Figure 4.

FFL plasticity and abundance. Here we compare the measures kurtosis, entropy and ψ(Γi) and their correlation with the abundance of NW motifs (S. cerevisiae shown in black and E.coli in white). In (a) the kurtosis of the motif's probability distribution for different functions versus the motifs abundance is plotted. In (b) we show entropy versus abundance. The most abundant motifs have intermediate values for both measures which can be interpreted as high plasticity in both cases. In (c) we present the correlation between ψi) and abundance. ψ(γi) correlates negatively and thus again, plasticity correlates positively with motif abundance.

Widder et al. BMC Systems Biology 2012 6:7   doi:10.1186/1752-0509-6-7
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