Σφακιανάκης Αλέξανδρος
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Πέμπτη 3 Μαρτίου 2016

Molecular simulation of cyclohexanyl nucleic acid (CNA) duplexes with CNA, DNA and RNA and CNA triloop and tetraloop hairpin structures

Publication date: Available online 3 March 2016
Source:Bioorganic & Medicinal Chemistry
Author(s): Matheus Froeyen, Rania Abu el Asrar, Mikhail Abramov, Piet Herdewijn
As part of a selection strategy for artificial nucleic acids (XNA) (to be considered as potential new information systems in vivo), we have carried out a modelling study on cyclohexanyl nucleic acids (CNA) duplexes and hairpins. CNA may form a duplex as well as hairpin structures, having the carbocyclic nucleosides in the 4C1 conformation (with equatorial basis). The geometry of ds CNA is close to that of a HNA:RNA duplex. We demonstrated that CNA triphosphates function as a substrate for polymerases. Modelling experiments indicate that the monomers are probably presented to the polymerase in the 1C4 conformation.

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