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Cited by 271

The DOI matches its Crossref record; 51 of the 51 references it cites were found in a registry or an index.

Electronic Coupling for Charge Transfer and Transport in DNA

Voityuk, Alexander A., Rösch, Notker, Bixon, M., Jortner, Joshua·2000·The Journal of Physical Chemistry B

Abstract

We calculated electronic matrix elements for hole transfer between adjacent nucleobases in DNA. Calculations of the matrix elements for intrastrand and interstrand transfer were performed at the Hartree−Fock level employing the 6-31G* and 6-311G** basis sets. The matrix elements for intrastrand hole transfer, for which a wealth of experimental solution data is available, are almost independent of the basis set and exhibit an exponential interbase distance dependence, sensitivity to the donor−acceptor geometry, and dependence on 5‘ → 3‘ direction base sequence. The calculated intrastrand hole transfer matrix elements between adjacent thymines, v + (T,T) = 0.16 eV, is in good agreement with the experimental estimate, v + (T,T) = 0.18 eV, inferred from hole hopping in G + (T) m GGG ( m = 1−3). The features of the nucleobase bridge specificity for superexchange-induced hole hopping between guanines in G + XY...G (X,Y = T or A) were elucidated, with the prediction of enhanced efficiency of thymine relative to adenine as mediator. Information on superexchange-mediated intrastrand and direct interstrand hole hopping between guanine bases was also inferred. Our results for interstrand, adjacent G + G coupling predict the existence of zigzagging pathways for hole hopping, in line with experiment.

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Crossref · 10.1021/jp001109w

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Metadata

Authors
Voityuk, A. A., Rösch, N., Bixon, M., & Jortner, J.
Venue
The Journal of Physical Chemistry B
Published
2000-09-27
Volume
104
Issue
41
Pages
9740-9745
ISSN
  • 1520-5207 (ISSN-L)
  • 1520-6106
OpenAlex
W2006418071
Cited by
271
References
51
FWCI
6.53
Type
journal article
Language
en
Open access
closed

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