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. Author manuscript; available in PMC: 2014 Mar 17.
Published in final edited form as: Biochemistry. 2006 Dec 12;45(49):14755–14763. doi: 10.1021/bi0618518

Figure 2. MALDI-TOF mass spectra of 18O-labeled and non-labeled deglycosylated peptides of GGCX.

Figure 2

Panel A, spectrum of deglycosylated tryptic peptide of GGCX at m/z 2433.29; Panel B, spectrum of 18O labeled deglycosylated tryptic peptide of GGCX at m/z 2433.29; Panel C, spectrum of deglycosylated tryptic peptide of GGCX at m/z 2690.42; Panel D, spectrum of 18O labeled deglycosylated tryptic peptide of GGCX at m/z 2690.42.