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. Author manuscript; available in PMC: 2018 Jul 1.
Published in final edited form as: J Am Soc Mass Spectrom. 2017 Mar 27;28(7):1324–1332. doi: 10.1007/s13361-017-1600-8

Figure 5.

Figure 5

(a) The average percent of total ion current accounted for by the oxidized precursor ion and neutral losses of CO2 and either NH3 or OH from the oxidized precursor ion are shown for z = −2 PSMs from C16H10•+ (blue) and SF5•+ (orange) nLC-MS/MS analyses. (b) The average percent of total ion current is shown for side chain neutral losses from the oxidized precursor ion for z = −2 PSMs. In order for a spectrum to be searched for a given side chain loss, the PSM sequence had to contain that residue. Note, amino acids are organized by their side chain properties: non-polar (yellow), polar (green), acidic (red), and basic (blue).