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. Author manuscript; available in PMC: 2010 Nov 1.
Published in final edited form as: J Am Soc Mass Spectrom. 2009 Aug 12;20(11):1974–1982. doi: 10.1016/j.jasms.2009.08.002

Figure 4.

Figure 4

(A) MALDI-MS of IGF-2 peptides eluted from biotinylated ILPRa (top) after capture of the oligonucleotides and associated peptides on streptavidinated beads and total IGF-2 peptide digest profile (bottom). (B) MALDI-TOF/TOF-MS/MS of IGF-2 peptide at 1994 m/z and results of peptide sequencing.