Institution: | Keck Laboratories 138-78, California Institute of Technology, Pasadena, CA 91125, USA; Department of Biochemistry, University of Southampton, Southampton, UK; Unite de Regulation de l'Expression Genetique, Department de Biochimie et Genetique Moleculaire, Institut Pasteur, Paris, France; The Wellcome Trust, London, UK; Gray Freshwater Institute, Navarre, MN, USA; Department of Microbial Physiology, Biological Laboratory, Vrije Universiteit, Amsterdam, the Netherlands |