Theoretical and Experimental Basis for a Specific Countertransport System in Membranes

Science  23 Apr 1971:
Vol. 172, Issue 3981, pp. 377-379
DOI: 10.1126/science.172.3981.377


A sodium ion carrier transport system contains the antibiotic monensin in the membrane and uses a pH gradient as an energy source. The experimental results are in accord with theoretical predictions based on a mechanism which is understood on a molecular level.