Variable stoichiometry of proton" lactose symport in Escherichia coli cells


in which A 0 and A i are the external and internal solute concentration; m the charge of the solute; n the number of protons symported and Z a factor which converts pH-units into millivolts (Z equals 60 at room temperature). A steady-state level of solute accumulation will be reached when this driving force equals zero. The validity of Eqn. (1) has been… (More)


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