Department of Microbial Physiology, University of Groningen, Groningen, The Netherlands, Groningen Bioinformatics Centre, University of Groningen, Groningen, The Netherlands.|Department of Microbial Physiology, University of Groningen, Groningen, The Netherlands, Groningen Bioinformatics Centre, University of Groningen, Groningen, The Netherlands.|Skaggs School of Pharmacy and Pharmaceutical Sciences and Departments of Pharmacology, Chemistry and Biochemistry, University of California, San Diego, La Jolla, California, United States of America.|Skaggs School of Pharmacy and Pharmaceutical Sciences and Departments of Pharmacology, Chemistry and Biochemistry, University of California, San Diego, La Jolla, California, United States of America.|Skaggs School of Pharmacy and Pharmaceutical Sciences and Departments of Pharmacology, Chemistry and Biochemistry, University of California, San Diego, La Jolla, California, United States of America.|Department of Microbial Physiology, University of Groningen, Groningen, The Netherlands, Manchester Institute of Biotechnology, Faculty of Life Sciences, University of Manchester, Manchester, United Kingdom.|Groningen Bioinformatics Centre, University of Groningen, Groningen, The Netherlands, Manchester Institute of Biotechnology, Faculty of Life Sciences, University of Manchester, Manchester, United Kingdom.