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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 5. LC-MS/MS properties of the 3NT peptides identified by the QSTAR Elite and LTQ Velos.

Figure 5

A) The percent of all the validated 3NT peptides which met each of the criteria assessed using Table 1 for both the QSTAR Elite and LTQ Velos mass spectrometers. B) The difference in chromatographic retention time (Δ RT) between 3NT modified peptides and their unmodified counterparts. C) Distribution of the precursor mass error (in ppm) for 3NT peptides indentified by the QSTAR Elite.