The architecture of the 10-23 DNAzyme and its implications for DNA-mediated catalysis

Borggräfe, Jan; Gertzen, Christoph G. W.; Viegas, Aldino; Gohlke, Holger; Etzkorn, Manuel

http://hdl.handle.net/10362/149299

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Autores

Borggräfe, Jan

Gertzen, Christoph G. W.

Viegas, Aldino

Gohlke, Holger

Etzkorn, Manuel

Resumo(s)

Understanding the molecular features of catalytically active DNA sequences, so-called DNAzymes, is essential not only for our understanding of the fundamental properties of catalytic nucleic acids in general, but may well be the key to unravelling their full potential via tailored modifications. Our recent findings contributed to the endeavour to assemble a mechanistic picture of DNA-mediated catalysis by providing high-resolution structural insights into the 10-23 DNAzyme (Dz) and exposing a complex interplay between the Dz's unique molecular architecture, conformational plasticity, and dynamic modulation by metal ions as central elements of the DNA catalyst. Here, we discuss key features of our findings and compare them to other studies on similar systems.