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Figure 2 | BMC Evolutionary Biology

Figure 2

From: On homology searches by protein Blast and the characterization of the age of genes

Figure 2

Distributions of amino acid genetic distances in genes of different age categories. (a) Distributions of genetic distances of the 1558 mammalian genes coding for proteins with lengths between 300 and 500 amino acids. (b) Distributions of genetic distances of the simulated genes with rate heterogeneity. (c) Distributions of genetic distances of the simulated genes without rate heterogeneity. The total number of genes for the simulations with and without rate heterogeneity were 1618 and 1578, respectively. Different pools of simulated alignments always produced very similar results (see Methods).

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