Abstract:Sodium dodecylsulfate (SDS) is a well-known protein denaturing agent. A less known property of this detergent is that it can activate or inactivate some enzymes at sub-denaturing concentrations. In this work we explore the effect of SDS at sub-denaturing concentrations on the ATPase activity of a hyper-thermophilic and a mesophilic Cu(I) ATPase reconstituted in mixed micelles of phospholipids and a non-denaturing detergent. We first develop an iterative procedure to evaluate the partition of SDS between the aq… Show more
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