[1] Tokyo Metropolitan Univ, 1-1 Minami Ohsawa, Hachioji, Tokyo 1920397, Japan
[2] CREST Japan Sci & Technol Agcy JST, Tokyo, Japan
[3] Inst Stat Math, 10-3 Midori Cho, Tachikawa, Tokyo 1908562, Japan
[4] RIKEN Quantitat Biol Ctr QBiC, Lab Biomol Struct & Dynam, Tsurumi Ku, 1-7-22 Suehiro Cho, Yokohama, Kanagawa 2300045, Japan
[5] Goethe Univ Frankfurt, Inst Biophys Chem, Max von Laue Str 9, D-60438 Frankfurt, Germany
[6] Goethe Univ Frankfurt, Ctr Biomol Magnet Resonance, Max von Laue Str 9, D-60438 Frankfurt, Germany
[7] ETH, Lab Phys Chem, Vladimir Prelog Weg 2, CH-8093 Zurich, Switzerland