Abstract
Despite recent progresses in the use of eukaryotic expression system, production of membrane proteins for structural studies still relies on microbial expression systems. In this review, we provide protocols to achieve high level expression of membrane proteins in Escherichia coli, especially using the T7 RNA polymerase based expression system. From the design of the construct, the choice of the appropriate vector-host combination, the assessment of the bacterial fitness, to the selection of bacterial mutant adapted to the production of the target membrane protein, the chapter covers all necessary methods for a rapid optimization of a specific target membrane protein. In addition, we provide a protocol for membrane protein solubilization based on our recent analysis of the Protein Data Bank.
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