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. Author manuscript; available in PMC: 2012 Dec 15.
Published in final edited form as: Anal Chem. 2011 Nov 28;83(24):9540–9545. doi: 10.1021/ac202327r

Figure 3.

Figure 3

ETD spectrum of 3+ AAFRNIKTIAE. A strong c102+ ion was observed which corresponds to the cleavage before the C-terminal residue Glu. Complementary c4/z7 ions correspond to the cleavage between Arg and Asn.