Expanding the LuxR-type receptor functional repertoire: Protein-protein interactions in quorum sensing regulation
Fig 5
Structural comparison of LuxR-type context-dependent regulators.
(A) Cartoon representation of a PqsE monomer (purple; PDB ID: 7KGW [28]) rotated 90° on its axis and colored by rainbow from the N-terminus to the C-terminus. Highlighted are conserved C-terminal alpha helices, α5–α9, that are unique among this class of enzymes. (B) Cartoon representation of BlsA (blue; PDB ID: 6W6Z [105]) in the ground state, rotated by 90° on its axis and colored by rainbow from the N-terminus to the C-terminus. Highlighted is the secondary structure of BlsA, which is notably different compared to PqsE. All structure images were generated using ChimeraX.