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. Author manuscript; available in PMC: 2014 Oct 6.
Published in final edited form as: J Am Soc Mass Spectrom. 2008 Apr 26;19(7):903–913. doi: 10.1016/j.jasms.2008.04.026

Figure 5.

Figure 5

MS/MS of the serum amyloid P component (SAP) pentamer. (a) CID of the 25+ pentamer at 2500 eV produces monomer and tetramer fragments, with the monomer retaining approximately 40% of the charge. (b) SID of the same precursor ion at 1750 eV produces monomers and dimers with 1/5 and 2/5 of the precursor charge, respectively.