1. Interuniversity Institute of Bioinformatics in Brussels , VUB/ULB, Brussels 1050, Belgium
2. Structural Biology Brussels, Vrije Universiteit Brussel , Brussels 1050, Belgium
3. Helmholtz Munich, Molecular Targets and Therapeutics Center, Institute of Structural Biology , 85764 Neuherberg , Germany
4. Technical University of Munich, TUM School of Natural Sciences, Department of Bioscience, Bavarian NMR Center , 85747 Garching , Germany