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Updated: Oct 19, 2025

Author Spotlight: The Production of Recombinant Proteins
Published on: June 30, 2023
Preparation of Everted Membrane Vesicles from Escherichia coli Cells
1Institute of Biotechnology, PO Box 65 (Viikinkaari 1) FIN-00014 University of Helsinki, Helsinki, Finland.
Abstract:
The protocol for obtaining electrically sealed membrane vesicles from E. coli cells is presented. Proton pumps such as Complex I, quinol oxidase, and ATPase are active in the obtained vesicles. Quality of the preparation was tested by monitoring the electric potential generated by these pumps.
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