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. Author manuscript; available in PMC: 2012 Oct 19.
Published in final edited form as: J Proteomics. 2011 Apr 15;74(11):2510–2521. doi: 10.1016/j.jprot.2011.04.007

Figure 2. Peptides from UPS1 detected by LC-MS/MS after TNM or mock treatment.

Figure 2

4.5 pmol of UPS1 either TNM (1 h) or mock treated was trypsin digested and analyzed using both a QTOF (QSTAR Elite) and dual ion trap (LTQ Velos) mass spectrometer. Three technical replicates were acquired. A) The total number of peptides indentified including ones not containing a Y, the number of peptides with no 3NT modified Ys, and the number of peptides with 3NT modified Ys are shown. B) The proportion of 3NT modified peptides shown as a percent of all Y containing peptides detected shown for both conditions. Distinct peptides were defined as differences in the site of nitration, missed cleavages, and methionine oxidation state