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Updated: Jul 18, 2026

Parallel High Throughput Single Molecule Kinetic Assay for Site-Specific DNA Cleavage
Published on: May 6, 2020
Rapid site-selective hydrolysis of double-stranded DNA by use of Ce(IV)/EDTA and PNA bearing phosphate group
Yuichiro Aiba1, Masao Mori, Yoji Yamamoto
1Research center for Advanced Science and Technology, The University of Tokyo, 4-6-1 Komaba, Meguro-ku, Tokyo 153-8904, Japan.
Abstract:
In order to hydrolyze double-stranded DNA efficiently at the target site, two pseudo-complementary peptide nucleic acids (pcPNAs) bearing phosphate group were combined with Ce(IV)/EDTA complex (EDTA = ethylenediamine-N,N,N',N'-tetraacetate). The phosphate groups as metal-binding ligands were placed near the target site, and concentrated the Ce(IV) complex thereto. As the result, the site-selective hydrolysis was notably promoted, compared with the scission by the cutters involving unmodified pcPNAs.
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