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. 2014 Sep 25;9(9):e107319. doi: 10.1371/journal.pone.0107319

Figure 3. Base, codon, and amino acid frequencies of 2670 prokaryotic genomes plotted against the genomic GC content.

Figure 3

a) Y: Base A frequency at the first codon position; X: genomic GC content. b) Y: Codon AAA frequency; X: genomic GC content. c) Y: Amino acid Lys frequency; X: genomic GC content.