Figure 6.

Correlation between genomic GC content and amino acid frequency across the 461 species. The Pearson correlation coefficient (r) was calculated between amino acid frequencies and genomic GC content. The p values distribution was p = 0.0265 (Gln) and p < 0.0001 (others).

Chen et al. BMC Evolutionary Biology 2013 13:219   doi:10.1186/1471-2148-13-219
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