Fig. 7: Type III ATP synthase tetramer interacts via specific protein and lipid-mediated interfaces. | Nature Communications

Fig. 7: Type III ATP synthase tetramer interacts via specific protein and lipid-mediated interfaces.

From: Type III ATP synthase is a symmetry-deviated dimer that induces membrane curvature through tetramerization

Fig. 7

a Luminal view of the tetramer. The N-terminal four-helix bundle of subunit-a (dark green) positions subunit-i/j and ATPTT6 for tetramer interactions. Boxed region and arrow indicate region and view direction shown in close-up view in b, c. b ATPTT6 subunits in the two dimers form electrostatic interactions. c Subunits-i/j in the interface form polar interactions. d Subunits i/j and ATPTT5 interact via bound membrane lipids in the matrix leaflet (black dashed lines) and luminal leaflet (gray dashed lines). Unmodeled lipid density is shown in transparent light brown color.

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