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. Author manuscript; available in PMC: 2009 May 6.
Published in final edited form as: Int J Mass Spectrom. 2008 Oct 1;276(2-3):149–152. doi: 10.1016/j.ijms.2008.05.001

Fig. 2.

Fig. 2

Ion attachment of ReO3− and ReO4− anions to a triply protonated peptide following a 100ms reaction (panels A and B, respectively). Panels C and D display product ions spectra following collisional activation of the rhenate and perrhenate attachment products. Peptide backbone bonds are broken, with no detectable anion loss following collisional activation of the rhenate attachment product (panel C).