All cells have a lipid membrane that encircles their internal components—forming a protective barrier to control what gets in and what stays out. The proteins embedded in these membranes are essential for life; they help facilitate nutrient transport, energy conversion and storage, and cellular communication. They are also important in human disease, and represent around 60 percent of approved drug targets. In order to study these membrane proteins outside the complexity of the cell, researchers must use detergent to strip away the membrane and extract them. However, determining the best detergent for each protein can involve extensive trial and error. And, removing a protein from its natural environment risks destabilizing the folded structure and disrupting function.
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Source: Phys.org