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. 2017 Apr 26;7(4):160327. doi: 10.1098/rsob.160327

Figure 8.

Figure 8.

OiMacroD de-MARylation activity. (a) Extracted ion chromatograms of the monoisotopic mass of the ADP-ribose [M + H]+ adduct (560 m/z) for the ADP de-ribosylation reactions of OiMacroD WT and its mutants. (b) MS analysis of ADPr standard (i) and hPARP1 E988Q-OiMacroD WT reaction (ii). The 560.0 m/z corresponds to ADPr. (c) Ion abundance of mass 560.0 for OiMacroD WT and mutants in de-MARylation reactions. Error bars represent the standard deviation of three replicate runs. hPARP1 E988Q represents the mono-ADP-ribosylated protein, whereas untreated hPARP1 E988Q means the unmodified protein. The blank is the reaction buffer used to produce MARylated hPARP1 E988Q. OiMacroD WT and its mutants are designed as WT, N30A, G37V and D40A, respectively.