Fundamental studies of functional nucleic acids: aptamers, riboswitches, ribozymes and DNAzymes

R Micura, C Höbartner - Chemical Society Reviews, 2020 - pubs.rsc.org
This review aims at juxtaposing common versus distinct structural and functional strategies
that are applied by aptamers, riboswitches, and ribozymes/DNAzymes. Focusing on recently …

Modeling enzymatic enantioselectivity using quantum chemical methodology

X Sheng, M Kazemi, F Planas, F Himo - ACS Catalysis, 2020 - ACS Publications
The computational study of enantioselective reactions is a challenging task that requires
high accuracy, as very small energy differences have to be reproduced. Quantum chemical …

An artificial DNAzyme RNA ligase shows a reaction mechanism resembling that of cellular polymerases

J Aranda, M Terrazas, H Gomez, N Villegas… - Nature Catalysis, 2019 - nature.com
DNAzymes have become attractive due to their potential biomedical and biotechnological
applications, as well as their advantages in terms of stability, efficiency and synthetic …

The formation of cage phosphoranes and their rearrangements in the reactions of substituted 2-(3-oxo-3-phenyl) ethoxybenzo [d]-1, 3, 2-dioxaphospholes with …

VF Mironov, MN Dimukhametov, GA Ivkova… - Chemical …, 2021 - pubs.rsc.org
The Kukhtin–Ramirez reaction of 2-(3-oxo-3-phenyl) ethoxy-benzo [d]-1, 3, 2-
dioxaphospholes with perfluorodiacetyl was monitored by NMR methods. To our surprise …

Evidences for reaction mechanism of 9DB1 DNA catalyst

SK Amini, P Bashirbanaem - International Journal of Biological …, 2023 - Elsevier
The first reported reaction mechanism of a DNAzyme, ie 9DB1, by using molecular dynamics
(MD) simulations includes some ambiguities. We try to overcome some of these ambiguous …

New deoxyribozymes for the native ligation of RNA

CPM Scheitl, S Lange, C Höbartner - Molecules, 2020 - mdpi.com
Deoxyribozymes (DNAzymes) are small, synthetic, single-stranded DNAs capable of
catalyzing chemical reactions, including RNA ligation. Herein, we report a novel class of …

Cleaving DNA with DNA: cooperative tuning of structure and reactivity driven by copper ions

SC Dantu, M Khalil, M Bria, C Saint‐Pierre… - Advanced …, 2024 - Wiley Online Library
A copper‐dependent self‐cleaving DNA (DNAzyme or deoyxyribozyme) previously isolated
by in vitro selection has been analyzed by a combination of Molecular Dynamics (MD) …

Simultaneous Formation of Cage and Spirane Pentaalkoxyphosphoranes in Reaction of 5, 5-Dimethyl-2-(2-oxo-1, 2-diphenylethoxy)-1, 3, 2-dioxaphosphorinane with …

VF Mironov, MN Dimukhametov, YS Blinova… - Russian Journal of …, 2020 - Springer
The reaction of hexafluoroacetone with 5, 5-dimethyl-2-(2-oxo-1, 2-diphenylethoxy)-1, 3, 2-
dioxaphosphorinane occurs in two simultaneous directions: through the formation of cage …

How DNA catalyses RNA ligation

C Höbartner - Nature Catalysis, 2019 - nature.com
A synthetic DNA enzyme catalyses the formation of a native phosphodiester bond between
two RNA fragments, but the molecular details of the mechanism remained elusive. Research …

The reaction of 4-(1, 3, 2-benzodioxaphosphol-2-yloxy)-3-tert-butylpent-4-en-2-one with hexafluoroacetone

VF Mironov, TA Baronova, MN Dimukhametov… - Mendeleev …, 2019 - Elsevier
Catalytic (ZnCl 2, Et 3 N) phosphorylation of tert-butylacetylacetone with 2-chloro-1, 3, 2-
benzodioxaphosphole unexpectedly occurs with elimination of proton from the methyl group …