1. Department of Structural Molecular ScienceSOKENDAI (The Graduate University for Advanced Studies) Okazaki Aichi 444‐8585 Japan
2. Exploratory Research Center on Life and Living Systems (ExCELLS)National Institutes of Natural Sciences Okazaki Aichi 444‐8787 Japan
3. Institute for Molecular Science (IMS)National Institutes of Natural Sciences Okazaki Aichi 444‐8585 Japan