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. Author manuscript; available in PMC: 2012 Mar 15.
Published in final edited form as: Anal Biochem. 2010 Nov 26;410(2):248–256. doi: 10.1016/j.ab.2010.11.034

Figure 3.

Figure 3

CID mass spectra recorded on the (M+2H)+2 ion for sodium borohydride pretreated glycated peptide at m/z 908 (A), and for counterpart glycated peptide control not treated with sodium borohydride (B). The sequence of the peptide in (A) is shown with the predicted y and b fragments. Ions observed in spectrum (A) are underlined. K* represents a galactated lysine residue of 292 Da at position 233 in the primary structure of HSA.