Fig. 1From: Quantitative iTRAQ-Based Proteomic Identification of Candidate Biomarkers for Diabetic Nephropathy in Plasma of Type 1 Diabetic Patientsa MS/MS spectrum of the C-terminal peptide from apolipoprotein E (sequence QAAVGTSAAPVPSDNH). The assignment of the peptide is illustrated by the y- and b-ions in the spectrum. b MS/MS spectrum of the peptide with the sequence LLDNWDSVTSTFSK from apolipoprotein A1Back to article page