Systematic quantum chemical study of DNAbase tautomers

M Piacenza, S Grimme - Journal of Computational Chemistry, 2004 - Wiley Online Library
… are studied by a variety of different quantum chemical methods. In particular, we employ …
pyrimidine and purine nucleic acid bases with respect to the three-dimensional stacking in DNA. …

How strong can the bend be on a DNA helix from cisplatin? DFT and MP2 quantum chemical calculations of cisplatin-bridged DNA purine bases

JV Burda, J Leszczynski - Inorganic chemistry, 2003 - ACS Publications
… were replaced by DNA purine bases so that finally cis-diammineplatinum with two bases (Pt-…
This study reveals properties and structures of Pt-bridged complexes of DNA purine bases

The influence of a sugar-phosphate backbone on the cisplatin-bridged BpB′ models of DNA purine bases. Quantum chemical calculations of Pt (ii) bonding …

M Zeizinger, JV Burda, J Leszczynski - Physical Chemistry Chemical …, 2004 - pubs.rsc.org
… The influence of N7 platination on the strength of the N9-C1′ glycosyl bond of purine bases
… with tethered DNA purine bases were investigated in this study. For the calculations, only …

Molecular interactions of nucleic acid bases. A review of quantum-chemical studies

J Šponer, P Hobza - Collection of Czechoslovak chemical …, 2003 - cccc.uochb.cas.cz
… Ab initio quantum-chemical calculations with inclusion of … of molecular interactions of DNA
and RNA bases. Some of the most … In the case of purine···pyrimidine stacked base pairs this …

Quantum chemical characterization of the cytosine: 2‐Aminopurine base pair

EC Sherer, CJ Cramer - Journal of Computational Chemistry, 2001 - Wiley Online Library
… that obtains for B-form DNA by no means implies that the … out a calculation of embedding
energies for these three base … we consider the effects of purine/pyrimidine interchanges in …

The hydrogen-bonded complexes of the 5-fluorouracil with the DNA purine bases: a comprehensive quantum chemical study

E Nakhaei, A Nowroozi, F Ravari - Structural Chemistry, 2018 - Springer
… In addition, the values of red shifts, Δν(AH), reflect the strength of HB interactions between
the FU and purine bases. So, these quantities for all of the complexes were calculated and …

Base-base and deoxyribose-base stacking interactions in B-DNA and Z-DNA: a quantum-chemical study

J Sponer, HA Gabb, J Leszczynski, P Hobza - Biophysical journal, 1997 - cell.com
calculations and evaluate the base-stacking energies in 10 canonical B-DNA base-pair and
Z-DNA … with respect to the pyrimidine ring of the purine base. These two parameters are …

Role of 6-Mercaptopurine in the potential therapeutic targets DNA base pairs and G-quadruplex DNA: insights from quantum chemical and molecular dynamics …

R Radhika, R Shankar, S Vijayakumar… - Journal of …, 2018 - Taylor & Francis
… of the enzymes of de novo purine synthesis pathway. Finally, thioinosinic … DNA base pairs.
The specificity and energetic were elaborately discussed using Quantum chemical methods

DFT calculation of core‐electron binding energies of pyrimidine and purine bases

Y Takahata, AK Okamoto… - … of quantum chemistry, 2006 - Wiley Online Library
… However, theoretical methods with which to calculate … is to calculate accurate CEBEs of
pyrimidine and purine bases in their … and purine bases are the fundamental building units of DNA

Binding to DNA purine base and structure− activity relationship of a series of structurally related Ru (II) antitumor complexes: a theoretical study

JC Chen, LM Chen, LC Xu, KC Zheng… - … of Physical Chemistry B, 2008 - ACS Publications
… all of the species in our calculations, we test our calculations for the solvation free energies
… characteristics of the DNA model base adducts are studied from quantum-chemical insight, …