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. Author manuscript; available in PMC: 2009 May 1.
Published in final edited form as: Anal Chem. 2008 Apr 9;80(9):3492–3497. doi: 10.1021/ac7022734

Figure 1.

Figure 1

MS/MS spectra of the tryptic peptide HGTVVLTALGGILK from myoglobin: (a) transmission mode ETD of the triply charged peptide with azobenzene radical anions; (b) beam type CID of the triply charged peptide (CE = 42 eV).