The electronic structure evolution of DNA during its conformation transition process

Literature Information

Publication Date 2008-06-26
DOI 10.1039/B804309D
Impact Factor 3.676
Authors

Chen Song, Yueyuan Xia, Mingwen Zhao, Xiangdong Liu, Jiling Li, Lijuan Li


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Abstract

We combined classical molecular dynamics (MD) simulation with ab initio calculations to study the electronic structure evolution of DNA during its conformation transition process. By using MD simulation, we obtained the conformation transition trajectory of an oligonucleotide poly(dC)-poly(dG), from which we selected a series of representative conformations and then performed ab initio calculations for these conformations to reveal their electronic structures. Counterintuitively, the results indicate that during the conformation transition process of DNA, thermal fluctuation plays a more important role than global conformation parameters in affecting the electronic structure of DNA.

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Physical Chemistry Chemical Physics

Physical Chemistry Chemical Physics
CiteScore: 5.5
Self-citation Rate: 10.3%
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Physical Chemistry Chemical Physics (PCCP) is an international journal co-owned by 19 physical chemistry and physics societies from around the world. This journal publishes original, cutting-edge research in physical chemistry, chemical physics and biophysical chemistry. To be suitable for publication in PCCP, articles must include significant innovation and/or insight into physical chemistry; this is the most important criterion that reviewers and Editors will judge against when evaluating submissions. The journal has a broad scope and welcomes contributions spanning experiment, theory, computation and data science. Topical coverage includes spectroscopy, dynamics, kinetics, statistical mechanics, thermodynamics, electrochemistry, catalysis, surface science, quantum mechanics, quantum computing and machine learning. Interdisciplinary research areas such as polymers and soft matter, materials, nanoscience, energy, surfaces/interfaces, and biophysical chemistry are welcomed if they demonstrate significant innovation and/or insight into physical chemistry. Joined experimental/theoretical studies are particularly appreciated when complementary and based on up-to-date approaches.

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