Figure 4From: Mutational pressure dictates synonymous codon usage in freshwater unicellular α - cyanobacterial descendant Paulinella chromatophora and β - cyanobacterium Synechococcus elongatus PCC6301 ENC Vs GC 3 plots. (a) ENC Vs GC3 plot of 768 PCG in P. chromatophora. (b) ENC vs GC3 plot of 2342 PCG in S. elongatus genome. ENC: Effective number of codons.Back to article page