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. Author manuscript; available in PMC: 2019 Sep 1.
Published in final edited form as: Int J Ion Mobil Spectrom. 2018 Aug 9;21(3):65–69. doi: 10.1007/s12127-018-0237-z

Figure 1.

Figure 1.

Lysine modified via propionylation (green) and acrolein (orange) illustrate isobaric PTMs (top). Elec-trophilic density maps show the impact each PTM has on amino acid charge-state dynamics (bottom).