Skip to main content
. Author manuscript; available in PMC: 2013 Feb 15.
Published in final edited form as: J Am Soc Mass Spectrom. 2011 Dec 1;23(2):201–212. doi: 10.1007/s13361-011-0288-4

Figure 5.

Figure 5

(a) CID on the LTQ-Orbitrap of the crosslinked homodimer synthetic peptide (Ac-QIGKGVAR) results in the same two major cleavage events observed in MALDI at the intrinsic positive charges. (b) MS3 of the fragment without an intrinsic positive charge produces a robust series of b- and y-ions for peptide identification