Fig. 1 (IMAGE)
Caption
The inhibitor-binding site of the wild-type MexB pump. (a) The crystal structure of the inhibitor ABI-PP bound to the MexB trimer. Three MexB monomers are shown in green, blue, and red, representing the access, binding, and extrusion monomer, respectively. ABI-PP is shown as a yellow space-filling model. (b) A close-up view of the inhibitor binding site. The substrate translocation pathway is shown as a solid gray surface. The proximal and distal binding pockets are indicated in green and blue circles, respectively. The inhibitor binding pit is shown as a red surface. The ABI-PP molecule is represented as a yellow stick model. (c) A detailed view of the inhibitor-binding site. Carbon atoms of ABI-PP are indicated in yellow while amino acid residues are indicated in green. The classification of these amino acids is shown on the right side of the panel.
Credit
2022 Yamasaki et al., Spatial Characteristics of the Efflux Pump MexB Determine Inhibitor Binding, Antimicrobial Agents and Chemotherapy
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License
CC BY