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. Author manuscript; available in PMC: 2013 Apr 28.
Published in final edited form as: Chem Commun (Camb). 2012 Mar 20;48(34):4091–4093. doi: 10.1039/c2cc17868k

Fig. 2.

Fig. 2

ESI-TOF MS spectra showing the labeling of C165S AhpC–SOH by 2 (adduct peak: 20 752 amu) (A); biotinylation of AhpC–2 adduct via click reaction (adduct peak: 21 549 amu) (B); and removal of the biotin moiety after NH2OH treatment (adduct peak: 20 697 amu) (C).