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Fig. 4 | BMC Ecology and Evolution

Fig. 4

From: Sequencing refractory regions in bird genomes are hotspots for accelerated protein evolution

Fig. 4

Heatmaps of normalized protein divergence (nPD%). For each pair of orthologous proteins of two species the measured % of divergence (100—%identity) was normalized by the genome-wide average of % divergence. A sliding window of 101 genes generates data that can highlight regions where proteins diverge faster (red) or slower (blue) than the genome wide average. Heatmaps were made with the gene order of the human genome (a) and chicken genome (b). Note typically high rates of protein divergence in the chicken microchromosomes and in genes where mapping in the chicken genome is still unknown (PU). Individual lines represent three different groups of comparisons: avian//avian (1–28), avian//non-avian reptile (29–60), non-avian reptile//non-avian reptile (61–66)

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