Crystal Structures of the Choline/Acetylcholine Substrate-binding Protein ChoX from Sinorhizobium meliloti in the Liganded and Unliganded-Closed States

Christine Oswald, Sander H. J. Smits, Marina Hoing, Linda Sohn-Bosser, Laurence Dupont, Daniel Le Rudulier, Lutz Schmitt and Erhard Bremer

The Journal of Biological Chemistry 283 ( 47 ): 32848 - 32859 , 2008