title: Quantification of cation-pi interactions in protein-ligand complexes: crystal-structure analysis of Factor Xa bound to a quaternary ammonium ion ligand.
authors.affiliation: Laboratorium für Organische Chemie, ETH Hönggerberg, HCI, 8093 Zürich, Switzerland.
authors.forename: Kaspar
authors.initials: K
authors.lastname: Schärer
authors.forename: Martin
authors.initials: M
authors.lastname: Morgenthaler
authors.forename: Ralph
authors.initials: R
authors.lastname: Paulini
authors.forename: Ulrike
authors.initials: U
authors.lastname: Obst-Sander
authors.forename: David W
authors.initials: DW
authors.lastname: Banner
authors.forename: Daniel
authors.initials: D
authors.lastname: Schlatter
authors.forename: Jörg
authors.initials: J
authors.lastname: Benz
authors.forename: Martine
authors.initials: M
authors.lastname: Stihle
authors.forename: François
authors.initials: F
authors.lastname: Diederich
mesh_terms: D001665:Binding Sites; D002412:Cations / Q000737:chemistry; D003198:Computer Simulation; D018360:Crystallography, X-Ray; D004791:Enzyme Inhibitors / Q000138:chemical synthesis / Q000737:chemistry; D015951:Factor Xa / Q000737:chemistry* / Q000378:metabolism; D008024:Ligands; D046911:Macromolecular Substances / Q000737:chemistry; D008954:Models, Biological; D008956:Models, Chemical; D008958:Models, Molecular; D015394:Molecular Structure; D000644:Quaternary Ammonium Compounds / Q000737:chemistry*; D013237:Stereoisomerism; D013917:Thrombin / Q000737:chemistry
chemical_list: D002412:Cations; D004791:Enzyme Inhibitors; D008024:Ligands; D046911:Macromolecular Substances; D000644:Quaternary Ammonium Compounds; D013917:Thrombin; D015951:Factor Xa