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. Author manuscript; available in PMC: 2010 May 23.
Published in final edited form as: J Mass Spectrom. 2008 Apr;43(4):518–527. doi: 10.1002/jms.1342

Fig. 4.

Fig. 4

Representative spectra for peptide 4 (RRLIEDNE(p)YTARG) containing ~65% phosphopeptide (actual 60.7% based on correction for concentrations) analyzed with A) CHCA, B) DHB and C) THAP matrices in linear positive and negative modes. Spectra shown are zoomed in for detail, see supporting information for corresponding 100–10,000 m/z range spectra.