PMID:2649491
| Citation |
Bossemeyer, D, Schlösser, A and Bakker, EP (1989) Specific cesium transport via the Escherichia coli Kup (TrkD) K+ uptake system. J. Bacteriol. 171:2219-21 |
|---|---|
| Abstract |
Escherichia coli cells which contain a functional Kup (formerly TrkD) system took up Cs+ with a moderate rate and affinity. Kup is a separate K+ uptake system with relatively little discrimination in the transport of the cations K+, Rb+, and Cs+. Regardless of the presence or absence of Kup, K+-replete cells took up Cs+ primarily by a very low affinity mode, proportional to the ratio of the Cs+ and K+ concentrations in the medium. |
| Links | |
| Keywords |
Binding, Competitive; Biological Transport; Cesium/metabolism; DNA Mutational Analysis; Escherichia coli/metabolism; Genes, Bacterial; Kinetics; Potassium/metabolism; Recombinant Proteins/metabolism; Substrate Specificity |
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