PPAR coactivator 1 ERR ligand 1 is an ERR protein ligand, whose expression induces a high-energy expenditure and antagonizes obesity

Departments of *Molecular Medical Science and §Molecular Behavioral Biology, Osaka Bioscience Institute, Osaka 565-0874, Japan; †Graduate School of Biostudies, Kyoto University, Kyoto 606-8501, Japan; ‡Core Research for Evolutional Science and Technology, Japan Science and Technology Corporation, ¶Department of Molecular Biology and Medicine, Research Center for Advanced Science and Technology, University of Tokyo, Tokyo 153-8904, Japan; Research Project for Obesity and Lipid Metabolism Regulation, Biooriented Research Advancement Institution, Tokyo 105-0001, Japan; **Laboratory of Nutrition Chemistry, Graduate School of Agriculture, Kyoto University, Kyoto 606-8502, Japan; ††Department of Environmental Health, Nara Women’s University, Nara 630-8506, Japan; and ‡‡Division of Clinical Nutrition, National Institute of Health and Nutrition, Tokyo 162-8636, Japan