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. Author manuscript; available in PMC: 2017 Oct 6.
Published in final edited form as: Anal Methods. 2016 Jul 27;8(31):6046–6055. doi: 10.1039/C6AY01248E

Figure 6.

Figure 6

XIC's of Cys-containing peptides identified in Table 1. Adjacent Cys-containing peptides of the same color (orange or black) are disulfide bonded, and the peaks in their XIC's that lead to their identification are highlighted in blue. The CH1 Cys-containing peptide (purple) is disulfide bonded to the third Cys residue of the kappa and lambda light chains (green). Peaks with the same retention time in XIC's of peptides that are not expected to be disulfide bonded are indicated by asterisks. Each of these peaks was interrogated to determine whether or not it was from an aberrant disulfide-linked peptide. In each case, the peaks were verified to be from another source, confirming that no aberrant disulfide-linked peptides are present.