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. 2015 May 8;10(5):e0125068. doi: 10.1371/journal.pone.0125068

Fig 5. Fragmentation spectrum of a peptide with accurate measured mass of 1209.7315 Da (M), doubly-charged precursor (m/z 605.3694).

Fig 5

The sequence under the spectrum shows observed cleavages for complete peptide and for b10-ion. Internal ions formed from b10 are marked with asterisk.