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We have determined the crystal structure of the proteolytic component of the caseinolytic Clp protease (ClpP) from E. coli at 2.3 A resolution using an ab initio phasing procedure that exploits the internal 14-fold symmetry of the oligomer. The structure of a ClpP monomer has a distinct fold that defines a fifth structural family of serine proteases but a(More)
Large ATP-dependent proteolytic complexes carry out the majority of intracellular proteolysis. To begin to understand the function of these proteases at a structural level, we have combined the information from a number of biophysical techniques such as electron microscopy (EM), small-angle scattering, and x-ray crystallography. In this study, we exploited(More)
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