Distinct static and dynamic interactions control ATPase-peptidase communication in a AAA+ protease.

Abstract excerpt

In the ClpXP proteolytic machine, ClpX uses the energy of ATP hydrolysis to unfold protein substrates and translocate them through a central pore and into the degradation chamber of ClpP. Here, we demonstrate a bipartite system of ClpX-ClpP interactions that serves multiple functional roles. High-affinity contacts between six loops near the periphery of the hexameric ClpX ring and a ClpP ring establish correct...

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