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. Author manuscript; available in PMC: 2011 Sep 1.
Published in final edited form as: Anal Chem. 2010 Sep 1;82(17):7218–7226. doi: 10.1021/ac100989q

Figure 4.

Figure 4

MS/MS spectra of Mss10 by (a) EPD of 3-• (one UV pulse, 5mJ; then 8% normalized collision energy, 30 ms), and (b) CID 3- (8% normalized collision energy, 30 ms). Precursor ions are noted with a star. Bolded and italicized product ions retain the modification. A summary of the product ions formed from EPD and CID for the methylated single strand 10-mer (c), in which the slash marks represent cleavages at that location. A crescent above the slash mark represents a product containing the methyl modification. .