1. Protein Chemistry Laboratory, Department of Molecular Biology, University of Aarhus, Science Park, Gustav Wieds Vej 10, DK 8000 Aarhus C, Denmark, Institute of Physiology and Biophysics, Department of Biophysics, University of Aarhus, Ole Worms Alle 1185, DK 8000 Aarhus C, Denmark, Institute of Organic Chemistry and Center of Molecular Biosciences, University of Innsbruck, Innrain 52A, Innsbruck A-6020, Austria, and Department of Clinical Biochemistry, AS Aarhus University Hospital, Nørrebrogade 44, DK...