Figure 4From: Optimization of iTRAQ labelling coupled to OFFGEL fractionation as a proteomic workflow to the analysis of microsomal proteins of Medicago truncatula roots Number of peptides identified per OGE fraction. Brown and light green bars represent the total number of unlabelled and iTRAQ labelled peptides identified in each fraction, respectively. Orange and dark green bars indicate the unique number of unlabelled and iTRAQ labelled peptides identified per fraction, respectively.Back to article page