Orbital interactions and charge redistribution in weak hydrogen bonds: The Watson–Crick AT mimic adenine-2, 4-difluorotoluene

C Fonseca Guerra, FM Bickelhaupt - The Journal of chemical physics, 2003 - pubs.aip.org
The discovery by Kool and co-workers that 2, 4-difluorotoluene (F) mimics thymine (T) in
DNA replication has led to a controversy about the question if this mimic has the capability of …

Orbital interactions and charge redistribution in weak hydrogen bonds: Watson–Crick GC mimic involving C H proton donor and F proton acceptor groups

CF Guerra, EJ Baerends… - International journal of …, 2006 - Wiley Online Library
The discovery by Kool and coworkers that 2, 4‐difluorotoluene (F) mimics thymine (T) in
DNA replication has led to controversy regarding the question of whether this mimic has the …

[引用][C] Orbital interactions in strong and weak hydrogen bonds are essential for DNA replication

C Fonseca Guerra… - Angewandte Chemie …, 2002 - Wiley Online Library
Based on a series of elegant experiments, Kool and coworkers [1] concluded that not
Watson±Crick hydrogen bonding but steric effects, that is, the shape of DNA bases is mainly …

Quantum-chemical ab initio Study on the Adenine-Difluorotoluene Complex - A Mimic for the Adenine-Thymine Base Pair

M Meyer, J Sühnel - Journal of Biomolecular Structure and …, 1997 - Taylor & Francis
Recent experiments have shown that difluorotoluene (F), a nonpolar isostere for thymine (T),
codes efficiently and specifically for adenine (A) in DNA replication. F has almost the same …

Measurement and theory of hydrogen bonding contribution to isosteric DNA base pairs

O Khakshoor, SE Wheeler, KN Houk… - Journal of the American …, 2012 - ACS Publications
We address the recent debate surrounding the ability of 2, 4-difluorotoluene (F), a low-
polarity mimic of thymine (T), to form a hydrogen-bonded complex with adenine in DNA. The …

Hydrogen bonding in DNA base pairs: reconciliation of theory and experiment

C Fonseca Guerra, FM Bickelhaupt… - Journal of the …, 2000 - ACS Publications
Up till now, there has been a significant disagreement between theory and experiment
regarding hydrogen bond lengths in Watson− Crick base pairs. To investigate the possible …

Watson-crick base pairs with thiocarbonyl groups: How sulfur changes the hydrogen bonds in DNA

C Guerra, E Baerends, F Bickelhaupt - Open Chemistry, 2008 - degruyter.com
We have theoretically analyzed mimics of Watson-Crick AT and GC base pairs in which
NH··· O hydrogen bonds are replaced by NH··· S, using the generalized gradient …

Further quantum mechanical evidence that difluorotoluene does not hydrogen bond

EC Sherer, SJ Bono, GC Shields - The Journal of Physical …, 2001 - ACS Publications
Calculations were run on the methylated DNA base pairs adenine: thymine and adenine:
difluorotoluene to further investigate the hydrogen-bonding properties of difluorotoluene (F) …

The nature of the hydrogen bond in DNA base pairs: the role of charge transfer and resonance assistance

C Fonseca Guerra, FM Bickelhaupt… - … A European Journal, 1999 - Wiley Online Library
We challenge the view that the hydrogen bonds in Watson–Crick AT and GC base pairs are
in essence electrostatic interactions with substantial resonance assistance from the π …

Solvent effects on hydrogen bonds in Watson–Crick, mismatched, and modified DNA base pairs

J Poater, M Swart, CF Guerra… - … and Theoretical Chemistry, 2012 - Elsevier
We have theoretically analyzed a complete series of Watson–Crick and mismatched DNA
base pairs, both in gas phase and in solution. Solvation causes a weakening and …