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. Author manuscript; available in PMC: 2012 Nov 15.
Published in final edited form as: Anal Chem. 2011 Oct 27;83(22):8484–8491. doi: 10.1021/ac2017037

Figure 2.

Figure 2

Representative human apo-transferrin data from condition 3 (See Table 1). (A) Total ion chromatogram. Highlighted in red is the region (41–42 min.) where the MS data in (B) are shown. (B) The two labeled peptides illustrate both the fully and non-alkylated peptide SAGWNIPIGLLYCDLPEPR. The peak that is circled in red is the m/z where MS/MS was acquired as shown in (C). Additional labeled peaks indicate other detected human apo-transferrin peptides. The * indicates the alkylated Cys residue. (C) MS/MS data for the non-alkylated SAGWNIPIGLLYCDLPEPR with a retention time of 41.55 min.