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. 2010 Dec 10;10(3):M110.000513. doi: 10.1074/mcp.M110.000513

Fig. 3.

Fig. 3.

Quantitative analysis of Cys109 modifications in recombinant NDPK A and mutant (C4S) form. A, Wild-type NDPK A and its C4S mutant were treated with various concentrations of hydrogen peroxide and separated on 12% SDS-PAGE. Mutant C4S could not form intradisulfide bonds. B, Precursor mass (C) of peptide 106GDFCIQVGR114 containing mass shift +64 at Cys109 in MS chromatogram was extracted with a 0.2 Da windows and only show that Cys109 + 64 exist in intradisulfide containing line (b, c). D, Integrated chromatographic area of peptide 106GDFCIQVGR114 containing mass shift +64 at Cys109 was summarized.