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Issue 6, 2012
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Facially-selective thymine–thymine photodimerization in TTT triads

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Abstract

Irradiation of alkane-linked DNA hairpins possessing TTT steps with flanking purine bases yields products identified as the cissyn (2 + 2) dimers formed between the central thymine and its 3′- and 5′-neighbors. Selective formation of the 3′-dimer is attributed to ground state conformational effects and electron transfer quenching by purine bases.

Graphical abstract: Facially-selective thymine–thymine photodimerization in TTT triads

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Publication details

The article was received on 02 Apr 2012, accepted on 27 Apr 2012 and first published on 30 Apr 2012


Article type: Communication
DOI: 10.1039/C2PP25089F
Citation: Photochem. Photobiol. Sci., 2012,11, 889-892
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    Facially-selective thymine–thymine photodimerization in TTT triads

    P. P. Neelakandan, Z. Pan, M. Hariharan and F. D. Lewis, Photochem. Photobiol. Sci., 2012, 11, 889
    DOI: 10.1039/C2PP25089F

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