[1] Helmholtz Zentrum Munchen, Inst Struct Biol, Ingolstadter Landstr 1, D-85764 Neuherberg, Germany
[2] Tech Univ Munich, Bavarian NMR Ctr, Garching, Germany
[3] Tech Univ Munich, Ctr Integrated Prot Sci Munich, Dept Chem, Garching, Germany
[4] Univ Grenoble Alpes, IBS, CNRS, CEA, Grenoble, France