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Structure and Age Jointly Influence Rates of Protein Evolution

Figure 2

Percentage of residues exposed in PDB structures classified in 3 age groups: Eukarya, Metazoans and Vertebrates.

Wilcoxon tests were performed to assess the significance of the difference: Eukarya vs Metazoans: p-value<2.2e−16 , Eukarya vs Vertebrate: p-value<2.2e−16 , Metazoans vs Vertebrates: p-value = 0.0005 ).

Figure 2