Fig. 3From: 18O Labeling for a Quantitative Proteomic Analysis of Glycoproteins in Hepatocellular CarcinomaQuantitative analysis of protein changes by whole proteome and lectin enrichment analysis. Panels A and B show the MS and MS/MS spectra of GGYTLVSGYPK (hemopexin) and TVDNFVALATGEK (peptidylprolyl isomerase B), respectively. The fold changes at the whole proteome level and after lectin affinity enrichment are indicated in MS spectraBack to article page