Excited-State Properties and Relaxation Pathways of Selenium-Substituted Guanine Nucleobase in Aqueous Solution and DNA Duplex.


Journal

The journal of physical chemistry. B
ISSN: 1520-5207
Titre abrégé: J Phys Chem B
Pays: United States
ID NLM: 101157530

Informations de publication

Date de publication:
25 02 2021
Historique:
pubmed: 12 2 2021
medline: 15 5 2021
entrez: 11 2 2021
Statut: ppublish

Résumé

The excited-state properties and relaxation mechanisms after light irradiation of 6-selenoguanine (6SeG) in water and in DNA have been investigated using a quantum mechanics/molecular mechanics (QM/MM) approach with the multistate complete active space second-order perturbation theory (MS-CASPT2) method. In both environments, the S

Identifiants

pubmed: 33570942
doi: 10.1021/acs.jpcb.0c10855
pmc: PMC8023715
doi:

Substances chimiques

Water 059QF0KO0R
Guanine 5Z93L87A1R
DNA 9007-49-2
Selenium H6241UJ22B

Types de publication

Journal Article Research Support, Non-U.S. Gov't

Langues

eng

Sous-ensembles de citation

IM

Pagination

1778-1789

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Auteurs

Ye-Guang Fang (YG)

Key Laboratory of Theoretical and Computational Photochemistry, Ministry of Education, College of Chemistry, Beijing Normal University, Beijing 100875, P. R. China.

Danillo Valverde (D)

Institute of Physics, University of São Paulo, Rua do Matão 1371, São Paulo, SP 05508-090, Brazil.

Sebastian Mai (S)

Photonics Institute, Vienna University of Technology, Gußhausstraße 27-29, 1040 Vienna, Austria.
Institute of Theoretical Chemistry, Faculty of Chemistry, University of Vienna, Währinger Straße 17, 1090 Vienna, Austria.

Sylvio Canuto (S)

Institute of Physics, University of São Paulo, Rua do Matão 1371, São Paulo, SP 05508-090, Brazil.

Antonio Carlos Borin (AC)

Department of Fundamental Chemistry, Institute of Chemistry, University of São Paulo, Av. Prof. Lineu Prestes 748, 05508-000. São Paulo, SP Brazil.

Ganglong Cui (G)

Key Laboratory of Theoretical and Computational Photochemistry, Ministry of Education, College of Chemistry, Beijing Normal University, Beijing 100875, P. R. China.

Leticia González (L)

Institute of Theoretical Chemistry, Faculty of Chemistry, University of Vienna, Währinger Straße 17, 1090 Vienna, Austria.

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Classifications MeSH