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. 2016 Jul 29;11(7):e0160160. doi: 10.1371/journal.pone.0160160

Fig 2.

Fig 2

(A) Peptide spectra matches (PSMs), (B) distinct peptides and (C) protein groups from the raw files for the comparison of HCD- and CID-type fragmentation using the back-to-back strategy (HCD-IT vs. CID-IT). Six different MS data interpretation approaches were used in this study by combining SEQUEST or Mascot with different post-processing methods such as score-based, PeptideProphet, and Percolator.