1. Contribution from the Service de Bioénergétique, DBJC, CNRS URA 2096, CEA Saclay, 91191 Gif-sur-Yvette, France, Instituto de Biología Molecular y Celular de Rosario (IBR), Universidad Nacional de Rosario and CONICET, Suipacha 531, S20002LRK Rosario, Argentina, Institute for Oral Science, Matsumoto Dental University, Shiojiri 399-0781, Japan, Department of Chemistry, School of Medicine, Juntendo University, 1-1 Hiragagakuendai, Chiba 2701695, Japan