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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 2.

FIGURE 2

Charge inversion reaction showing reactivity of arginine with a crosslinker, BS3, using an RF-DC isolation, resulting in (a) the mass-selected electrostatic complex. (b) CID of this complex renders one and two covalent bond formations. (Lightning bolt indicates ion subjected to activation.)