National Center for
5A1J: Periplasmic Binding Protein Ceue In Complex With Ferric 4-licam
Angew. Chem. Int. Ed. Engl. (2013) 52 p.4595-4598
Iron-bound structure: The ferric complex of a tetradentate siderophore mimic was synthesized and co-crystallized with the periplasmic binding protein CeuE of Campylobacter jejuni. In addition to electrostatic and hydrogen-bonding interactions between the binding pocket and the substrate, the structure showed direct coordination of two amino acid side chains to the Fe(III) center (orange, see figure).