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Figure 6.
Fig. 6. A hypothetical model describing transitions of
ClpA subunits in solution to form a spiral in crystal in the
presence of ADP and to assemble into a planar hexamer in
solution in the presence of ATP. ClpA subunits are postulated to
undergo an open and a closed conformation by rotating D2 with
respect to D1 via the hinge between two domains.
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