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. Author manuscript; available in PMC: 2011 Sep 14.
Published in final edited form as: Stat Biosci. 2009 Nov;1(2):228–245. doi: 10.1007/s12561-009-9013-2

Table 1.

An example of the iTRAQ data when four isobaric tags are used. Each row corresponds to a specific peak in the mass spectrum. The first column gives the protein ID, the second column gives the peptide sequence that corresponds to this peak, and the last four columns give the peak areas for the four tags

Protein accessions Peptide sequence Area114 Area115 Area116 Area117
IPI00798592.1 ADVVESWIGEK 22.03 29.88 29.08 36.89
IPI00798592.1 ADVVESWIGEK 6.32 6.91 6.8 8.13
IPI00798592.1 ADVVESWIGEK 5.3 3.84 3.66 10.26
IPI00798592.1 DLASVQALLR 31.36 33.68 59.77 41.93
IPI00798592.1 DLASVQALLR NA NA NA NA
IPI00798592.1 DLASVQALLR 54.56 64.83 114.21 86.9
IPI00798592.1 DVDEIEAWISEK NA 7.11 13.6 NA
IPI00798592.1 DVDETIGWIK 15.33 32.09 75.23 33.78
IPI00798592.1