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. Author manuscript; available in PMC: 2013 Jul 18.
Published in final edited form as: J Am Chem Soc. 2012 Jul 6;134(28):11412–11414. doi: 10.1021/ja304778j

FIGURE 3.

FIGURE 3

Activation of electrostatic complexes containing only protonated arginine residues; (a) CID of [Ac-RARARAA+(sulfo-MBS-Na)+3H]2+; (b) CID of [Ac-YGGFLR+(BS3-2Na)+H]−. (Lightning bolt indicates ion subjected to activation.)