Assessing the importance of proton transfer reactions in DNA

D Jacquemin, J Zuniga, A Requena… - Accounts of chemical …, 2014 - ACS Publications
Conspectus Although engineered by millions of years of evolution, the cellular machinery is
not flawless, and errors regularly appear during DNA replication. The subsequent alteration …

The role of proton transfer on mutations

R Srivastava - Frontiers in Chemistry, 2019 - frontiersin.org
Hydrogen bonds play a critical role in nucleobase studies as they encode genes, map
protein structures, provide stability to the base pairs, and are involved in spontaneous and …

Quantum and classical effects in DNA point mutations: Watson–Crick tautomerism in AT and GC base pairs

L Slocombe, JS Al-Khalili, M Sacchi - Physical Chemistry Chemical …, 2021 - pubs.rsc.org
Proton transfer along the hydrogen bonds of DNA can lead to the creation of short-lived, but
biologically relevant point mutations that can further lead to gene mutation and, potentially …

Can tautomerization of the A·T Watson–Crick base pair via double proton transfer provoke point mutations during DNA replication? A comprehensive QM and QTAIM …

OO Brovarets, DM Hovorun - Journal of Biomolecular Structure and …, 2014 - Taylor & Francis
Trying to answer the question posed in the title, we have carried out a detailed theoretical
investigation of the biologically important mechanism of the tautomerization of the A· T …

Effects of external electric fields on double proton transfer kinetics in the formic acid dimer

AA Arabi, CF Matta - Physical Chemistry Chemical Physics, 2011 - pubs.rsc.org
Molecules can be exposed to strong local electric fields of the order of 108–1010 V m− 1 in
the biological milieu. The effects of such fields on the rate constant (k) of a model reaction …

The role of reaction force and chemical potential in characterizing the mechanism of double proton transfer in the adenine− uracil complex

B Herrera, A Toro-Labbé - The Journal of Physical Chemistry A, 2007 - ACS Publications
A theoretical study of the intermolecular double proton transfer in the adenine− uracil base
pair has been performed to model the double proton transfer in the adenine− thymine dimer …

Hydrogen bonding in natural and unnatural base pairs—a local vibrational mode study

N Beiranvand, M Freindorf, E Kraka - Molecules, 2021 - mdpi.com
In this work hydrogen bonding in a diverse set of 36 unnatural and the three natural Watson
Crick base pairs adenine (A)–thymine (T), adenine (A)–uracil (U) and guanine (G)–cytosine …

Why the tautomerization of the G·C Watson–Crick base pair via the DPT does not cause point mutations during DNA replication? QM and QTAIM comprehensive …

OO Brovarets', DM Hovorun - Journal of Biomolecular Structure and …, 2014 - Taylor & Francis
The ground-state tautomerization of the G· C Watson–Crick base pair by the double proton
transfer (DPT) was comprehensively studied in vacuo and in the continuum with a low …

Strong enhancement of π‐electron donor/acceptor ability by complementary DD/AA hydrogen bonding

CH Liu, MR Niazi, DF Perepichka - … Chemie International Edition, 2019 - Wiley Online Library
Abstract π‐Conjugated organic materials possess a wide range of tunable optoelectronic
properties which are dictated by their molecular structure and supramolecular arrangement …

Modelling proton tunnelling in the adenine–thymine base pair

AD Godbeer, JS Al-Khalili… - Physical Chemistry …, 2015 - pubs.rsc.org
The energies of the canonical (standard, amino-keto) and tautomeric (non-standard, imino-
enol) charge-neutral forms of the adenine–thymine base pair (A–T and A*–T*, respectively) …