Article
Delineating electrogenic reactions during lactose/H+ symport.
Biochemistry - 27 Jul 2010
Garcia-Celma Juan J, Ploch Julian, Smirnova Irina, Kaback H Ronald, Fendler Klaus
Abstract excerpt
Electrogenic reactions accompanying downhill lactose/H(+) symport catalyzed by the lactose permease of Escherichia coli (LacY) have been assessed using solid-supported membrane-based electrophysiology with improved time resolution. Rates of charge translocation generated by purified LacY reconstituted into proteoliposomes were analyzed over a pH range from 5.2 to 8.5, which allows characterization of two...
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