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. 2014 Dec 1;9(12):e112534. doi: 10.1371/journal.pone.0112534

Figure 4. PDFs of the internucleotide intervals in the DNA from full genomes of ten different organisms at different evolutionary positions from Archaea and Bacteria to H. Sapiens.

Figure 4

The thin dashed line shows an approximation by a single Inline graphic-exponential, while the thick dashed line shows an approximation by a sum of two Inline graphic-exponentials. For comparison, the dotted line shows the corresponding exponential PDF. The inset shows the evolution of the average interval Inline graphic separately for strongly (G:C) and weakly (A:T) bonded nucleotides.