he Effect of Phosphorylation on the Electron Capture Dissociation of Peptide Ions

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Creese and Cooper

Page 18

Figure 6.

(Top) ECD mass spectra (3 scans) of doubly-charged ions of the α-S1-casein tryptic peptide
YKVPQLEIVPNSAEER obtained at ECD cathode potentials (a) -3.34 V (standard) and (b)
-11.84 V. (Bottom) ECD mass spectra (5 scans) of doubly-charged ions of
YKVPQLEIVPN_pSAEER obtained at cathode potentials of (c) -3.34 V (standard) and (d)
-12.34 V.

Published as: JAm SocMass Spectrom. 2008 September ; 19(9): 1263-1274.