1. Laboratory of Biological Chemistry, Department of Chemistry, Faculty of Science, Hokkaido University, Sapporo 060-0810, Japan
2. Department of Chemistry, Kurume University School of Medicine, Kurume 830-0011, Japan
3. Biology Department, De La Salle University, 2401 Taft Avenue, Manila 0922, Philippines
4. Département de Biochimie et Médicine Moléculaire, Université de Montréal, Montréal, QC H3C 3J7, Canada