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Schiefner A, Breed J, Bösser L, Kneip S, Gade J, Holtmann G, Diederichs K, Welte W, Bremer E. Cation-π Interactions as Determinants for Binding of the Compatible Solutes Glycine Betaine and Proline Betaine by the Periplasmic Ligand-binding Protein ProX from Escherichia coli. Journal of Biological Chemistry. 2004 Feb;279(7):5588–96. doi: 10.1074/jbc.m309771200. |