Nucleophilic properties of purine bases: inherent reactivity versus reaction conditions
A Stachowicz-Kuśnierz, J Korchowiec - Structural Chemistry, 2016 - Springer
In the present study, nucleophilic properties of adenine and guanine are examined by
means of density functional theory. H+ is used as a model electrophile. Two modes of H+ …
means of density functional theory. H+ is used as a model electrophile. Two modes of H+ …
Methylation of graphene (pristine and S-doped) by carcinogenic methane diazonium ion: a DFT study
Herein, we aim to explore the efficiency of graphene in scavenging the carcinogenic
methane diazonium ions (CH3N2+) which are capable of methylating DNA and other …
methane diazonium ions (CH3N2+) which are capable of methylating DNA and other …
Role of graphene in scavenging methyl cations: a DFT study
Context It is known that methylating agents methylate DNA by transferring a methyl cation
(CH3+) to the nucleophilic sites in DNA bases and DNA methylation is implicated in cancer …
(CH3+) to the nucleophilic sites in DNA bases and DNA methylation is implicated in cancer …
A DFT study of reactions of methyldiazonium ion with DNA/RNA nucleosides: investigating effect of sugar moiety on methylation pattern of bases
K Bhattacharjee, PK Shukla - International Journal of Quantum …, 2014 - Wiley Online Library
Methyldiazonium ion () is an ultimate carcinogen that can methylate multiple sites in
DNA/RNA. In present contribution, density functional theory calculations using the B3LYP …
DNA/RNA. In present contribution, density functional theory calculations using the B3LYP …
Mechanism of methylation of 8-oxoguanine due to its reaction with methyldiazonium ion
Anticancer drugs such as temozolomide (TMZ) and decarbazine (DTIC) and several
detrimental methylating agents methylate DNA via the formation of methyldiazonium ion () …
detrimental methylating agents methylate DNA via the formation of methyldiazonium ion () …
A theoretical investigation of the activation barriers for the N3-adenine methylation by carcinogenic methane diazonium ion
MV Yermolina, A Ali, A Cabrera… - Computational and …, 2022 - Elsevier
Abstract Density Functional Theory calculations at the B3LYP-D3/6-311+ G* level of theory
yield for the methylation of adenine by the carcinogenic methane diazonium ion at the N3 …
yield for the methylation of adenine by the carcinogenic methane diazonium ion at the N3 …
Free energy profiles for two ubiquitous damaging agents: methylation and hydroxylation of guanine in B-DNA
DNA methylation and hydroxylation are two ubiquitous reactions in DNA damage induction,
yet insights are scarce concerning the free energy of activation within B-DNA. We resort to …
yet insights are scarce concerning the free energy of activation within B-DNA. We resort to …
A Density Functional Theory Study of Methylation Reactions of CH3N+ 2 with Guanylate and Deoxyguanylate
K Bhattacharjee, PK Shukla - Advanced Science Letters, 2015 - ingentaconnect.com
We study here theoretically the methylation reactions of CH3N+ 2 at the N7 site of guanine
of the deoxyguanylate (deoxyguanosine 5'-monophosphate (dGMP)) and deoxyguanylate …
of the deoxyguanylate (deoxyguanosine 5'-monophosphate (dGMP)) and deoxyguanylate …
Methylation of DNA bases by methyl free radicals: mechanism of formation of C8-methylguanine
Abstract The C8-methylguanine (C8mG) lesions are reported to be produced in vivo due to
methylation of guanine base of DNA by methyl free (· CH 3) radicals derived from the …
methylation of guanine base of DNA by methyl free (· CH 3) radicals derived from the …
[PDF][PDF] A DFT Study of Methylation Reactions of CH3N2 with Guanylate and Deoxyguanylate
K Bhattacharjee, PK Shukla - researchgate.net
We study here theoretically the methylation reactions of CH3N2+ at the N7 site of guanine of
the deoxyguanylate (deoxyguanosine 5'-monophosphate (dGMP)) and guanylate …
the deoxyguanylate (deoxyguanosine 5'-monophosphate (dGMP)) and guanylate …