Sequence Dependence of Electronic Transport in DNA

Details Sequence Dependence of Electronic Transport in DNA Sequence Dependence of Electronic Transport in DNA

2005-08-30

arxiv.org/abs/cond-mat/0508720v1

phys. stat. sol. (b) 243, 373-377 (2005)

Physics

Condensed Matter

Soft Condensed Matter

4 pages, 1 figure, Proceedings of "Transport in Interacting and Disordered Systems (TIDS11)", accepted for publication in phys

Scientific paper

10.1002/pssb.200562703

We study electronic transport in long DNA chains using the tight-binding
approach for a ladder-like model of DNA. We find insulating behavior with
localizaton lengths xi ~ 25 in units of average base-pair seperation.
Furthermore, we observe small, but significant differences between lambda-DNA,
centromeric DNA, promoter sequences as well as random-ATGC DNA.

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