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. Author manuscript; available in PMC: 2019 Sep 1.
Published in final edited form as: J Am Soc Mass Spectrom. 2018 Apr 5;29(9):1760–1767. doi: 10.1007/s13361-018-1934-x

Figure 4.

Figure 4

(a) UVPD at 213 nm of naphthalene thiol modified [RQSVQLHsPQSLPR]3+ leads to C-S bond dissociation. (b) UVPD at 213 nm of benzyl mercaptan modified [RQSVQLHsPQSLPR]2+ and (c) [RKRRQtSM]2+ yields loss C-S bond cleavage and d-ion formation. (d) 266 nm activation of BM modified [RQSVQLHsPQSLPR]2+.