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. 2021 May 21;22(11):5412. doi: 10.3390/ijms22115412

Figure 10.

Figure 10

(a) PthXo1 protein in complex with DNA (PDB id 3UGM). The structure comprises tandem repeats of a helix–loop–helix motif. The protein is colored from N-terminus (blue) to C-terminus (red). DNA specific recognition and binding occurs through the hypervariable, in sequence, loop of the motif (right). (b) The AvrRps4 mature structure is a coiled coil with electrostatically diverse sides (PDB id 4B6X). Red and blue colors on the surface denote negative and positive charge, respectively. (c) Each of the AvrPto and AvrPtoB proteins (magenta) interact with the Pto host kinase (green). Left: schematic diagram of the AvrPto protein and close-up of the AvrPto–Pto interaction (PDB id 2QKW). Right: schematic diagram of the AvrPtoB protein and close-up of the AvrPtoB–Pto interaction (PDB id 3HGK).