Figure 1.

The phosphoprotein orthologues systematically identified in the 38 bacterial phosphoproteomic studies are shown in Table 1, Table 2, Table 3 and Table 4. (a) Phosphoproteins (highlighted in red) are classified by function. The bacteria, in which they were identified, are indicated. (b) Total number of the phosphorylation sites identified for each phosphoprotein orthologue in the 38 analysed bacteria, as well as the number of bacteria, in which a phosphoprotein was detected. Asterisks indicate multiphosphorylated proteins, i.e., these showing more phosphorylation sites than bacteria.