Figure 2From: Mutational pressure dictates synonymous codon usage in freshwater unicellular α - cyanobacterial descendant Paulinella chromatophora and β - cyanobacterium Synechococcus elongatus PCC6301 Relationship between SCUO and GC composition in P. chromatophora . (a) Relationship between SCUO and the overall GC composition, (b) Relationship between SCUO and GC1, (c) Relationship between SCUO and GC2, (d) Relationship between SCUO and GC3. SCUO: Synonymous codon usage order.Back to article page