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. 2013 Mar 27;8(3):e59428. doi: 10.1371/journal.pone.0059428

Figure 3. Mutation of H231 and D232 residues in the HD-GYP domain of Xoc RpfG disrupts the PDE activity and regulatory function.

Figure 3

(A) Purified RpfGAA-GYP completely lost its PDE activity detected by colorimetric assays. (B–D) RpfGAA-GYP lost the ability to restore EPS production (B), biofilm formation (C) and virulence to rice (D) of ΔrpfG to the wild-type level. WT: wild-type, EV: empty vector.