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. Author manuscript; available in PMC: 2009 Nov 10.
Published in final edited form as: Electrophoresis. 2009 Apr;30(7):1132–1144. doi: 10.1002/elps.200800752

Figure 2. PanIN 3 protein expression profiling by ICAT.

Figure 2

A. Protein ratio distribution. B. An example of MS/MS spectrum for peptide identification. C. An example of peptide quantification by ICAT labeling. Note that 4.54 ± 1.04 is the ICAT ratio of a single peptide VVQC*SDLGLDKVPK, one of six peptides derived from protein decorin.