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Fig. 3 | BMC Evolutionary Biology

Fig. 3

From: The features of polyglutamine regions depend on their evolutionary stability

Fig. 3

Glutamine codon usage in polyQ regions. %CAG codons in polyQ regions of orthologous sets of proteins from a) Insecta, b) Teleostei, c) Sauria and d) Mammalia. Categories are defined as: stable polyQ; inserted polyQ; mutated polyQ. Non-parametric Mann-Whitney U statistical tests were performed to compare the distributions (**** P-value <= 1e-4; *** P-value <= 1e-3; ** P-value <= 0.01; * P-value <= 0.05; ns = not significant). Number of sets of polyQ regions considered per category are shown within each boxplot

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