We describe a method for the characterization of proton-driven membrane transporters in membrane vesicle preparations produced by heterologous expression in E. coli and lysis of cells using a French press.
Ariyaratne, M., Ge, L., Morris, P. F. Characterization of Membrane Transporters by Heterologous Expression in E. coli and Production of Membrane Vesicles. J. Vis. Exp. (154), e60009, doi:10.3791/60009 (2019).