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Fig. 2 | BMC Genomics

Fig. 2

From: Effect of genome composition and codon bias on infectious bronchitis virus evolution and adaptation to target tissues

Fig. 2

Scatter plot based on the first two components of the PCA performed on Z-score (a) and RSCU (b) calculated for all IBV proteins (color-coded). The PCA loadings are represented as arrows. However, for graphical reasons the labels have been removed from (b) and the loading values are provided in Additional file 4. The 95% confidence ellipses around clusters are also reported. The figure was generated using ggplot2 [32]

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