Institute for Protein Research, Osaka University, Osaka, Japan.|Faculty of Pharmaceutical Sciences, Tokushima Bunri University, Tokushima, Japan.|Institute of Advanced Energy, Kyoto University, Kyoto, Japan.|Institute for Protein Research, Osaka University, Osaka, Japan.|Institute of Biophysical Chemistry, Goethe-University, Frankfurt am Main, Germany.|College of Engineering Science, Yokohama National University, Yokohama, Tokyo, Japan.|Institute for Protein Research, Osaka University, Osaka, Japan.