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. 2011 May 31;6(5):e20611. doi: 10.1371/journal.pone.0020611

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Wu et al.

This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are properly credited.

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Protein Spot 10 was excised from gels, and spectrum of peptides derived after tryptic digestion. (A) MS spectrum of Ion 1453.775 was analyzed by MS/MS. (B) TOF/TOF spectrum of Ion 1453.775. (C) Tandem mass spectrum that confirmed the responding amino acid sequence, FVIGGPHGDAGLTGR, by analyzing b- and y-ions derived from the peptide ion.