1. Department of Medical Biochemistry, Kurume University School of Medicine, 67 Asahi-machi,
Kurume 830-0011, Japan
2. Department of Biochemistry and
Molecular Biology, The University of Chicago, 929 East 57th Street, Chicago, Illinois 60637, United States
3. BioCARS, Center for Advanced Radiation
Sources, The University of Chicago, Chicago,
Illinois 60637, United States