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Excited State Pathways Leading to Formation of Adenine Dimers

Akos Banyasz 1, 2 Lara Martinez-Fernandez 3 Tiia-Maaria Ketola 1, 2 A. Munoz-Losa 2, 1 Luciana Esposito 3 Dimitra Markovitsi 1, 2, * Roberto Improta 3, * 
* Corresponding author
2 DICO - Biomolécules Excitées
IRAMIS - Institut Rayonnement Matière de Saclay, LIDyl - Laboratoire Interactions, Dynamiques et Lasers (ex SPAM)
Abstract : The reaction intermediate in the path leading to UV-induced formation of adenine dimers A=A and AA* is identified for the first time quantum mechanically, using PCM/TD-DFT calculations on (dA)2 (dA: 2′deoxyadenosine). In parallel, its fingerprint is detected in the absorption spectra recorded on the millisecond time-scale for the single strand (dA)20 (dA: 2′deoxyadenosine).
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Submitted on : Monday, September 5, 2016 - 11:52:09 AM
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Akos Banyasz, Lara Martinez-Fernandez, Tiia-Maaria Ketola, A. Munoz-Losa, Luciana Esposito, et al.. Excited State Pathways Leading to Formation of Adenine Dimers. Journal of Physical Chemistry Letters, American Chemical Society, 2016, 7, pp.2020−2023. ⟨10.1021/acs.jpclett.6b00660⟩. ⟨cea-01360050⟩



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