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. Author manuscript; available in PMC: 2018 Jun 1.
Published in final edited form as: J Am Soc Mass Spectrom. 2017 Apr 3;28(6):1203–1215. doi: 10.1007/s13361-017-1635-x

Figure 1.

Figure 1

(a) The distribution of assigned residue fragmentation events in nTDMS. The total number of events that were assigned for each residue N-terminal to fragmentation (top) or C-terminal to fragmentation (bottom). The expected number of assigned fragmentation events assuming a uniform fragmentation propensity across all 20 residues is shown as a dashed black line (n = 266 events). (b) Assigned fragmentation events deconstructed by residue pair. The expected number of fragmentation events assuming uniform propensities across all 400 possible pairs is shown in white (n = 13 events). For all panels, X|X’ refers to fragmentation occurring C-terminal to the amino acid residue whereas X|X’ refers to fragmentation occurring N-terminal to the amino acid residue.