Figure 7
Distribution of pI for three sets of proteins: present in E. coli K12 only and not in the intracellular endosymbiont (only in Ec), E. coli proteins orthologous to the intracellular bacteria [(common (Ec)], and the endosymbiont proteins orthologous to E. coli [(common (initials of endosymbiont)]. Comparisons are made for E. coli K12 with: Buchnera aphidicola str. Bp (A), Candidatus Blochmannia floridanus (B) and Wigglesworthia glossinidia (C).