Protein kinases and phosphatases of the red cell proteome. Protein kinases (A) or phosphatases (B) quantified from whole-cell and/or ghost preparations were ranked according to their expression levels in erythrocytes. Absolute quantifications in erythrocytes (EPP) and in reticulocytes (Retic) are indicated (right panel). Left panels, The expression ratio of these proteins in erythrocytes vs reticulocytes. (C) Protein kinases identified by the kinome-targeted approach using modified ATP or ADP probes. The pie chart is in proportion to the LFQ value of each identified kinase.