Figure 4

Rotation view of the superimposed models using the PDBe Fold program. The superimposed models were rotated at an angle of 90° on the horizontal axis and represented with the Jmol viewer (Yellowish-green, the crystal structure of E. coli PmrD: 4HN7; Blue, the NMR structure of E. coli PmrD: 2JSO; Sky-blue, the NMR structure of KP-PmrD: 2RQX; Yellow, the crystal structure of T. kodakaraensis HypC: 2Z1C; Wine, the crystal structure of excretory-secretory protein 2: 3NSW).