Figure 5.
Patterns of substitution distributions on coding region. (A) Non-synonymous substitutions. (B) Synonymous substitutions. (C) Schematic representation of the CHIKV complete genome. Each variable nucleotide position (SNP site) was counted only once. The variability was represented using 75 nt sliding windows. Brackets indicate mutational hot spot (defined for each nt position as 450 nt sliding window interval containing more than 8 or 4 variable sites for non-synonymous or synonymous substitutions respectively).