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. Author manuscript; available in PMC: 2008 Aug 21.
Published in final edited form as: Anal Chem. 2007 Jan 24;79(5):2067–2077. doi: 10.1021/ac061946f

Figure 3.

Figure 3

ESI-MS/MS spectra of the [M - 5H]5− complex containing duplex d(GCGGGGATGGGGCG)/(CGCCCCATCCCCGC) and actinomycin by (A) CAD (0.86 V, 30 ms) (73%); (B) IRMPD (50 W, 1.5 ms) (6%); and (C) IRMPD (12.3 W, 15 ms) (4%) with the portion of uninformative base loss ions given in parenthesis.. Fragment labels include a subscript G or C if they pertain specifically to the G-rich or C-rich strand of the duplex, respectively. The magnification scale applies to all spectra within this figure. Precursor ion is denoted with a * symbol.