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. 2009 Nov 23;4(11):e7949. doi: 10.1371/journal.pone.0007949

Figure 4. Glutathionylation of Nm23-H1 abolishes NDP kinase enzymatic activity.

Figure 4

(A) Recombinant wild type Nm23-H1 was treated with 5.0 mM glutathione for 30 min at 37°C. Each sample was separated on 12% SDS-PAGE under non-reducing condition and detected with silver staining. (B) NDP kinase activity of each sample was measured as described in Experimental procedure. Glutathionylated fraction of sample lost their NDP kinase activity.