is accelerated up to 485-fold in the presence of a complementary DNA template. The approach combines the sequence selectivity of DNA-templated reactions with signal amplification by multiple turnover and the versatility of metal catalysis.
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Brunner et al. (2003) studied this question.
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